DIN 7504 Zinc Plated Hex Washer Head Self Drilling Screw #12-24 x 1" Type 3 Bright Silver Full Thread Metal Stud Screw
Price:
Negotiable
MOQ:
1000Pcs
Delivery Time:
15-30 Workdays
Brand:
TOBO
Product Description
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
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
Steel stud framing (drywall tracks, furring channels)
Metal roofing and siding (with EPDM washer option)
HVAC ductwork and hanger attachment
Electrical enclosures and backplate mounting
Industrial shelving and racking
Automotive underbody and trim panels
General sheet metal fabrication
Product Advantages
No pre‑drilling – saves 50% installation time
One tool operation – drill and drive with a single impact driver
Type 3 point matches common structural steel gauges (14–10 ga)
Hex washer head prevents stripping and distributes load
Full thread provides maximum pull‑out strength (>800 N)
Case hardened – hard point (55 HRC), tough core (40 HRC)
Zinc plating offers reliable corrosion protection
Available in multiple lengths – 3/4″ to 6″
Product Functions
Drill point cuts hole through steel
Flutes eject chips, leaving clean hole
Threads tap into the hole wall
Washer head seats and clamps joint
Resists vibration loosening
Zinc coating prevents rust
Packing & Delivery
Packing: Bulk cartons or strip collated, as per requirement
Delivery: 7–15 days for stock; 15–20 days for custom
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Company
TOBO GROUP LTD
Location
2F,Building7,Baolong Center,No.689,Xiwang Road,Jiading District,Shanghai,201800,China
Contact Person
Wason