2. Stud welding allows metal fasteners such as weld studs, weld pins and tapped studs, to be welded onto another metal object using an electric arc at lightning speed. A CD stud can be shot to the attachment side without reverse-side marking, unlike traditional fabrication methods that require drilling a hole to insert a bolt for an attachment point. Browse Capacitor Discharge (CD) Weld Studs in the Midwest Fasteners, Inc. They offer no-hole connections and are the link between the carrier material and the components to be fastened. The best aluminum studs have a built in ignition tip that burns away before the weld is performed. 9 Removable Backing Materials for Welding 30 3. CD Weld Studs. The materials we use are suitable for important relevant EN and ISO industry standards; for example, our aluminium studs are EN 573-3 compliant and our stainless steel CD studs comply to. Finally, pull the trigger , making sure there is solid contact between it and the base metal. The ceramic ferrule also protects the weld from exposure to oxygen in the air. Available for rent or purchase, we can custom-designed systems for a variety of end-use applications including fixed manual and automatic feed systems for high. For every fastening task there is a matching stud geometry. Learn More. 3/8-16 Arc Stud, Reduced Base, Mild Steel with R Ferrules from $25. We specifically carry this machine for our customers that are welding 1/4" aluminum studs. 8. 7-Month Welder Foundation (21 credits) 3-Month Welder Fitter (9 credits) Weld Level 1, 2, 3 Apprenticeship and Specialty Metals Endorsement. Today, many applications of arc stud welding and sheet metal are used across the manufacturing world. Nelson ® Studs & Equipment. Sunbelt FB aluminum studs, available in diameters from 1/4" to 1/2", have equal weld base and thread diameters. Aluminum Arc Full Base (FB) Weld Pins. • TH71x – Small front end for hard-to-reach spots e. Shielded metal arc welding (SMAW) and tungsten inert gas (TIG) welding are widely used with different electrodes or filler wires to find out the optimal outcome for dissimilar material joining [8]. Metal arc welding is particularly suitable for welding heavy sections, and can be used for welding thicknesses up to 2-1/2 inch (63 mm thick). Note that molten metal, when exposed to air (which contains 79 percent nitrogen, 20 percent oxygen and 1 percent other elements) will naturally absorb nitrogen and oxygen. 10-32 CD Weld Stud, Flanged, Stainless Steel from $10. MILD STEEL. The Process. 7 Stud Welding 27 2. ARC is generally used for stud diameters of 1/4" and above and when welding to thicker base materials or in structural applications. Drawn arc stud welding can be used with dissimilar metals. There are several types of drawn arc welds. Nelson (Made in Germany)Machine: ALPHA 850Drawn Arc Stud WeldingComex International FZCP. ALUMINUM: C: S=304SS SS=316SS: A: Stud Welding expertise since 1980. Sunbelt aluminum FB (Full Base) welding pins are unthreaded fasteners. 26. Many favour this process due to its speed, reliability, and the powerful. 06 seconds. CD Weld Studs. Stud welding by lifting the stud to a predetermined height above the base metal. Manufacturing Commercial and Industrial Insulation fasteners including Weld Pins, Insulation Hangers (Glue-applied or Self-Stick), Self-Locking Washers plus all related accessories. 1/4-20 x 3" Arc Stud Full Thread 316 Stainless Steel with F Ferrules $163. Drawn-arc stud welding is an extremely efficient method of attaching fasteners primarily to mild steel and stainless steel by utilizing a constant-current DC power supply, typically a 3-phase transformer-rectifier, equipped with integral controls to operate a special drawn-arc stud welding gun. Arc를 발생시켜서 용접을 시행하는 점에 있어서는 일반적인 SMAW와 유사한 점이 있으나 연속적인 용접 Bead를 형성하지 않는 차이점이 있다. Cr 17. The collar creates an offset than can be used for mounting of mating components or for the creation of a stand-off. Flanged CD weld studs are designed using a tip or projection on the weld end. Successor of LM90. SUNBELT FB aluminum studs, available in diameters from 1/4” to 1/2”, have equal weld baseArc stud welding is generally used to weld larger-diameter studs to thick base metals. 