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.

  • Surface Treatment
  • Screw Drivers

This combination does not exist.

Size: 19 - 330mm、5/8" - 13"
Point: Pilot Point

Product Features

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 /Drilling Performance


Using on Architecture (ex. corrugated plate、sandwich panel ect……)

Drilling Performance 

Surface Treatment

Ruspert coating:resistance to salt water (salt spray test 500-1500hrs)、weather changes & Kesternich test for 10-15 cycles.

Zinc plated

Contact Us

Customer Satisfaction, Research and Development, continuously improvement.

 Tailoring Excellence Through OEM/ODM Solutions. 

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