Robert Charles | Authorised UK Distributor

Robert Charles DIN 3 Flute Countersinks 100°

The Robert Charles DIN 3 Flute Countersink 100° is designed to DIN standards for precise 100° countersinking and chamfering. Its 3-flute design ensures smooth, stable cutting with minimal chatter and efficient chip removal, delivering a clean, accurate finish. Suitable for a wide range of materials including steel, aluminium, and plastics, this countersink provides reliable performance for engineering, workshop, and production applications where precision and surface quality are essential.

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Starting from
£30.02
inc. VAT
In this range
9
products
In stock now
0
ready to dispatch
Browse all 9 products

Click any SKU to view full product details, specifications and datasheets.

Product SKU Head Diameter Small Diameter Shank Diameter Overall Length Head Length Angle Price Stock Order
335C-6.3-100 6.3 1.5 5 45 5 100 £30.02 2-3 days
335C-8.3-100 8.3 2 6 50 6 100 £31.60 2-3 days
335C10-4-100 10.4 2.5 6 50 7.1 100 £34.76 2-3 days
335C-12.4-100 12.4 2.8 8 56 8 100 £37.92 2-3 days
335C-16.5-100 16.5 3.2 10 60 10 100 £50.56 2-3 days
335C-20.5-100 20.5 3.5 10 63 12.5 100 £69.52 2-3 days
335C-25.0-100 25.0 3.8 10 67 15 100 £88.48 2-3 days
335C-30-100 30.0 4.2 12 71 18 100 £154.84 2-3 days
335C-31.0-100 31.0 4.2 12 71 18 100 £154.84 2-3 days
Service & Support

Built around the way engineers work

Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.

Dispatch Hours

Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).

  • Mon – Thurs8:00 – 17:00
  • Friday8:00 – 16:30
  • Sat & SunClosed

UK Delivery

FREE next day delivery on mainland UK orders over £50 ex VAT
ServiceCost
Royal Mail Tracked 24£5.90
DPD Standard Next Day£8.00
Royal Mail Special Delivery by 1pm£12.50
DPD Saturday Delivery£25.00

Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.

Need Technical Help?

Our specialist team can advise on tooling choice, specifications and compatibility.

01732 887334 info@protool-ltd.co.uk
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30