Hex Washer Head


Application: Metal Sheets、Corrugated Board、Sandwich Panel、Solar Panel

Size: M3.5 - M8、#6 - 5/16

Length: 19 - 330mm、5/8" - 13"

Point: #1 - #10 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.

Material: Bi-metal
Point: Drill Point
Highlight: Popular

Product Description

Why bi-metal screw to use 2 materials?
  1. From head to middle - produce by 300 series Austenitic stainless steel:Corrosion Resistance、Good at Anti Rust、Non-Magnetic.
  2. From middle to point - produce by Carbon Steel: Partial heat treatment which full hardened to penetrate steel plate and to be lead thread.


The reference of Bi-metal Screw Drilling Performance 


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 Tailoring Excellence Through OEM/ODM Solutions.