The V-COIL rapid STI Twist Drill 10.3 mm is specifically designed for enlarging the core hole of worn or damaged internal threads. Thanks to its 1/4'' hex shank, the tool is perfectly suited for manual use or operation with a cordless drill.
Its compact size makes it extremely easy to handle, ideal for tight or hard-to-reach areas, and much smaller and more flexible than traditional repair systems.
The tool is also included in various V-COIL sets and assortments.
What is the twist drill used for?
It is used to precisely enlarge the core hole of a worn thread, preparing it for cutting a new STI thread insert.
Does it fit cordless drills?
Yes, the 1/4'' hex shank fits all standard cordless drills and quick-change chucks.
Is it suitable for tight spaces?
Absolutely – the compact design allows use where conventional drills cannot reach.
Can it be used manually?
Yes, its size and hex shank make it ideal for careful manual drilling.
Is it included in V-COIL sets?
Yes, it is included in several V-COIL repair kits and assortments.
How do I know the core hole has the correct size?
The diameter must match the STI core hole size. Measuring tools or a test-fit with an STI tap help verify accuracy.
Do you have questions or need assistance? Use our contact form to submit a non-binding inquiry.
| Size | D 10.3 mm |
|---|---|
| Overall length (L1) | 50 mm |
| Length (S2) | 35 mm |
| Drive connector | Hexagon 1/4" inch |
| EAN | 4022835034711 |
| Item number | 03471 |
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