Bi-metal Fastening Solutions (Imperial) 
Hex Washer Head
For roofing, cladding, and metal sheet fastening. Suitable with sealing washer.
Bi-Metal Self-Drilling Screws for Stainless Steel
Product Overview
Bi-Metal Self-Drilling Screws for Stainless Steel
Engineered for Fastening into Stainless Steel Applications.
Hardened Steel Drill Point / Designed for Hard Substrates
Bi-Metal Screws for Stainless Steel Plate combine hardened drilling performance with stainless steel corrosion resistance for demanding stainless steel fastening applications.
Designed for professional construction and industrial environments where drilling efficiency, fastening reliability, and long-term durability are essential.
Product Options
Available Head Types
Pan Head
For brackets, profiles, and light-gauge metal applications.
Flat Head
For flush installation and smooth surface finish.
Wafer Head
Low-profile wide head for side lap, sheet-to-sheet, and light metal fixing.
Product Features
Features
Designed for Stainless Steel Plate
Hardened Steel Drill Point
A2 / A4 Stainless Steel
Long-Term Corrosion Resistance
Fast Drilling Performance
Performance Benefits
Key Advantages
Efficient Drilling Performance
Engineered for fastening into stainless steel and hard metal substrates.
Corrosion Resistance
Stainless steel construction supports long-term outdoor durability.
Reliable Fastening
Designed for stable and secure fastening performance in demanding applications.
Professional Installation Performance
Suitable for professional construction and industrial installation environments.
Bi-Metal Self-Drilling Screws for Stainless Steel
Austenitic Stainless Steel
Hex Washer / Pan / Wafer / Truss Head
| Diameter | Length (mm) | Point Size |
Max Drilling Capacity on S.S. Plate (mm) |
Max Drive Speed (R.P.M) |
Max Drilling Capacity on Steel Plate (mm) |
Max Drive Speed (R.P.M) |
|
|---|---|---|---|---|---|---|---|
| min | max | ||||||
| Ø4.2 | 16 | 100 | #3 | 2 | 1800 | 3 | 2500 |
| Ø4.8 | 19 | 100 | #3 | 2 | 1800 | 4 | 2500 |
| Ø5.5 | 19 | 100 | #3 | 2 | 1800 | 6 | 2500 |
| Ø6.3 | 22 | 100 | #3 | 2 | 1800 | 6 | 2500 |
Application Fields
Applications
Stainless Steel Plate Fastening
Designed for fastening into stainless steel substrates.
Metal-to-Metal Applications
Reliable fastening for structural and industrial metal installations.
Industrial Construction
Suitable for factories, infrastructure, and industrial facilities.
Outdoor & Corrosion-Critical Environments
Long-term fastening performance for exposed applications.