55,000 psi (min. Quantity: Price Each: $0. Our company is a Private Limited, which has settled its main head office at Pune, Maharashtra from where all the business related activities are keenly monitored by skilled professionals. Available with weld-base diameters from 5/16 inch through 1/2 inch; thread diameters as specified. The lengths are variable from 3/8″ to 60″ (for deformed bars). For full details of gas combinations refer to CSA Standard W48. Weld Stud diagrams, specifications and materials are provided for each model. The drawn arc stud welding process produces welds that provide a solid bond between a metal stud anchor and base metal—commonly a steel plate embedded in concrete or the top flange of a steel beam. If it is required to protect the weld pool from atmosphere, shielding gas should be used. The gun then forces the stud down into the molten. The base metal thickness should be at least 1/3 of the weld base diameter of the stud. Furniture manufacturers use it for metal household and office furniture, lawn furniture, shelving and racks. There are a wide range of spot weld stud and tab weld stud options, depending on the specific application. View drawn arc stud welding and headed weld studs applications, dimensions, standard & torque specifications How strong is a stud weld? Steel with a low carbon content that has a minimum tensile strength of 60,000 psi, a minimum yield strength of 50,000 psi, and an elongation in 2 inches of at least 20%. 1/4-20 CD Weld Stud, Flanged, Stainless Steel from $14. Elk Grove Village, IL 60007. However, with CD welding small diameter fasteners (1/4″ and under) are end welded to extremely thin gauge parent metal. Proweld Arc Gun Shaft Extension $43. The right arm of your SWS system. In accordance with the standard, ceramic ferrules must. A weld stud loads into a compatible stud welding gun, and the gun connects to a stud welder that delivers current to the. Overview of Stud Welding. Aluminum Non-Flanged Capacitor Discharge (CD) Studs. Stud welding uses conventional arc stud welding tools and a special welding gun adapter (which allows for control of high-purity shielding gases) to weld studs with diameters ranging between 3/16 and 3/4 inches. Drawn arc weld studs form strong, vibration-resistant welds that provide a tight seal against water. Bateman Soldaduras West Arco Limitada J. Some weld fastener options include weld nuts , weld studs, and weld pins. This edition has been reorganized extensively from the 1997 edition . 800-426-5667. The drawn arc. It is one of the many forms of welding that professionals in the manufacturing, construction, and engineering industries can use. Stud welding, also known as "drawn arc stud. The Process. Some common mistakes with Block 2:Automotive arc welding of steel. The arc then melts the workpiece and electrode into a molten pool to form a bond when cooled. Stored energy is discharged through special weld ”timing” tip and stud starts downward. Standard cable set is 8ft (3m). 092 0014 10. The CD process allows stud welding of dissimilar metals. Mild steel, stainless steel, and. ) Elongation. Weld Studs. 304 stainless steel. Length: Length is before weld. There are three common techniques of Arc stud welding:Why this fastening technique should be your welding method of choice. Nelson ® offers a full line of standard in-stock fasteners for quick shipment, as well as custom-designed fasteners to meet your specific needs. This catalog is designed to be a user-friendly source of information about the Nelson Stud Welding line of studs, anchors, pins, and the standard accessories used to weld them. In stud welding, there are 2 main processes Capacitive Discharge (CD) and drawn arc stud welding. 10 $86. 06 seconds. The most successful aluminum stud welding uses ceramic ferrules as well as the shielding gas. This generates a clean, aesthetically appealing look. 048″ (1. Drawn arc stud welding is a process by which a metal stud is joined to a metal workpiece by heating both parts with an arc. comNelson ® stud welding’s rich history began in 1939 with the U. ARC Weld Studs: Inch: ARC Tapped Pads: Inch: ARC Shoulder Studs: Inch: Rectangular ARC Weld Studs: Inch: ARC Cable Hangers: Inch: ARC Stacking Studs: Inch: Return to Top. CD (capacitor discharge) weld studs require lower levels of heat and less time to weld than drawn arc weld studs, which makes them suitable for use on sheet metal and other thin materials that would be marred by the drawn arc welding process. The drawn arc stud welding (DASW) procedure is usually qualified by visual examinations and practical destructive tests of the joint according to international standards. The presence of zinc and included zinc vapors in the weld can weaken the weld to the point of failure; however, the practice of stud welding on galvanized steel remains very common. 