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OSG Threading Tap Metric Fine A-Spiral Flute - FORM E Powder Metal Right Hand -TiCN Coated - Blind Holes DIN371 - M3.5 x 0.35
| Size | M3.5 |
| Pitch | 0.35 |
| Overall Length | 56 |
| Threading Length | 4.8 |
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Description
Engineered for precision blind-hole threading in metric fine pitches, the OSG Threading Tap delivers reliable performance for professional machinists. Its TiCN-coated, powder metal body and FORM E geometry optimize cutting action and thread quality.
- Size & Geometry: Metric fine thread M3.5 x 0.35, right-hand threading, designed for DIN371 blind-hole applications.
- Flute Design: A-Spiral flute aids efficient chip evacuation in blind holes, supporting consistent, clog-free cutting.
- Material: Powder metal substrate combines wear resistance with toughness for durable tapping tools.
- Coating: TiCN coating increases surface hardness and lowers friction to extend tool life and performance.
- Application: Optimized for high-precision tapping in blind holes across metal components and assemblies.
- Direction: Right-hand thread for standard tapping operations.
The combination of FORM E geometry and the TiCN-coated powder metal body translates to cleaner thread starts, tighter tolerances, and longer service life in demanding blind-hole tasks. The spiral flute and advanced coating work together to reduce heat and wear during high-speed tapping, improving cycle times and overall productivity. This tap is ideal for technicians and shops that require repeatable, high-quality metric threads in compact or recessed features without sacrificing tool longevity.
Part Numbers
- Protool Part Number
- OSG-48203143
- 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 Fine A-Spiral Flute - FORM E Powder Metal Right Hand -TiCN Coated - Blind Holes
View full collection →You are viewing OSG-48203143. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48203135 | M2.5 | 0.35 | 50 | 2.8 | 2 | 371 | £43.76 | 1-2 days | |
| OSG-48203137 | M2.6 | 0.35 | 50 | 2.8 | 2 | 371 | £41.04 | 1-2 days | |
| OSG-48203141 | M3 | 0.35 | 56 | 3.5 | 3 | 371 | £38.32 | 1-2 days | |
| OSG-48203143 Viewing | M3.5 | 0.35 | 56 | 4 | 3 | 371 | £58.31 | 1-2 days | |
| OSG-48203146 | M4 | 0.35 | 63 | 4.5 | 3 | 371 | £39.85 | 1-2 days | |
| OSG-48203145 | M4 | 0.5 | 63 | 4.5 | 3 | 371 | £39.85 | 1-2 days | |
| OSG-48203148 | M4.5 | 0.5 | 70 | 6 | 3 | 371 | £52.75 | 1-2 days | |
| OSG-48203151 | M5 | 0.5 | 70 | 6 | 3 | 371 | £40.57 | 1-2 days | |
| OSG-48203602 | M6 | 0.5 | 80 | 6 | 3 | 371 | £48.50 | 1-2 days | |
| OSG-48203601 | M6 | 0.75 | 80 | 6 | 3 | 371 | £48.50 | 1-2 days | |
| OSG-48203160 | M7 | 0.75 | 80 | 7 | 3 | 371 | £55.24 | 1-2 days | |
| OSG-48203604 | M8 | 0.75 | 80 | 8 | 3 | 371 | £51.22 | 1-2 days | |
| OSG-48203603 | M8 | 1 | 90 | 8 | 3 | 371 | £54.07 | 1-2 days | |
| OSG-48203605 | M9 | 1 | 90 | 9 | 3 | 371 | £63.76 | 1-2 days | |
| OSG-48203608 | M10 | 0.75 | 90 | 10 | 3 | 371 | £59.74 | 1-2 days | |
| OSG-48203607 | M10 | 1 | 90 | 10 | 3 | 371 | £57.02 | 1-2 days | |
| OSG-48203606 | M10 | 1.25 | 100 | 10 | 3 | 371 | £55.95 | 1-2 days | |
| OSG-48203157 | M6 | 0.5 | 80 | 4.5 | 3 | 374 | £48.50 | 1-2 days | |
| OSG-48203156 | M6 | 0.75 | 80 | 4.5 | 3 | 374 | £48.50 | 1-2 days | |
| OSG-48203163 | M8 | 0.75 | 80 | 6 | 3 | 374 | £51.22 | 1-2 days | |
| OSG-48203162 | M8 | 1 | 90 | 6 | 3 | 374 | £54.07 | 1-2 days | |
| OSG-48203167 | M9 | 1 | 90 | 7 | 3 | 374 | £63.76 | 1-2 days | |
| OSG-48203172 | M10 | 0.75 | 90 | 7 | 3 | 374 | £59.74 | 1-2 days | |
| OSG-48203171 | M10 | 1 | 90 | 7 | 3 | 374 | £57.02 | 1-2 days | |
| OSG-48203170 | M10 | 1.25 | 100 | 7 | 3 | 374 | £55.95 | 1-2 days | |
| OSG-48203176 | M11 | 1 | 90 | 8 | 3 | 374 | £112.24 | 1-2 days | |
| OSG-48203182 | M12 | 1 | 100 | 9 | 3 | 374 | £65.42 | 1-2 days | |
| OSG-48203181 | M12 | 1.25 | 100 | 9 | 3 | 374 | £65.42 | 1-2 days | |
| OSG-48203180 | M12 | 1.5 | 100 | 9 | 3 | 374 | £68.25 | 1-2 days | |
| OSG-48203194 | M14 | 1 | 100 | 11 | 3 | 374 | £99.35 | 1-2 days | |
| OSG-48203193 | M14 | 1.25 | 100 | 11 | 3 | 374 | £99.35 | 1-2 days | |
| OSG-48203192 | M14 | 1.5 | 100 | 11 | 3 | 374 | £84.32 | 1-2 days | |
| OSG-48203204 | M16 | 1 | 100 | 12 | 3 | 374 | £104.09 | 1-2 days | |
| OSG-48203203 | M16 | 1.5 | 100 | 12 | 3 | 374 | £97.58 | 1-2 days | |
| OSG-48203218 | M18 | 1 | 110 | 14 | 4 | 374 | £132.96 | 1-2 days | |
| OSG-48203216 | M18 | 1.5 | 110 | 14 | 4 | 374 | £112.60 | 1-2 days | |
| OSG-48203232 | M20 | 1 | 125 | 16 | 4 | 374 | £166.78 | 1-2 days | |
| OSG-48203230 | M20 | 1.5 | 125 | 16 | 4 | 374 | £140.87 | 1-2 days | |
| OSG-48203220 | M20 | 2 | 140 | 16 | 4 | 374 | £166.78 | 1-2 days | |
| OSG-48203241 | M22 | 1 | 125 | 18 | 4 | 374 | £182.38 | 1-2 days | |
| OSG-48203240 | M22 | 1.5 | 125 | 18 | 4 | 374 | £146.19 | 1-2 days | |
| OSG-48203239 | M22 | 2 | 140 | 18 | 4 | 374 | £182.38 | 1-2 days | |
| OSG-48203251 | M24 | 1 | 140 | 18 | 4 | 374 | £223.90 | 1-2 days | |
| OSG-48203250 | M24 | 1.5 | 140 | 18 | 4 | 374 | £191.86 | 1-2 days | |
| OSG-48203249 | M24 | 2 | 140 | 18 | 4 | 374 | £223.90 | 1-2 days |
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