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Dormer Pramet C123 5.5mm HSS-E-Powder Metal Flatted Shank 2 Flute Standard Length Slot Drill DIN 844 K

SKU:DOR-C1235.5

The Dormer Pramet C123 5.5mm HSS-E-Powder Metallurgical Slot Drill is a compact, efficient two-flute tool designed for precise slotting, shoulder milling, and ramping in steel and copper alloys. W... Read more ↓
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Cutter Diameter5.5
Flute Length57
Number of Flutes2
Overall Length57
Shank Diameter6
£25.95
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2 days estimated lead time — subject to availability
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The Dormer Pramet C123 5.5mm HSS-E-Powder Metallurgical Slot Drill is a compact, efficient two-flute tool designed for precise slotting, shoulder milling, and ramping in steel and copper alloys. With a DIN 844 K standard and a robust 6 mm Weldon shank, it’s built for reliability in pro shop to production environments.

  • Diameter: 5.5 mm
  • Flutes: 2 flutes for efficient cutting and chip evacuation
  • Length of cut (DOC): 13 mm
  • Overall length: 57 mm
  • Shank: 6 mm Weldon shank for secure toolholding
  • Material/Construction: HSS-E with powder metallurgy and bright finish for enhanced wear resistance
  • Helix angle: 30° for improved cutting action and chip control
  • Rake angle: 12° to optimize cutting in steel, cast steel, and copper alloys
  • Standard: DIN 844 K compliant for interchangeability with DIN-standard tooling
  • Primary applications: Slot milling, shoulder milling, and ramping in steel, cast steel, and copper or copper alloys

This tool is designed to deliver clean slots with consistent dimensions, even on challenging materials. The combination of a 30° helix and 12° rake provides smooth entry and efficient chip removal, reducing surface roughness and tool chatter. The powder-metallurgical HSS-E substrate offers improved hardness and wear resistance over conventional HSS, helping to extend tool life across repeated passes. The Weldon shank ensures dependable clamping and minimal runout in standard milling setups, making it a dependable choice for precision slotting, lightweight shoulder milling, and ramping operations in a variety of metals.

Cutter Diameter 5.5
Flute Length 57
Number of Flutes 2
Overall Length 57
Shank Diameter 6

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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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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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: Dormer Pramet C123 HSS-E-Powder Metal Flatted Shank 2 Flute Standard Length Slot Drills DIN 844 K

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You are viewing DOR-C1235.5. Click any other SKU to view its full details.

Product SKUCutter DiameterFlute LengthNumber of FlutesOverall LengthShank DiameterPriceStock Order
DOR-C1231/16 1/16512516£22.78 2 days
DOR-C1232.0 2512516£22.78 2 days
DOR-C1232.5 2.5522526£23.30 2 days
DOR-C1233.0 3522526£21.54 2 days
DOR-C1231/8 1/8542546£22.02 2 days
DOR-C1233.5 3.5542546£22.02 2 days
DOR-C1235/32 5/32552556£22.02 2 days
DOR-C1234.0 4552556£21.57 2 days
DOR-C1234.5 4.5552556£23.47 2 days
DOR-C1233/16 3/16572576£23.47 2 days
DOR-C1235.0 5572576£21.34 2 days
DOR-C1235.5 Viewing5.5572576£25.95 2 days
DOR-C1236.0 6572576£21.48 2 days
DOR-C1231/4 1/46626610£28.76 2 days
DOR-C1236.5 6.56626610£28.76 2 days
DOR-C1237.0 76626610£30.29 2 days
DOR-C1237.5 7.56626610£28.76 2 days
DOR-C1235/16 5/166926910£28.76 2 days
DOR-C1238.0 86926910£27.19 2 days
DOR-C1238.5 8.56926910£31.46 2 days
DOR-C1239.0 96926910£33.08 2 days
DOR-C1239.5 9.56926910£31.46 2 days
DOR-C1233/8 3/87227210£31.46 2 days
DOR-C12310.0 107227210£29.84 2 days
DOR-C12311.0 117927912£39.08 2 days
DOR-C12312.0 128328312£35.23 2 days
DOR-C1231/2 1/28328312£46.92 2 days
DOR-C12313.0 138328312£46.92 2 days
DOR-C12314.0 148328312£44.05 2 days
DOR-C12315.0 158328312£52.35 2 days
DOR-C12316.0 169229216£52.80 2 days
DOR-C12318.0 189229216£59.93 2 days
DOR-C12320.0 20104210420£69.94 2 days
DOR-C12322.0 22104210420£90.85 2 days
DOR-C12325.0 25121212125£117.65 2 days
DOR-C12330.0 30121212125£147.06 2 days

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