DIN 7504 Zinc Plated Hex Washer Head Self Drilling Screw #12-24 x 1" Type 3 Bright Silver Full Thread Metal Stud Screw
Product Description (Concise)
| Parameter | Details |
|---|---|
| Product Name | Self Drilling Screw – Hex Washer Head |
| Standard | DIN 7504 / ISO 10666 |
| Thread Size | #12-24 UNF |
| Length | 1" (25.4 mm) |
| Point Type | Type 3 (#3) – for 2.8–5.3 mm steel |
| Head Style | Hex Washer Head (integral flange) |
| Drive | Hex socket 5/16″ (8 mm) |
| Material | Carbon steel, case hardened |
| Surface | Zinc plated, bright silver |
| Point Hardness | 55–60 HRC |
| Core Hardness | 35–45 HRC |
| Tensile Strength | ≥ 100,000 psi |
| Torque Strength | > 12 N·m |
| Pull‑out Resistance | > 800 N (in 3 mm steel) |
| Standards | ASTM C954, SAE J78 |
Product Summary
Self drilling screw that drills, taps, and fastens in one operation. Type 3 point eliminates pre‑drilling in 2.8–5.3 mm steel. Hex washer head provides high torque without cam‑out. Zinc plated for indoor and mild outdoor use.
Product Applications
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Steel stud framing (drywall tracks, furring channels)
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Metal roofing and siding (with EPDM washer option)
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HVAC ductwork and hanger attachment
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Electrical enclosures and backplate mounting
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Industrial shelving and racking
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Automotive underbody and trim panels
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General sheet metal fabrication
Product Advantages
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No pre‑drilling – saves 50% installation time
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One tool operation – drill and drive with a single impact driver
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Type 3 point matches common structural steel gauges (14–10 ga)
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Hex washer head prevents stripping and distributes load
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Full thread provides maximum pull‑out strength (>800 N)
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Case hardened – hard point (55 HRC), tough core (40 HRC)
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Zinc plating offers reliable corrosion protection
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Available in multiple lengths – 3/4″ to 6″
Product Functions
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Drill point cuts hole through steel
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Flutes eject chips, leaving clean hole
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Threads tap into the hole wall
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Washer head seats and clamps joint
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Resists vibration loosening
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Zinc coating prevents rust
Packing & Delivery
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Packing: Bulk cartons or strip collated, as per requirement
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Delivery: 7–15 days for stock; 15–20 days for custom
Get in Touch
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