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Vortex 5C Imperial Lathe collet - Hex - 7/16"
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Description
The Vortex 5C Imperial Lathe Collet in Hex 7/16" is an emergency, re-boreable solution for machinists who need flexible, precise gripping in a 5C lathe chuck. Designed to adapt to hex-shaped components, it delivers reliable performance when standard collets aren’t a perfect fit.

- 5C Emergency Collet: Soft construction that can be bored to size, depth, taper, or shape to match a specific component.
- 13–15 Micron Runout: Ensures tight concentricity and improves accuracy during turning of hex workpieces.
- Pins to Keep Bore Open: Pins are fitted to hold the collet open during the boring operation in a 5C lathe collet chuck.
- Re-boreable Design: Can be bored many times over to accommodate larger parts as needs change—no need to discard the pins.
- Hex 7/16" Compatibility: Specifically built to grip hex-shaped workpieces with a 7/16" size profile.
- 5C Lathe Chuck Ready: Optimized for use with standard 5C lathe collet chucks in imperial measurements.
This collet provides practical flexibility for workflows that require custom-fitting hex components. It solves the challenge of out-of-standard sizes by allowing precise rework to final dimensions, while the open-bore design with pins keeps operations smooth and predictable during boring. Re-boring capability means it can grow with your projects, reducing downtime and the need for additional tooling.
Part Numbers
- Protool Part Number
- PRO1900085
- Brand
- Vortex
- Category
- 5C Collet
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: Vortex 5C Imperial Lathe collets - Hex
View full collection →You are viewing PRO1900085. Click any other SKU to view its full details.
| Product SKU | Collet Size | Price | Stock | Order |
|---|---|---|---|---|
| PRO1900082 | 1/4 | £65.63 | 4-6 weeks | |
| PRO1900083 | 5/16 | £30.00 | 4-6 weeks | |
| PRO1900084 | 3/8 | £30.00 | In Stock | |
| PRO1900085 Viewing | 7/16 | £30.00 | 4-6 weeks | |
| PRO1900086 | 1/2 | £30.00 | 4-6 weeks | |
| PRO1900090 | 3/4 | £30.00 | 4-6 weeks |
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