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OSG Threading Tap - BSF Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 1/2 x 16
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Description
The OSG BSF Spiral Point Threading Tap is built for professionals who demand precise British Standard Fine threads in through-hole applications. Crafted from high-speed steel with cobalt (HSS-E) and finished with a Steam Oxide coating, it delivers durability, heat resistance, and reliable performance in demanding tapping tasks.
- Threading Type: BSF Spiral Point design for efficient forward chip evacuation and clean, straight threads.
- Size & Pitch: 1/2" diameter with 16 threads per inch (1/2 x 16), optimized for through-hole tapping.
- Material & Coating: HSS-E (high-speed steel with cobalt) with a Steam Oxide coating for enhanced wear resistance and heat tolerance.
- Through-Hole Capability: Specifically engineered for through-hole work, promoting consistent alignment and thread quality.
- Chip Evacuation: Spiral point geometry pushes chips forward, reducing clogging and improving tapping efficiency.
- Durability: Cobalt-enhanced substrate and protective oxide finish extend tool life in tougher materials and repetitive use.
This tap is ideal for automotive, general machining, and fabrication environments where BSF 1/2-16 threads in through-holes are required. It delivers dependable, consistent threads while helping to minimize rework, thanks to its combination of robust material, effective coating, and chip-control geometry.
Part Numbers
- Protool Part Number
- OSG-22107354
- 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 Point HSS-E - Steam Oxide Coated - Through Hole
View full collection →You are viewing OSG-22107354. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22107554 | 3/16 | 32 | 16 | 5 | 58 | £21.71 | 1-2 days | |
| OSG-22107564 | 7/32 | 28 | 17 | 5.6 | 62 | £30.42 | 1-2 days | |
| OSG-22107314 | 1/4 | 26 | 19 | 6.3 | 66 | £18.26 | In Stock | |
| OSG-22107574 | 9/32 | 26 | 19 | 7.1 | 66 | £42.15 | 1-2 days | |
| OSG-22107324 | 5/16 | 22 | 22 | 8 | 72 | £20.51 | In Stock | |
| OSG-22107334 | 3/8 | 20 | 24 | 10 | 80 | £25.81 | In Stock | |
| OSG-22107344 | 7/16 | 18 | 25 | 8 | 85 | £36.68 | In Stock | |
| OSG-22107354 Viewing | 1/2 | 16 | 29 | 9 | 89 | £36.94 | In Stock | |
| OSG-22107364 | 9/16 | 16 | 30 | 11.2 | 95 | £49.11 | In Stock | |
| OSG-22107374 | 5/8 | 14 | 32 | 12.5 | 102 | £55.89 | In Stock | |
| OSG-T311068714 | 11/16 | 14 | 37 | 14 | 112 | £115.57 | 1-2 days | |
| OSG-22107394 | 3/4 | 12 | 37 | 14 | 112 | £83.43 | In Stock | |
| OSG-22107414 | 7/8 | 11 | 38 | 16 | 118 | £115.57 | 1-2 days | |
| OSG-22107424 | 1 | 10 | 45 | 18 | 130 | £137.32 | 1-2 days | |
| OSG-22107434 | 1.1/8 | 9 | 37 | 20 | 127 | £239.87 | 1-2 days | |
| OSG-22107444 | 1.1/4 | 9 | 37 | 22 | 137 | £307.66 | 1-2 days |
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