OSG | Authorised UK Distributor
OSG Threading Taps

NPT Spiral Point HSS-E - Steam Oxide Coated - Through Hole

Maximize threading efficiency with the OSG NPT Spiral Point Threading Tap. Constructed from high-speed steel with cobalt (HSS-E) and featuring a robust Steam Oxide coating, this tap ensures exceptional durability and heat resistance. The spiral point design facilitates swift chip evacuation, making it ideal for through-hole applications. Count on OSG’s precision engineering to deliver high-quality, precise threads and extended tool life, ensuring superior performance for your machining needs.

Starting from
£69.52
inc. VAT
In this range
6
products
In stock now
4
ready to dispatch
Browse all 6 products

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

Product SKU Size Pitch Flute Length Shank Diameter Overall Length Price Stock Order
OSG-22628764 1/8 27 0.75 0.318 2.1/8 £69.52 In Stock
OSG-22628774 1/4 18 1.1/16 0.429 2.7/16 £95.62 In Stock
OSG-22628784 3/8 18 1.1/16 5.542 3.3/16 £112.98 In Stock
OSG-22628794 1/2 14 1.3/8 0.687 3.1/8 £139.05 In Stock
OSG-22628804 3/4 14 1.3/8 0.906 3.1/4 £201.63 1-2 days
OSG-22628814 1 11.5 1.3/4 1.125 3.3/4 £272.89 1-2 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