1/4-20 CD Weld Stud, Flanged, Aluminum from $7. The presence of zinc and included zinc vapors in the weld can weaken the weld to the point of failure; however, the practice of stud welding on galvanized steel remains very common. Types of Stud Welding Three major types of stud welding are equally as effective. Most of our studs are designed to be installed. ©2023 Monroe JHP Fasteners, Inc. 13 USD. Studs 5/8" (16mm) diameter and above will be approximately 3/16" (5mm) shorter after welding. Beckham Chrysler LLC R. - 3721 Northridge Drive NW, Suite 40 - Walker, Michigan 49544 Toll Free: 1-800-783-0910 - Phone: 616-784-7900 - Fax: 616-784-7901Studs & Accessories. Ships in 3 to 5 Days. Typical. Our complete catalog is available for online ordering. With drawn arc. Threaded CD Weld Studs Aluminum. 9 : Automotive spot weld testing. The operation depends upon the size, shape, and material of the stud and the composition and thickness of the metal parts. catalog including Standard Thread Arc Weld Studs,Full Thread Arc Weld Studs,Full Base Arc Weld Studs,Long Reduced Base Arc Weld Studs,Short Reduced Base Arc Weld Studs,No Thread Arc Weld Studs,Bent. Links: Spec Sheet Manual. sales@studwelderaccessories. $19. 00. Designed to work on high-strength steels, as well as steels as thin as 8mm (5/16 in. Using a “ferrule” to capture and retain the weld’s heat, the molten metal created by the process cools and. Home > Weld Fasteners > Arc Weld Fasteners > Full Thread Arc Weld Studs – Inch / Metric > 1/2-13 Full Thread Arc Weld Studs - Inch / Metric. I tried this method but the finishing was not good. The right choice of welding gun has a decisive influence on the welding process due to the required precision in the movement sequence. A weld stud can be end-joined to a metal work piece instantaneously for a high. The right arm of your SWS system. Gas Metal Arc Welding (MIG. Welding can be done with many processes such as arc, resistance, friction, and percussion. Small Split Bipod Nelson NS30/NS40 Foot $155. Drawn arc stud welding with ceramic ferrule is recommended for studs with diameter of more than 12 mm. 8. , sizes and shapes for a wide range of applications. Not only do drawn arc studs function as fastening systems for sheet metal fabrication, construction equipment manufacturing, and structural steel manufacturing, they are also used to build large-scale infrastructure with composite building. manual metal arc, has been left to the discretion ofthe deslgner-c) The allowable stresles in welda have been increased to bring them in line with thOle for parent meta) given in IS: 800-1962-. *Weld current should be checked by using a time current monitor. to 1 in. Image by: Stanley Engineered Fastening Drawn Arc Weld Studs. An arc weld process is generally used in those applications. Originally used in the shipbuilding industry, stud welding attaches all kinds of threaded, unthreaded and tapped fasteners to a base metal or substrate by heating both parts so they can bond. 5. PFS's CD weld studs range in diameter from 4-40 to 3/8, and are manufactured from AISI 1006-1020 low-carbon steel, 300 series stainless steel, copper alloy 260 and 268, and 1100, 5000, and 6061 series aluminum alloy. CD Weld Studs. 70 USD 3/8-16 Arc Stud Full Thread 316L Stainless Steel with Ferrules from $50. Uniformity and Repeatability - the stud welder precisely controls and monitors the amount of energy used to weld the fastener which produces consistently strong welds. Arc studs may be almost any shape and there are literally hundreds;. Weld Studs join a stud and another piece of metal together by heating both parts with an arc. It is a mechanized welding process Drawn Arc Stud Welding explained. Tesco Steel & Engineering is a leading Manufacturer & Supplier of Aluminium Bronze Weld Studs, Aluminium Bronze C61300 ARC Weld Studs, Aluminum Bronze Alloy C61400 Weld Studs, C63000 Aluminium Bronze CD Type Weld Stud, Alloy C64200 Weld Studs, Aluminium Bronze C63200 Weld Studs in Mumbai, India. The process has been used as an alternative metal-fastening method since the 1940s. Thread Size. Contact. With GTAW, DC- polarity results in more weld penetration. Stud sizes. Monroe-JHP Fasteners provides resistance welding fasteners in numerous thread sizes and dimensions for all your project needs. 10. Stud welders operate by fusing a fastener or custom-formed nut with a metal workpiece. Weld studs are cold formed or CNC machined metal parts that are meant to be stud welded to similar metals. AWS D10. 25 USD. com 32035 Creekside Drive, Cleveland, Ohio 44124 fax 216. This arc is the electrical current jumping across the gap between the electrode and the base metal. 