Timco – 5.5 x 55mm Heavy Duty Tech Screw x 100

5.5 x 55mm Heavy Duty Tech Screws with Washer – For 12mm Steel (Box of 100)

Engineered by TIMco for high-performance applications, these 5.5 x 55mm heavy duty tech screws are ideal for fixing into thick, heavy section steel up to 12mm. They feature an EPDM galvanised washer with rubber seal and a durable Ruspert silver coating for superior corrosion resistance.

Key Features:

• Size: 5.5mm diameter x 55mm overall length
• Washer: 16mm EPDM galvanised washer with rubber seal
• Head: 5.5mm with 8mm across flats (A/F)
• Max Drill Thickness: 12mm
• Max Clamping Thickness: 32mm
• Thread Type: Fine self-tapping metric thread
• Coating: Silver Ruspert – corrosion and weather resistant
• Standard: BSEN ISO 9227:2006 compliant
• Use: Suitable for both internal and external applications
• Application: Fixing to heavy steel sections and structural metal
• Pack Size: Sold in boxes of 100

Applications:

• Steel frame construction
• Cladding systems on heavy steel
• Outdoor and industrial fixings

Ordering & Delivery

✔ Trusted UK Delivery – 95% of orders dispatched within 24 hours

Most orders arrive within 1–2 working days as standard.

Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.

For bulk quantities or trade pricing, please call our team on 0121 270 8507.