ASTM C954 Stainless Steel 410 Hex Washer Head Self Drilling Screw #14-20 x 2" Type 3 Passivated Silver Roofing Screw with EPDM Washer

Product Description (Concise)

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

1. Steel stud framing (drywall tracks, furring channels)

2. Metal roofing and siding (with EPDM washer option)

3. HVAC ductwork and hanger attachment

4. Electrical enclosures and backplate mounting

5. Industrial shelving and racking

6. Automotive underbody and trim panels

7. General sheet metal fabrication

Product Advantages

1. No pre‑drilling – saves 50% installation time

2. One tool operation – drill and drive with a single impact driver

3. Type 3 point matches common structural steel gauges (14–10 ga)

4. Hex washer head prevents stripping and distributes load

5. Full thread provides maximum pull‑out strength (>800 N)

6. Case hardened – hard point (55 HRC), tough core (40 HRC)

7. Zinc plating offers reliable corrosion protection

8. Available in multiple lengths – 3/4″ to 6″

Product Functions

1. Drill point cuts hole through steel

2. Flutes eject chips, leaving clean hole

3. Threads tap into the hole wall

4. Washer head seats and clamps joint

5. Resists vibration loosening

6. 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