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Trade Prices. Maximum Choice.
Trade Prices. Maximum Choice.
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm
TIMCO 3 Flute Countersink M2 HSS - 10.4mm

TIMCO 3 Flute Countersink M2 HSS - 10.4mm

Shop All TIMCO
SKU CS104-TIM
£10.99 - £30.99
£15.99
£10.99 - £30.99
£15.99
Size: 10.4mm
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 3 Flute Countersink M2 HSS - 10.4mm — genuine TIMCO trade stock, sold as the pack (Single Tube). Choose your size above.

These engineering quality countersinks drill a precise recess to allow a fastener head to sit flush in alloy and non-alloy metals, timber and man-made boards.

  • 90° head angle
  • High quality M2 grade High Speed Steel (HSS)
  • 3 flat shank to prevent slipping in the chuck

Sizes in this range

Size Pack Barcode Code
10.4mm Single Tube 5055017552603 CS104
12.4mm Single Tube 5055017552610 CS124
16.5mm Single Tube 5055017552627 CS165
20.5mm Single Tube 5055017552634 CS205
25.0mm Single Tube 5055017552641 CS250
6.3mm Single Tube 5055017552580 CS63
8.3mm Single Tube 5055017552597 CS83
🔨 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 3 Flute Countersink M...
£10.99