Feature

●Size: 0.4 inches (9.3 mm); Dimensions: Total length 3.0 inches (76 mm) x groove length 1.2 inches (31 mm) x chuck diameter 0.25
●Applicable models: Impact screwdriver/electric drill; Suitable rotational speed: less than 2,400 rpm
●Note: For safety, please use with an impact driver or electric drill less than 2,400 rpm. The tip has a tip screw, so there is no need to push it in. Forced to increase resistance and may cause damage to cramps
●Hex Shaft: 0.25 inches (6.35 mm)
●Material: Normal steel; Made in Japan


Description

With a stopper, the hole depth of 1.2 inches (31 mm) can be fixed even if there is no stopper in the impact driver or electric drill.
Perfect for drilling holes in shiitake bacteria.

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