Wieländer+Schill Coarse Thread Welding Studs (Ø 5 × 25 mm), 50 pcs | 297054

Product Overview

The Wieländer+Schill Coarse Thread Welding Studs (Item No: 297054) represent the longest variant in W+S’s premium line of copper-plated consumable dent extraction fasteners. Stretching to a full 25 mm in length, these specialized studs are designed for extreme structural repair scenarios where technicians require maximum clearance between the vehicle panel and the pulling hardware.

Engineered for use with single-sided resistance spot welding guns, the 297054 studs allow for the attachment of exceptionally bulky pulling claws, multi-hook bridges, or deep spacer nuts. The aggressive coarse T5 thread prevents stripping under extreme hydraulic pressure, while the robust 4.8-grade steel core guarantees the stud won't snap during aggressive high-strength steel (HSS) manipulation.

Key Features

• Maximum 25mm Clearance: The extended 25mm profile is the longest in the series, specifically designed for bridging wide gaps, pulling from deep recesses, or accommodating the thickest heavy-duty pulling fixtures in the shop.

• High-Conductivity Copper Plating: The heavy copper plating ensures immediate, high-amperage electrical transfer during the spot welding process. This creates a deep, secure weld nugget without transferring excess, warping heat into the surrounding panel.

• Grade 4.8 Steel Core: Built from high-strength 4.8 grade steel to endure the immense tensile forces generated by hydraulic pulling towers and heavy slide hammers.

• Coarse T5 Thread Profile: The T5 coarse threading is engineered to resist thread deformation and stripping, allowing technicians to rapidly thread on and remove heavy pulling nuts without cross-threading.

• Broad Equipment Compatibility: Designed with a standard 5mm base, seamlessly fitting into universal M5 stud welding electrode chucks across multiple major dent spotter brands.

Technical Specifications & Compatibility

Ideal Use Cases & Applications

• Deep Recess Extraction: Perfect for pulling damage located at the bottom of deep body lines, concave contours, or inside door shells where shorter studs physically cannot reach the pulling hardware.

• Oversized Pulling Hardware: Necessary when utilizing massive hydraulic pulling claws, multi-hook attachments, or stacking spacer nuts that would consume the entirety of a 14.2mm or 18mm stud.

• Bridging Obstructions: Allows technicians to weld a stud and attach a pulling bar that needs to bridge over adjacent trim, raised body lines, or other protruding structural components.

Common Questions (FAQs)

Q: When should I choose the 25mm stud over the 14.2mm or 18mm versions?
A: The 25mm (297054) stud should be reserved for scenarios requiring extreme standoff distance. If your pulling claw is exceptionally thick, or if the damage is located in a deep recess that prevents your pulling tool from sitting flush near the panel, the 25mm stud provides the necessary reach. For standard flat-panel pulling, the shorter 14.2mm or 18mm studs are preferred to reduce leverage and flex on the stud base.

Q: What electrode do I need to weld these studs?
A: If utilizing the Wieländer+Schill Single Sided Spot Welding Gun (PSP GT), use the standard stud welding electrode (Item No: 497023). For Pro Spot, GYS, or Dent Fix units, ensure your gun is equipped with a standard M5 (5mm) stud collet/chuck. The 25mm length will fit into most standard open-ended chucks.

Q: Can I weld these directly over paint or e-coat?
A: No. Like all resistance spot welding consumables, the 297054 studs require a clean, bare metal surface to establish a proper electrical ground and ensure a strong, structural weld.

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