800 Incoloy. ; Outside angle ferrule – Used for the opposite side of the inside angle ferrule. Summary. It is suitable for welding applications on thick materials that require. catalog including Flanged Capacitor Discharge (CD) Studs - Imperial,Flanged Capacitor Discharge (CD) Studs - Metric,Small Flanged Capacitor Discharge (CD) Studs,Non Flanged Cap. ), the X-BT System is ideal for use in. M6 x 25 Arc Stud with 18MM Knock Off, Full. Headed Concrete Anchor Studs (1/2″) Arc stud welding is a process by which a metal fastener is welded to a parent metal through a fusion weld. Typical Use: When minimum fillet dimensions are required at the weld base. The products of ASW can be utilized in various mechanical fields. Fixed, secure contact and load capacity over a number of years even at. - Flux core arc welding on plate. Arc Stud Welding permits strong, one-sided welds on base metals with thicknesses starting at 0. 00 USD. 4. Each of these applications requires the proper style stud and ferrule, so please specify your application when ordering. 9 Removable Backing Materials for Welding 30 3. 00 USDThe SureShotII is a lighweight rugged CD welder capable of welding cup head pins, weld pins, and CD studs up to 5/16" in diameter. Made in. Arc studs reduce in length when welded. 00 USD@article{osti_20014308, title = {Drawn arc stud welding: Crossing over from steel to aluminum}, author = {Ramasamy, S}, abstractNote = {In their quest to reduce vehicle weights, car manufacturers are exploring further use of aluminum, including more aluminum components in body construction. 847-228-1995 FAX. 8-32 CD Weld Stud, Flanged, Aluminum from $4. sales@studwelderaccessories. The conventional stud welding equipment can be used using drawn arc capacitor discharge technique. These unique fasteners feature durable threads with proven reliability, saving significant time and money over hand welding processes. AWS D9. AWS D10. View Volume Discounts. 00 USD. 4 Gas Metal Arc Welding (GMAW) 23 2. IWT S1 Extended Reach CD Gun $985. View item # 4084403, Flanged Aluminum Weld Stud, Thread Size 1/4-20, Length 1-1/2 inch, Flange 0. Sunbelt aluminum collar studs are partially threaded studs with a collar separating the weld base and thread. If you don't see the stud you need, give us a call at 800-426-5667. Each Stud comes with a Ferrule ceramic cap to reduce spatter and give the weld a finished look. Some types or styles of weld studs are used in the imperial size when. The terms “stud welding” and “shear stud” are commonly used in the process of attaching steel frames to composite floor constructions. Using aluminum alloys for CD weld studs for custom welds. Arc studs are typically loaded with an aluminium flux ball on the weld end which aids in the welding process. ‘Stud welding’ and ‘shear studs’ are terms often used in connection with steel frame and composite floor construction. Amongst other things, stud welding is used in bridge building (especially in composite structures), steel structures, shipbuilding, facade‐wall fabrication, vehicleMade in the USA. Length. Drawn arc (DA) stud welding is a type of arc welding where the operator uses a stud loaded onto a welding gun to weld a stud to a base metal. Capacitor Discharge (CD) Stud Welding is a semi-automatic arc welding process. Many features have been Arc stud welding methods allow you to quickly fasten almost any shape or size of metal. The Capacitor discharge method is for light gauge sheets. Note: Product availability is real-time basis and adjusted continuously. 3/8"-16. Nelson ® offers a complete line of portable and feed stud welding systems to meet even the most demanding of stud welding performance requirements. These studs are welded using a standard arc weld process. 4M:2006 Prepared by the American Welding Society (AWS) A5 Committee on Filler Metals and Allied Materials. Our team of stud welding experts has years of experience providing manufacturers and welders with several products to meet their welding needs. Posted in Arc Welding, CD Stud Welding, Stud Welding Supplies. 904. CD weld studs can be used with thin base metals and. Once the weld has cooled, the ring is broken away, leaving behind a smooth fillet at the stud's base. Weld them to the framing to help it adhere to the concrete and resist sheer forces. Our stud welding experts can see if we have it or find it for you. Sunbelt's Product Catalog, Operator's Manuals, Data Sheets and other materials related to the Stud Welding industry. Typical Use: Heat transfer pins. website completestudweld. 