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OSG Threading Tap Metric A-Spiral Point - LH Powder Metal Left Hand -TiCN Coated - Through Holes DIN371 - M4 x 0.7
| Size | M4 |
| Pitch | 0.7 |
| Overall Length | 63 |
| Threading Length | 13 |
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Description
The OSG Threading Tap Metric A-Spiral Point - LH Powder Metal Left Hand - TiCN Coated - Through Holes are precision taps built for left-handed metric threading in through-hole applications. Crafted from powder metal and finished with a TiCN coating, they deliver durable, reliable performance with cleaner, consistent threads.
- Left-Hand Threading Capability: Specifically designed for left-handed metric threads in through-holes, enabling reverse-threading with dependable results.
- Material: Powder metal body that combines toughness with good heat resistance for demanding tapping tasks.
- TiCN Coating: Reduces friction and wear, extending tool life while aiding chip evacuation during cutting.
- A-Spiral Point Design: Efficiently pushes chips forward to minimize clogging and produce clean thread profiles.
- Through-Hole Compatibility: Engineered for through-hole DIN371 applications, ensuring consistent alignment and fit.
- Size: M4 x 0.7 thread pitch, a common metric size suitable for a wide range of components.
These taps empower precise, repeatable left-handed threading with improved tool life and smoother operation. The combination of TiCN coating and powder metal construction helps withstand wear and heat, delivering reliable performance over longer runs. The A-Spiral Point and through-hole DIN371 design work together to produce clean threads with minimal chip buildup, reducing rework and downtime in production environments.
Part Numbers
- Protool Part Number
- OSG-48218144
- 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 - LH Powder Metal Left Hand -TiCN Coated - Through Holes
View full collection →You are viewing OSG-48218144. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48218138 | M3 | 0.5 | 56 | 3.5 | 3 | 371 | £48.96 | In Stock | |
| OSG-48218144 Viewing | M4 | 0.7 | 63 | 4.5 | 3 | 371 | £50.32 | In Stock | |
| OSG-48218149 | M5 | 0.8 | 70 | 6 | 3 | 371 | £51.69 | In Stock | |
| OSG-48218155 | M6 | 1 | 80 | 6 | 3 | 371 | £52.26 | In Stock | |
| OSG-48218161 | M8 | 1.25 | 90 | 8 | 3 | 371 | £62.73 | In Stock | |
| OSG-48218169 | M10 | 1.5 | 100 | 10 | 3 | 371 | £76.68 | In Stock | |
| OSG-48218179 | M12 | 1.75 | 110 | 9 | 3 | 376 | £96.28 | In Stock | |
| OSG-48218191 | M14 | 2 | 110 | 11 | 3 | 376 | £114.88 | In Stock | |
| OSG-48218202 | M16 | 2 | 110 | 12 | 3 | 376 | £134.93 | In Stock | |
| OSG-48218214 | M18 | 2.5 | 125 | 14 | 3 | 376 | £182.53 | In Stock | |
| OSG-48218228 | M20 | 2.5 | 140 | 16 | 3 | 376 | £216.27 | In Stock | |
| OSG-48218238 | M22 | 2.5 | 140 | 18 | 3 | 376 | £235.88 | In Stock | |
| OSG-48218247 | M24 | 3 | 160 | 18 | 3 | 376 | £289.80 | In Stock |
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