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OSG Threading Tap BSF A-Spiral Point - Powder Metal Right Hand -TiCN Coated - Through Holes DIN2184-1 - 3/8 x 20
| Size | 3/8 |
| Pitch | 20 |
| Overall Length | 100 |
| Threading Length | 24 |
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Description
The OSG BSF A-Spiral Point Threading Tap is a precision tool designed for through-hole British Standard Fine threads, ideal for machinists and metal fabricators who demand consistent, reliable tapping performance. Built with a powder-metal body and TiCN coating, it delivers durability and high-speed capability for demanding applications.
- Size and Thread: 3/8" x 20 BSF through-hole threading; DIN2184-1 compatible
- A-Spiral Point Design: Directs chips forward to reduce clogging and maintain smooth, continuous tapping
- Material: Powder-metal construction for enhanced strength, wear resistance, and heat tolerance
- Coating: TiCN coating lowers friction and extends tool life, supporting higher cutting speeds
- Thread Direction: Right-hand threading for standard BSF applications
- Hole Type: Specifically optimized for through-hole tapping to ensure consistent thread quality
This tap improves productivity by promoting efficient chip evacuation, reducing the need for rework, and delivering repeatable thread dimensions across production runs. The combination of powder-metal substrate and TiCN coating provides durability in demanding cutting conditions, helping maintain sharpness and performance over time. Ideal for shops and manufacturing environments that require robust, precise BSF threading in through-holes with minimal downtime and dependable results.
Part Numbers
- Protool Part Number
- OSG-48205733
- 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 A-Spiral Point - Powder Metal Right Hand -TiCN Coated - Through Holes
View full collection →You are viewing OSG-48205733. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48205731 | 1/4 | 26 | 80 | 7 | 3 | 2184-1 | £50.71 | In Stock | |
| OSG-48205732 | 5/16 | 22 | 90 | 8 | 3 | 2184-1 | £54.18 | In Stock | |
| OSG-48205733 Viewing | 3/8 | 20 | 100 | 10 | 3 | 2184-1 | £58.69 | In Stock | |
| OSG-48205734 | 7/16 | 18 | 100 | 8 | 3 | 2184-1 | £73.89 | In Stock | |
| OSG-48205735 | 1/2 | 16 | 100 | 9 | 3 | 2184-1 | £70.14 | In Stock | |
| OSG-48205737 | 5/8 | 14 | 110 | 12 | 3 | 2184-1 | £95.96 | In Stock | |
| OSG-48205739 | 3/4 | 12 | 125 | 14 | 3 | 2184-1 | £128.59 | In Stock | |
| OSG-48205742 | 1 | 10 | 160 | 18 | 3 | 2184-1 | £226.46 | In Stock |
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