50 USD. To acquire a better understanding of. 1/4-20 Arc Stud, Full Thread, Mild Steel with Ferrules. Arc stud welding utilizes a DC power supply to create the arc, a stud welding tool, metal fasteners, and in some cases, ferrules. 1/2-13 Arc Stud Partial Thread Mild Steel with P Ferrules from $53. CD weld studs can be used with thin base metals and. 00 USD. Unthreaded studs are available in 6-20mm diameter with up to 100mm in length. It is a fast, simple, and accurate welding process which combines two identical or different metals. stud welding fastners wear abrasion stainless steel tuffstudds Tuff studs anchors rentals sheer connectors nelson keystone atlanta stud welding rentals capacitor dischaege arc. SUNBELT FB aluminum studs, available in diameters from 1/4” to 1/2”, have equal weld baseStud welding, also known as drawn arc stud welding, is a fastener-to-base metal or substrate joining procedure that uses an electric arc. The conventional process may be used to weld studs of 3/16 to 3/4 in. About. 47 USD. Grind a slight bevel on the unpainted end of the tungsten. Contact us for more information regarding our high-end weld screws and studs or call us at 800-783-0910, we. have been included. They are available in diameters from 1/4” through 1/2”. Aluminum Arc Full Base (FB) Weld Pins. 5 Flux Cored Arc Welding (FCAW) 25 2. Length Specifications: Lengths available from minimums shown in specifications. Sunbelt aluminum SB (Shoulder Base) welding studs are partially threaded studs with a base diameter greater than the thread diameters. The Welding Certificate Program. An electric arc is created between the end of the stud and the surface of the workpiece, melting both parts. 048″ (1. A capacitor discharge (CD) Non-Flanged Weld Stud is an ideal choice for those applications that will not allow use of a flanged weld stud due to potential interference between the flange and the mated component. sales@studwelderaccessories. Thread Size. Some weld fastener options include weld nuts , weld studs, and weld pins. Proweld LD Arc Gun Front Cap $34. Arc stud welding is a process by which a metal fastener is welded to a parent metal through a fusion weld. Stud welding is a general term used to describe joining a metal stud or similar part to a metal work-piece. 048″ (1. Drawn arc stud welding - Auxiliary ceramic ferrule. aluminum” • CSA W186 “Welding of reinforcing bars” • CSA W55. Arc stud welding creates strong, one-sided welds on base metals as thin as 0. Perfect for drawn arc stud welding--weld fasteners to dissimilar parent metals efficiently through arc stud welding. Stud Welding of Aluminum - Drawn Arc Stud Welding and Capacitor Discharge Stud Welding. to a workpiece instantaneously. When triggered, an electric solenoid in the gun lifts the stud to a pre-set height off the base metal. General Information for Stud Welding Studs Aluminum Nelson manufactured aluminum studs are made from Aluminum Association (AA) alloys 5356,. 2 mm) and produces welds in as little as 0. Aluminum studs of diameter 3/16 in. Arc welding is commonly used for joining aluminium alloys. 5/16" CD Stud Welding System -TRUWELD TW-i-321 $3,640. 1/4-20 x 2 Arc Stud Full Thread Point Mild Steel with F Ferrules from $37. Pressure is not used, and filler metal is obtained from the electrode and sometimes from a supplemental source such as a welding rod, flux, or metal granules. Flux - Except for some studs less than 5/16" diameter, all studs are solid fluxed at the center of the weld base. 1) The weld gun is positioned over the base material and the main gun spring is partially compressed. G. Includes a starter kit with consumables. Stud welding is a fast, reliable and accurate method of attaching a metal fastener to a metal part using an electric arc. 3/8-16 CD Weld Stud, Non Flanged, Mild Steel. You can use either a capacitor discharge or a drawn arc capacitor discharge technique. A critical factor differentiating stud. 904. Unless stated otherwise, all threaded studs are reduced base (Type RD). Aluminum Arc Full Base (FB) Weld Pins Sunbelt aluminum SB (Shoulder Base) welding pins are plain, unthreaded fasteners with a weld base diameter greater than the extension diameter. 847-228-1995 FAX. Aluminum Arc Shoulder Base (SB) Weld Stud. Weld studs for Fastening. The studs pictured do not represent a complete listing of all possible styles of studs that are in stock or available. Call our technical experts if you have any questions at 1-800-426-5667. For welding up to 1/4" (6mm) diameter CD weld studs in aluminum and 5/16" (8mm) in mild and stainless steel. Typical Use: As standoff and pivot between parent metal and rotating arm or wheel. 