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OSG Threading Tap - UNC Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 1.1/8 x 7
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Description
The OSG UNC Spiral Point Threading Tap is a high-performance tool designed for through-hole threading tasks. Built for machining professionals who demand precision, durability, and efficient chip evacuation, it delivers reliable UNC threads with every cut.
- Material: HSS-E (high-speed steel with cobalt) for superior hardness and heat resistance.
- Coating: Steam oxide coating to reduce wear and extend tool life in demanding cutting conditions.
- Threading design: UNC spiral point geometry that facilitates fast, clean thread formation and easy chip evacuation.
- Size and pitch: 1-1/8" diameter with 7 TPI UNC thread, optimized for through-hole applications.
- Through-hole readiness: Specifically engineered for through-hole tapping to maximize material removal and thread accuracy.
- Brand precision: OSG engineering delivers consistent performance and reliable results across critical machining tasks.
Using this tap translates into quicker cycle times, robust thread integrity, and extended tool life in production or repair environments. The cobalt-infused HSS with steam oxide coating stabilizes performance under heat and wear, helping you achieve precise, durable threads in steel, aluminum, and other common workpiece materials. Ideal for automotive, machinery, and general fabrication projects where through-hole UNC threads are required.
Part Numbers
- Protool Part Number
- OSG-22105514
- 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-22105514. 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 | 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 Viewing | 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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