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Trade Prices. Maximum Choice.
Trade Prices. Maximum Choice.
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver
TIMCO Self-Drilling Heavy Section Screws Exterior Silver

TIMCO Self-Drilling Heavy Section Screws Exterior Silver

Shop All TIMCO
SKU H100B-TIM
£9.99 - £22.99
£21.99
£9.99 - £22.99
£21.99
Size: 5.5 x 100
Mix & Match multibuy — buy any 2 or more and save 5% MULTIBUY — Mix & match, buy any 2+ & save 5% Combine any products in our 5% Mix & Match range — discount applied automatically in your basket. No code needed.
Collection & Delivery
Click & Collect — our Northampton store Collect from our Northampton store · FREE
Home Delivery FREE over £75
Shipping information


We work hard to get your order out quickly and securely.

  • Fast Dispatch – Orders are processed promptly once placed.
  • Trusted Couriers – We use reliable delivery partners.
  • Clear Costs – Shipping is calculated at checkout, based on size and weight.
  • Peace of Mind – We’ll keep you updated every step of the way.
Returns & warranty
  • 28 Days to Return – If it’s not right, just bring it back in its original condition.
  • Quick Refunds – Once we’ve checked your return, we’ll refund you promptly.
  • Clear & Fair – Some items (like cut-to-size or opened packaging) can’t be returned, but we’ll always let you know upfront.

TIMCO Self-Drilling Heavy Section Screws Exterior Silver — genuine TIMCO trade stock, sold as the pack (Box of 100, TIMbag of 100). Choose your size above.

Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole. NOTE: Partially threaded.

  • Exterior plating gives a reliable and durable corrosion resistant coating which resists 1,000 hours salt-spray

Sizes in this range

Size Pack Barcode Code
5.5 x 100 Box of 100 5055017553594 H100B
5.5 x 100 Box of 100 5055331815071 H100W16B
5.5 x 32 Box of 100 5055017583966 H32B
5.5 x 32 Box of 100 5055017583973 H32W16B
5.5 x 38 Box of 100 5055017553570 H38B
5.5 x 38 Box of 100 5055017532452 H38W16B
5.5 x 38 TIMbag of 100 5055893307809 H38W16BB
5.5 x 55 Box of 100 5055017553587 H55B
5.5 x 55 Box of 100 5055017532469 H55W16B
5.5 x 65 Box of 100 5056110833811 H65B
5.5 x 65 Box of 100 5055017532476 H65W16B
5.5 x 80 Box of 100 5056110833828 H80B
5.5 x 80 Box of 100 5055017532483 H80W16B
🔨 Trade Prices for Everyone

Why pay more? We keep our prices rock-bottom so whether you’re a trade professional or DIYer, you always get the best deal.

🏠 Local & Independent


We’re Northampton’s trusted family-run store, supporting local people with great products and honest service.

🚚 Easy Pickup or Local Delivery

Order online and collect in-store, or get heavy items like blocks and cement delivered straight to your site.

👍 Friendly, Helpful Service

Our staff know their stuff — whether it’s building materials, DIY or garden, we’re here to help you get the job done.

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TIMCO Self-Drilling Heavy S...
£9.99