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on orders over £59 ex vat*

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Get advice on 01924 869 615

Same Day Despatch
On orders placed up to 5.45pm

Any orders placed on Thursday the 28th of March (via Next Day delivery service) will be delivered on Tuesday the 2nd of April due to closure over the Easter Bank Holiday weekend.

Saturday deliveries are available for any urgent orders, please contact our sales team on 01924 869610 or email sales@cutwel.net for more information.

1:16 Taper Pre-Machining End Mills for BSPT, NPT, NPTF Threads (Cutwel Pro)

1:16 Taper Pre-Machining End Mills for BSPT, NPT, NPTF Threads (Cutwel Pro)

Micrograin Solid Carbide End Mills to pre machinine a 1:16 taper for conical threads such as BSPT, NPT, NPTF. It...
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01924 869660 Mon - Thurs 8am - 6pm Fri 8am - 5:30pm
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Code Diameter (mm) Shank (mm) Flute Length (mm) Overall Length (mm) Flutes Stock Price
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Diameter (mm)
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Shank (mm)
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Flute Length (mm)
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Overall Length (mm)
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Diameter (mm): 5.3 Shank (mm): 6 Flute Length (mm): 11.26 Overall Length (mm): 55 Flutes: 3
available In stock
£71.98 £59.98
minus plus
Diameter (mm): 7.3 Shank (mm): 8 Flute Length (mm): 11.26 Overall Length (mm): 55 Flutes: 3
available In stock
£98.21 £81.84
minus plus
Diameter (mm): 8.8 Shank (mm): 10 Flute Length (mm): 19.3 Overall Length (mm): 75 Flutes: 4
unavailable 7 days*
£113.54 £94.62
minus plus
Diameter (mm): 10.8 Shank (mm): 12 Flute Length (mm): 19.3 Overall Length (mm): 75 Flutes: 4
available In stock
£113.54 £94.62
minus plus
Diameter (mm): 12.5 Shank (mm): 14 Flute Length (mm): 24.15 Overall Length (mm): 80 Flutes: 4
available In stock
£154.24 £128.53
minus plus

*Estimated lead time, subject to availability

Product Information

Features & Benefits

Micrograin Solid Carbide End Mills to pre machinine a 1:16 taper for conical threads such as BSPT, NPT, NPTF. It is recommended to use this tool for pre-machining the taper to improve tool life of the thread mill. Suitable for use on Steel, Stainless Steel, HRSA's, Cast Iron and Non-Ferrous materials.
  • Pre Machining 1:16 Taper for Conical Threads
  • 1:16 Taper end mill for BSPT, NPT, NPTF Threads
  • Improve tool life of thread mill by pre-machining the taper
  • Ideal for Steel, Stainless Steel, HRSA's, Cast Iron & Non-Ferrous
  • Made from Micrograin Solid Carbide
  • TNF coating prevents built up edge & improves thread quality

Service & Delivery

What time are we open?

We are open Monday to Friday and able to dispatch orders between 8am and 6pm (up to 5.30 pm on Fridays).

What delivery services do we offer?

To mainland UK we offer FREE UK next day delivery on all orders above £59 ex vat*. For orders under £59 ex vat we offer the following:

  • 1st class post - £6.00
  • DPD Standard Next Day Delivery - £6.00
  • DPD Next Day Pre-12pm - £9.50 or (£5.00 on orders over £59*)
  • DPD Next Day Pre-10.30am - £17.00
  • Fluid Orders - FREE UK next day delivery on all orders above £79 ex vat*. For orders under £79 - £25

We also offer Saturday delivery for those that require it. If you order before 5.30 pm on a Friday we offer a range of options including all day Saturday, pre12pm and pre10.30am. Please see our delivery page for more information.

*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).

How do I return an order/item?

Our returns policy is easier than ever. We understand that if an item isn’t correct, then it needs to be returned. If you are wanting to return anything supplied by Cutwel please see our returns page for full instructions.

Need Help?

Contact Sales

01924 869660 Mon - Thurs 8am - 6pm Fri 8am - 5:30pm