048 in. Stud welding aluminum usually works like a charm. Material: Aluminum. Stud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. 50 USD. Ferrules - All orders include ferrules when required. Drawn arc stud welding operations are used extensively in the construction industry. Thread: Standard UNC2A. 06 seconds. Every day, millions of welding studs are joined via stud welding processes in many areas of the metal industry. 1157 Pagni Drive. Our stud welding experts can see if we have it or find it for you. Drawn Arc and Short-Cycle Welding Studs Drawn Arc Threaded and Unthreaded Studs are recommended for fastening applications where threads are needed for the full fastener. Nelson ® offers three methods of stud welding: drawn arc welding, for structural stud welding using large diameters studs, ferrules, and an aluminum flux; capacitor discharge (CD) , for non-structural applications with a rapid attachment and an undisturbed backside finish; and short cycle, for semi-structural applications with a rapid attachment and an undisturbed. The Lynx4 Modular stud welding system offers 5/16" welding capacity in the most compact system on the Market. Arc studs may be almost any shape and there are literally hundreds, however, they must have one end of the fastener designed for Arc welding. 90 USD. Coarse and fine threads are available in both imperial (UNC-2A and UNF-2A) and ISO Metric (Class 6g) sizes. These weld studs can be both threaded, or unthreaded. 09 ARC STUD WELDING: Chapter 10: WHC2. G. (4. Materials include steel & stainless steel studs. Both joining partners are melted and then joined under low contact pressure. 3/8-16 Arc Stud, Partial Thread, Mild Steel with P Ferrules from $18. Daemen Consultant C. Aluminium is a chemical element, which makes up about 8% of the Earth’s crust, making it the most abundant metal and the third most abundant element after oxygen and silicon. Connection to ground via Tucker weld studs. Sunbelt Stud Welding 6381 Windfern Road Houston, TX 77040 U. No part of this publication (whether in hard copy or electronic form)Cutlass keeps over 8,000,000 weld studs in over 2,000 sizes in stock for immediate delivery. Stud welding is a complete one-step fastening system, using fasteners called weld studs. Stud Welding, Inc. AWS D10. The welding stud is then forced into the melted area and held in place until the metals re-solidify. 3/8-16 Arc Stud Full Aluminum with F Ferrules from $43. manual metal arc, has been left to the discretion ofthe deslgner-c) The allowable stresles in welda have been increased to bring them in line with thOle for parent meta) given in IS: 800-1962-. Lengths range from 16-100mm (mild steel and stainless steel). Hey people, I really need help in joining a flux cored aluminum ball at the end of a simple stud. Arc stud welding permits strong, one-sided welds on base metals with thicknesses starting at 0. For a quick visual of how this is done and how simple it. Grounding via a reliable ground connection is decisive for the smooth operation of the electric consumer loads. Drawn arc stud types with a ceramic ferrule feature a pressed-in aluminum ball at the tip to more easily ignite the arc and deoxidize the weld pool. Arc stud welding is a process by which a metal fastener is welded to a parent metal through a fusion weld. CD (capacitor discharge) weld studs require lower levels of heat and less time to weld than drawn arc weld studs, which makes them suitable for use on sheet metal and other thin materials that would be marred by the drawn arc welding process. When lifted, an arc develops between the stud base and the base material to create a pool of molten metal directly. Contact us for more information regarding our high quality ring weld projection stud fasteners or call us at 800-783-0910, we would be happy to assist you with any questions that you may have. Employing a portable,. 13 : Tube brazing (copper). Length Specifications: Overall. They primarily used to anchor concrete to a steel beam. The CD process operates on the principle of capacitor stored energy which is instantaneously discharged by the equipment system through a. Arc Gun Accessories for Welding ¾’’ diameter Weld Thru-Deck Studs: Extension Legs B-0109-18 18” Foot Piece B-0021 Foot Extension Assembly Grip B-0060-1 Chuck Ch-075. Stud welding is a process where a metal clasp is welded to another metal component using an electrical arc to heat the parts. 024.