Feature

●Size: 0.4 inches (9.3 mm); Dimensions: Total length 2.4 inches (61 mm) x groove length 1.3 inches (34 mm) x shaft diameter 0.2
●Applicable models: Electric drill, Suitable rotational speed: less than 6,000 rpm
●Note: For safety, use with an electric drill less than 6000 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
●Chuck Size: 0.2 inches (6.5 mm)
●Material: Normal steel; Made in Japan


Description

With a stopper, even if there is no stopper in the electric drill, the hole depth is 1.3 inches (34 mm).
Perfect for drilling holes in shiitake bacteria.

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