Features:
- IØ: 12 mm
- O-Ø: 22 mm
- SØ: 13 mm
- OAL: 400 mm
- Effective L.: 360 mm
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Extension shank
Quality classification: Classic
The description of the tool design: Ø of the shank 10 mm, or 13 x 30 mm. With 4 attachment screws for fixing. Solid quality. The shank of Ø 13 mm has 3 clamping surfaces
Tool material: Tool steel
Recommended r.p.m. and specific example for the most common diameters in the according field of application: in combination with extentions please use less speed
Description of application: For the extension of all cylinder boring bits or all tools with Ø of shank 8, 10, 12, 13 mm
Practical advice and specialty of the tool: Perfect for drilling deep holes, also for turning. Only limited fit for drilling end grain (especially hardwood) because there is considerable strain on the drill chuck