1/5
Extra long 170 mm extension for Forstner drill bits with 3/8" shank, extension shank for particularly deep milling and drilling
Sold by HYPERDROP
Product information
Description
Extends any Forstner bit by an additional 137 mm, helping you use standard Forstner bits to drill flat-bottomed holes or start deep-hole turning projects, such as on larger vases or containers;
The collet's inner diameter is 10.5 mm. This tolerance is very tight and designed to accept Forstner bits with shank sizes of 10 mm, 9.5 mm, or slightly smaller;
Constructed from high-carbon steel, precision ground and polished, ensuring strength and durability;
Includes two set screws and a hex key. To secure the shank in place, use the hex key to tighten these screws;
Triangular shank diameter: 9.5 mm, overall length: 170 mm, extension length: 137 mm.
Features
- BrandSEVENGIRL
- MaterialSteel
- Chuck tighteningManual tightening with key
- Compatible drillStandard drill
- ManoMano ReferenceME100654569
Advice from
Drill buying guide
From hammer drills to drill drivers, your choice of drill will come down to the type of tasks you want to complete. For example, a cordless drill is better for driving screws while a corded drill is best suited to drilling. Read on for our tips on picking the right torque, RPM, impact rate, battery and chuck type.
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