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OSG Threading Tap - UNC Spiral Point HSS-E - Steam Oxide Coated - Through Hole - No. 3 x 48
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Description
The OSG UNC Spiral Point Threading Tap is a precision tool designed for through-hole threading in metalworking. Built with HSS-E cobalt and finished with a steam oxide coating, it delivers durable performance and consistent, high-quality threads in demanding applications.
- No. 3 x 48: UNC size No. 3 with a 48 mm overall length, optimized for through-hole tapping.
- Material: High-Speed Steel with cobalt (HSS-E) for enhanced hardness and wear resistance.
- Coating: Steam oxide finish to improve wear resistance and heat tolerance in tough cutting environments.
- Threading design: UNC spiral point geometry that efficiently evacuates chips and promotes smooth hole threading.
- Through-hole compatibility: Specifically engineered for reliable internal threads in through-hole applications.
- Technology: OSG’s advanced threading technology ensures precise, repeatable thread forms and extended tool life.
This tapping solution helps machinists achieve clean, accurate threads with reduced chip packing and less downtime. The combination of HSS-E cobalt and steam oxide coating stands up to heat and wear, making it well-suited for production runs and critical machining tasks where consistency matters. Whether you’re setting up a through-hole fastener or finishing a series of components, this OSG tap delivers dependable performance and long-term value.
Part Numbers
- Protool Part Number
- OSG-22104554
- Brand
- OSG
- Category
- Threading Tap
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.
Full Range: OSG Threading Taps - UNC Spiral Point HSS-E - Steam Oxide Coated - Through Hole
View full collection →You are viewing OSG-22104554. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22104514 | No. 1 | 64 | 8 | 2.5 | 41 | £71.26 | In Stock | |
| OSG-22104534 | No. 2 | 56 | 9.5 | 2.8 | 44.5 | £50.39 | In Stock | |
| OSG-22104554 Viewing | No. 3 | 48 | 9.5 | 2.8 | 44.5 | £50.39 | In Stock | |
| OSG-22104574 | No. 4 | 40 | 11 | 3.15 | 48 | £31.02 | In Stock | |
| OSG-22104594 | No. 5 | 40 | 11 | 3.15 | 48 | £31.02 | 1-2 days | |
| OSG-22104614 | No. 6 | 32 | 13 | 3.55 | 50 | £18.94 | In Stock | |
| OSG-22104644 | No. 8 | 32 | 13 | 4.5 | 53 | £18.94 | In Stock | |
| OSG-22104664 | No. 10 | 24 | 16 | 5 | 58 | £18.94 | In Stock | |
| OSG-22104684 | No. 12 | 24 | 17 | 5.6 | 62 | £22.59 | 1-2 days | |
| OSG-22104714 | 1/4 | 20 | 19 | 6.3 | 66 | £15.81 | In Stock | |
| OSG-22104744 | 5/16 | 18 | 22 | 8 | 72 | £17.88 | In Stock | |
| OSG-22104794 | 3/8 | 16 | 24 | 10 | 80 | £22.59 | In Stock | |
| OSG-22104844 | 7/16 | 14 | 25 | 8 | 85 | £32.50 | In Stock | |
| OSG-22104894 | 1/2 | 13 | 29 | 9 | 89 | £32.66 | In Stock | |
| OSG-22104944 | 9/16 | 12 | 30 | 11.2 | 95 | £41.36 | In Stock | |
| OSG-22105014 | 5/8 | 11 | 32 | 12.5 | 102 | £48.49 | In Stock | |
| OSG-22105154 | 3/4 | 10 | 37 | 14 | 112 | £72.75 | In Stock | |
| OSG-22105264 | 7/8 | 9 | 38 | 16 | 118 | £100.83 | In Stock | |
| OSG-22105384 | 1 | 8 | 45 | 18 | 130 | £120.78 | In Stock | |
| OSG-22105514 | 1.1/8 | 7 | 48 | 20 | 138 | £208.59 | In Stock | |
| OSG-22105644 | 1.1/4 | 7 | 51 | 22.4 | 151 | £267.69 | In Stock |
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