UK Stainless logo Trade accounts - click here to apply for your free trade account

Your Specialist Supplier for Stainless Steel Fasteners

01603 301122

Evolution Fasteners


Stainless Steel, Standard Tek Screws. Bonded Hex Washer Head.

Tek 3 For 1.2mm - 3.5mm Steel. Light Section Stainless Tek Screws.

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

25mm & 38mm Sold in 200's rest in 100's.

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
  • Washer:               16mm  Bonded EPDM Washers
  • Thread Form:       Coarse Thread (TEK 3)
  • Shank Material:   Stainless Steel
  • Material Grade:   304/Euro A2

Product codes for Evolution Fasteners Stainless Tek Screws:

  • 5.5 x 25 - BMBW5.5-25-3
  • 5.5 x 35 - BMBW5.5-38-3
  • 5.5 x 50 - BMBW5.5-50-3
  • 5.5 x 135 - BMBW5.5-135-3


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

People who bought STAINLESS STEEL TEK SCREWS TEK 3 16MM EPDM WASHER also bought;

Items 0

Items Total 0.00

View Basket Checkout

Bondloc B243 Threadlock & Seal 50ml

Bondloc B243 Threadlock & Seal ...

14.00 inc VAT

A2 Stainless Steel Chipboard Screws

3 new sizes new in.. M6 x 160, 180 ...

2.12 inc VAT

Fischer FIS V 360S Vinylester Resin

Description Styrene-Free ...

14.40 inc VAT

A2 Stainless Steel Woodscrews - Pozi Countersunk

High quality Wood Screws made from ...

3.30 inc VAT

A2 Stainless Steel Nuts (Full Nut) A2-70

A2 Stainless Steel Hexagonal Full ...

0.90 inc VAT