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OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1/4 x 26
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Description
The OSG BSF Spiral Flute Threading Tap is a precision tool designed for reliable blind-hole threading in metalwork, ideal for machinists and job shops that demand accuracy and durability.
- Material: HSS-E (high-speed steel with cobalt) for superior wear resistance and heat tolerance during demanding tapping tasks
- Coating: Steam oxide coating enhances surface protection and tool life in tough machining environments
- Threading Type: BSF (British Standard Fine) spiral flute design for clean, precise threads in blind holes
- Size: 1/4 x 26, compact and ready for small-diameter blind-hole tapping
- Flute Design: Spiral flutes promote efficient chip evacuation and smoother cutting in limited-access holes
- Application: Specifically optimized for blind-hole threading, delivering consistent results where space is constrained
This tap leverages advanced threading technology to produce accurate threads with minimal runout and extended tool life, reducing rework and increasing throughput. The combination of cobalt-enriched HSS-E and a durable steam oxide finish provides reliable performance across repeated usage in challenging materials, helping you achieve repeatable results in precision assemblies and critical machining tasks.
Part Numbers
- Protool Part Number
- OSG-22207314
- 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 - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
View full collection →You are viewing OSG-22207314. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22207554 | 3/16 | 32 | 16 | 5 | 58 | £27.80 | In Stock | |
| OSG-22207564 | 7/32 | 28 | 17 | 5.6 | 62 | £39.10 | 1-2 days | |
| OSG-22207314 Viewing | 1/4 | 26 | 19 | 6.3 | 66 | £23.75 | In Stock | |
| OSG-22207324 | 5/16 | 22 | 22 | 8 | 72 | £26.94 | In Stock | |
| OSG-22207334 | 3/8 | 20 | 24 | 10 | 80 | £33.18 | In Stock | |
| OSG-22207344 | 7/16 | 18 | 25 | 8 | 85 | £46.91 | In Stock | |
| OSG-22207354 | 1/2 | 16 | 29 | 9 | 89 | £47.36 | In Stock | |
| OSG-22207364 | 9/16 | 16 | 30 | 11.2 | 95 | £62.59 | 1-2 days | |
| OSG-22207374 | 5/8 | 14 | 32 | 12.5 | 102 | £71.26 | In Stock | |
| OSG-22207394 | 3/4 | 12 | 37 | 14 | 112 | £106.89 | In Stock | |
| OSG-22207414 | 7/8 | 11 | 38 | 16 | 118 | £147.77 | 1-2 days | |
| OSG-22207424 | 1 | 10 | 45 | 18 | 130 | £175.57 | 1-2 days | |
| OSG-22207434 | 1.1/8 | 9 | 37 | 20 | 127 | £305.92 | 1-2 days | |
| OSG-22207444 | 1.1/4 | 9 | 37 | 22 | 137 | £389.36 | 1-2 days |
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