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OSG Threading Tap - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 24
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Description
Achieve precise threading with the OSG UNF Spiral Flute Threading Tap. Designed for professional machining tasks, this HSS-E cobalt tap delivers accurate UNF threads in blind-hole applications with outstanding durability.
- UNF Spiral Flute Design: Spiral flutes provide efficient chip evacuation in blind holes, helping maintain steady cutting action and consistent thread quality.
- Size and Thread: 5/16" diameter with 24 threads per inch (5/16 x 24 UNF).
- Material: High-Speed Steel with cobalt (HSS-E) for greater hardness and resistance to heat and wear during cutting.
- Coating: Steam oxide coating enhances wear resistance and tool life in demanding machining environments.
- Application: Optimized specifically for blind-hole threading, minimizing chip buildup and reducing rework.
- Quality and Reliability: Built by OSG, leveraging advanced threading technology to deliver accurate threads and dependable performance.
This tap enables clean, true UNF threads in tight blind-hole work. The cobalt-infused substrate withstands heat and friction, while the spiral flute design promotes smooth chip removal to maintain cutting efficiency. For precise, durable threading in metalworking tasks, the OSG UNF Spiral Flute Threading Tap is a trusted choice that supports consistent results and longer tool life.
Part Numbers
- Protool Part Number
- OSG-23204764
- 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 - UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
View full collection →You are viewing OSG-23204764. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-23204674 | No. 10 | 32 | 16 | 5 | 58 | £54.37 | In Stock | |
| OSG-23204724 | 1/4 | 28 | 19 | 6.3 | 66 | £44.97 | In Stock | |
| OSG-23204764 Viewing | 5/16 | 24 | 22 | 8 | 72 | £52.21 | In Stock | |
| OSG-23204814 | 3/8 | 24 | 24 | 10 | 80 | £66.49 | In Stock | |
| OSG-23204814A | 7/16 | 20 | 25 | 8 | 85 | £92.49 | 1-2 days | |
| OSG-T9547058 | 1/2 | 20 | 29 | 9 | 89 | £93.67 | 1-2 days |
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