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OSG 55° Helix Endmill Square Edge - Centre Cutting Regular Length - 3mm

SKU:OSG-402-118155

The OSG 55° Helix Endmill Square Edge with a regular-length design is a versatile tool built for a wide range of machining tasks. With a 3 mm diameter, this endmill is well-suited for precise mil... Read more ↓
N
Cutter Diameter3
Number of Flutes2
Flute Length10
Overall Length39
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£14.40
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Description

The OSG 55° Helix Endmill Square Edge with a regular-length design is a versatile tool built for a wide range of machining tasks. With a 3 mm diameter, this endmill is well-suited for precise milling, profiling, and slotting, delivering consistent results across a variety of materials. The 55-degree helix angle promotes efficient chip evacuation and helps reduce cutting forces, contributing to smoother cuts and better surface finishes.

  • 55° Helix for Efficient Chip Evacuation: The steep helix angle moves chips away from the cut quickly, reducing heat buildup and cutting resistance for cleaner, more stable cuts at practical feed rates.
  • Square Edge for Precise Material Removal: The square-edge geometry ensures clean, square corners and reliable material removal, helping maintain dimensional accuracy during profiling and slotting.
  • Centre-Cutting for Versatile Machining: Center-cutting capability enables plunging and full-contour milling, offering flexibility to tackle grooves, slots, and complex geometries with a single tool.

Ideal for engineers, builders, machinists, hobbyists, and technicians, this endmill delivers dependable performance in general machining applications where precision and efficiency matter. Its regular-length design provides stable cutting action and predictable results, helping you maintain workflow continuity, reduce tool changes, and achieve repeatable finishes across projects.

Part Numbers

Protool Part Number
OSG-402-118155
Brand
OSG
Category
End Mill
Delivery

Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.

Returns

14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.

Technical Support

Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Trade Accounts

Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.

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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: OSG 55° Helix Endmill Square Edge - Centre Cutting Regular Length

View full collection →

You are viewing OSG-402-118155. Click any other SKU to view its full details.

Product SKUCutter DiameterNumber of FlutesFlute LengthOverall LengthShank DiameterPriceStock Order
OSG-402-118155 Viewing3210393£14.40 In Stock
OSG-402-157655 4214514£16.82 In Stock
OSG-402-196855 5216515£22.09 In Stock
OSG-402-236255 6219646£26.41 In Stock
OSG-402-315055 8221648£31.23 In Stock
OSG-402-393755 102257010£52.85 In Stock
OSG-402-472455 122257612£72.07 In Stock
OSG-402-551255 142308914£107.43 In Stock
OSG-402-629955 162328916£134.03 In Stock
OSG-402-708755 1823510218£165.23 In Stock
OSG-402-787455 2023810220£193.00 In Stock
OSG-402-984355 2523810225£266.10 In Stock

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