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VCOIL Thread Repair Workshop Kit - UNC - 1/4 - 1/2
| Tap | 1/4 x 20 5/16 x 20 3/8 x 16 7/16 x 14 1/2 x 13 |
| Drill | 6.7mm 8.3mm 9.9mm 11.6mm 13mm |
| Inserting Tool | No.9 No.10 No.21 No.14 No.15 |
| Wire Inserts | 95 |
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Description
Restore damaged internal threads quickly and reliably with the VCOIL UNC Thread Repair Workshop Kit. Perfect for maintenance, installation, and small-batch production, it combines durable stainless inserts with a compact case for fast, cost-effective repairs.
- UNC Thread Range: Internal thread repair kit covering common UNC sizes from 1/4" to 1/2" to match standard fasteners.
- DIN 8140 Stainless Steel Inserts: Wire thread inserts crafted from durable stainless steel, aligned to DIN 8140 with ISO 2 tolerance (6H) for a precise, long-lasting fit. Type S offers smooth, free-running threads.
- Thread Armour Plating: Specialized plating designed for materials with low shear strength, enhancing grip and extending the life of repaired threads.
- All-in-One Case: Curated assortment of the most popular dimensions stored in a compact, organized case for quick access and neat storage.
- Recovery Capability: Enables restoration of rejected or worn components, delivering a cost-effective solution and reducing waste.
- Durable Construction: High-stability, long-lasting internal threads designed for maintenance, installation, and small-series production.
Reclaim worn or damaged threads without replacing parts, cutting downtime and material waste. The kit’s stainless-steel inserts, DIN 8140 standard alignment, and ISO 2 6H tolerance deliver reliable, repeatable repairs for UNC fasteners, while Thread Armour Plating protects soft substrates. The organized case keeps popular sizes readily available, making maintenance, installations, and small production runs faster and more efficient.
Part Numbers
- Protool Part Number
- TC-04184
- Brand
- VCOIL
- Category
- Thread Repair Workshop Kit
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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: VCOIL Thread Repair Workshop Kits - UNC/UNF/BSW/BSF
View full collection →You are viewing TC-04184. Click any other SKU to view its full details.
| Product SKU | Tap | Drill | Inserting Tool | Wire Inserts | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| TC-04184 Viewing | 1/4 x 20 5/16 x 20 3/8 x 16 7/16 x 14 1/2 x 13 | 6.7mm 8.3mm 9.9mm 11.6mm 13mm | No.9 No.10 No.21 No.14 No.15 | 95 | £206.36 | 7 days | |
| TC-04185 | 1/4 x 28 5/16 x 24 3/8 x 24 7/16 x 20 1/2 x 20 | 6.7mm 8.3mm 9.8mm 11.5mm 13mm | No.9 No.11 No.13 No.14 No.15 | 95 | £206.36 | 7 days | |
| TC-04186 | 1/4 x 20 5/16 x 18 3/8 x 16 7/16 x 14 1/2 x12 | 6.7mm 8.3mm 9.9mm 11.5mm 13mm | No.9 No.11 No.12 No.14 No.15 | 95 | £206.36 | 7 days | |
| TC-04187 | 1/4 x 26 5/16 x 22 3/8 x 20 7/16 x 18 1/2 x 16 | 6.6mm 8.3mm 9.9mm 11.5mm 13mm | No.9 No.11 No.12 No.14 No.15 | 95 | £206.36 | 7 days |
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