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Your Specialist Supplier for Stainless Steel Fasteners

01603 301122

Evolution Fasteners


Stainless Steel, Standard Tek Screws. Unwashered Hex  Head.

Tek 5 For 4mm - 12.5mm Steel. Heavy Section Stainless Tek Screws.

For a fastening when a Stainless Steel product is required, eg: in aluminium sheeting and panels.

Sold in packs of 100, our prices include VAT!

Advantages and Benefits of Stainless Tek Screws:
  • Reduced heat loss when used with external cladding
  • High carbon, high performance drill point ensures superior drilling characteristics, giving accurate drilling every time.
  • Bi-Metal fasteners have a welded, hardened carbon steel drill point married to an A2-304 Grade Stainless Steel Shank.
  • Ultimate corrosion resistance to ensure long term fastener integrity.

 Technical Specs:

  • Designed for:       Aluminium sheeting & Panels
  • Head Style:           Hexagonal
  • Drive:                     5/16" Hexagonal
  • Thread Form:       Fine Thread (TEK 5)
  • Shank Material:   Stainless Steel
  • Material Grade:   304/Euro A2

For more technical information please see data sheet attached.

Product codes for Evolution Fasteners Stainless Tek Screws:

  • 5.5 x 38 - BMHH5.5-38-5
  • 5.5 x 50 - BMHH5.5-50-5
  • 5.5 x 100 - BMBW5.5-100-5


Stainless Steel TEK Screws in Stainless Steel. Manufactured by Evolution Fasteners.

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