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Robert Charles DIN 3 Flute Countersink 90° - 28.0mm Head Diameter

Robert Charles DIN 3 Flute Countersink 90° - 28.0mm Head Diameter

SKU:335C-28.0-90

The Robert Charles DIN 3 Flute Countersink 90° with a 28.0 mm head diameter is a DIN-standard tool designed to produce precise 90-degree countersinks and clean chamfers with an excellent surface ... Read more ↓
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Head Diameter28.0
Small Diameter4
Shank Diameter12
Overall Length71
Head Length16
Angle90
£83.74
Prices shown ex. VAT
2–3 days estimated lead time — subject to availability
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The Robert Charles DIN 3 Flute Countersink 90° with a 28.0 mm head diameter is a DIN-standard tool designed to produce precise 90-degree countersinks and clean chamfers with an excellent surface finish. Its 3-flute cutting design delivers smooth, stable cutting with reduced vibration and improved chip evacuation, enabling accurate and repeatable results. Suitable for use on steels, aluminum, and plastics, this countersink is ideal for engineering, maintenance, and production environments where reliability and precision are essential.

  • DIN-standard 90° geometry: Ensures precise 90-degree countersinks and chamfers with a consistent, uniform finish across parts.
  • Three-flute design for smooth cutting: Reduces vibration and enhances chip evacuation to maintain accuracy and deliver cleaner holes.
  • 28.0 mm head diameter for stable engagement: Provides robust cutting engagement and reliable performance across a range of materials.

This countersink helps you streamline workflows by delivering clean, accurate countersinks every time, reducing rework and downtime. The versatile compatibility with steel, aluminum, and plastics means you can standardize tooling across jobs, improving setup speed and overall production efficiency. Built to DIN standards, it offers dependable, repeatable performance you can trust in demanding engineering, maintenance, and manufacturing environments.

Head Diameter 28.0
Small Diameter 4
Shank Diameter 12
Overall Length 71
Head Length 16
Angle 90

What time are Protool open?

We are open Monday to Friday between 8:30am and 5pm.

Do you offer Free Next Day delivery?

Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.

We also offer the following:

  • Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
  • DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
  • Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
  • DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.

For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.

*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.

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Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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Full Range: Robert Charles DIN 3 Flute CountersinkS 90°

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You are viewing 335C-28.0-90. Click any other SKU to view its full details.

Product SKUHead DiameterSmall DiameterShank DiameterOverall LengthHead LengthAnglePriceStock Order
335C-4.3-90 4.31.24403.590£18.96 2-3 days
335C-5.3-90 5.31.5440490£19.75 2-3 days
335C-6.3-90 6.31.5545590£20.54 2-3 days
335C8.3-90 8.32650690£21.33 2-3 days
335C-10-0-90 10.02.56507.190£22.12 2-3 days
335C-10.4-90 10.42.56507.190£22.12 2-3 days
335C-11.5-90 11.52.88567.590£23.70 2-3 days
335C-12.4-90 12.42.8856890£24.49 2-3 days
335C-15.0-90 15.03.21060990£32.39 2-3 days
335C-16.5-90 16.53.210601090£33.18 2-3 days
335C-19.0-90 19.03.5106311.290£41.87 2-3 days
335C-20.5-90 20.53.5106312.590£46.61 2-3 days
335C-23.0-90 23.03.8106713.290£60.04 2-3 days
335C-25.0-90 25.03.810671590£61.62 2-3 days
335C-26.0-90 26.03.810671590£67.94 2-3 days
335C-28.0-90 Viewing28.0412711690£83.74 2-3 days
335C-30.0-90 30.04.212711890£86.11 2-3 days
335C-31.0-90 31.04.212711890£86.11 2-3 days

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