Hex Washer Head
Hex Washer Head
Size: M3.5 - M8、#6 - 5/16
Length: 19 - 330mm、5/8" - 13"
Point: #1 - #8 Drilling Point with tek wings
We can provide a customized service (including head style, head recess, thread, point and surface treatment) to solve you problems.
Using 300 series Austenitic stainless steel and middle carbon steel
Why to use above 2 materials?
- 300 series Austenitic stainless steel：Corrosion Resistance、Good at Anti Rust、Non-Magnetic.
Middle carbon Steel：Partial Heat treatment which full hardening、to penetrate steel plate and to be lead thread.
To penetrate 18mm steel plate.
Production range 75-390mm.
Application
Using on Architecture (ex. corrugated plate、sandwich panel ect……)
Drilling Performance
- Ruspert coating：resistance to salt water (salt spray test 500-1500hrs)、
weather changes & Kesternich test for 10-15 cycles.
- Zinc plated