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OSG Threading Tap Metric A-Spiral Point - HB Weldon Powder Metal Right Hand -TiCN Coated - Through Holes DIN371/1835 - M12 x 1.75
| Size | M12 |
| Pitch | 1.75 |
| Overall Length | 110 |
| Threading Length | 28 |
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Description
The OSG Threading Tap is a metric A-Spiral Point tap designed for through-hole threading in demanding production environments. Built for reliability in M12 x 1.75 through-holes, it combines high-strength powder metal with a TiCN coating and a secure HB Weldon shank for steady performance.
- Material: Powder metal body delivers enhanced wear and heat resistance for long tool life.
- Coating: TiCN coating reduces friction, improves chip control, and extends tool life in tough materials.
- Shank: HB Weldon shank provides superior retention in chucks and fixtures under high torque.
- Thread design: A-Spiral Point geometry efficiently pushes chips forward for clean, accurate threads in through-holes.
- Through-hole compatibility: Optimized for DIN371/1835 through-hole applications, ensuring correct alignment and performance.
- Size and direction: Metric M12 x 1.75, right-hand thread for standard assembly and reliable threading.
This tap supports consistent thread quality, reduces wear-related downtime, and delivers dependable performance across a range of materials. With its combination of durable construction, low-friction coating, and retention-focused shank, it’s well-suited for high-volume tapping tasks in automotive, machinery, and general manufacturing settings. For operators seeking repeatable results in through-hole projects, this OSG tap offers precision, longevity, and ease of use.
Part Numbers
- Protool Part Number
- OSG-48221179
- 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 Metric A-Spiral Point - HB Weldon Powder Metal Right Hand -TiCN Coated - Through Holes
View full collection →You are viewing OSG-48221179. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48221138 | M3 | 0.5 | 56 | 6 | 3 | 371/1835 | £32.60 | In Stock | |
| OSG-48221144 | M4 | 0.7 | 63 | 6 | 3 | 371/1835 | £33.42 | In Stock | |
| OSG-48221149 | M5 | 0.8 | 70 | 6 | 3 | 371/1835 | £34.32 | In Stock | |
| OSG-48221155 | M6 | 1 | 80 | 6 | 3 | 371/1835 | £34.72 | In Stock | |
| OSG-48221161 | M8 | 1.25 | 90 | 8 | 3 | 371/1835 | £41.66 | In Stock | |
| OSG-48221169 | M10 | 1.5 | 100 | 10 | 3 | 371/1835 | £50.98 | In Stock | |
| OSG-48221179 Viewing | M12 | 1.75 | 110 | 12 | 3 | 371/1835 | £64.14 | In Stock | |
| OSG-48221191 | M14 | 2 | 110 | 14 | 3 | 371/1835 | £76.42 | In Stock | |
| OSG-48221202 | M16 | 2 | 110 | 16 | 3 | 371/1835 | £89.83 | In Stock |
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