Star M 28R-2140 carbide earl conical drill without drill 21×40

Star M 28R-2140 carbide earl conical drill without drill 21×40

Specifications: 13mm three grooves Size: guide diameter 21mm, cutter diameter 40mm Body: plain steel Blade: tungsten carbide tip

Product introduction Excavation for embedding screw washers [Uses] 21×40mm drill for embedding screw washers [Features] Teardown work to embed screw washers can be carried out Seatpost that matches the shape of the washer Can be used with electric drills Insert a guide into a hole that has already been opened and carry out mooring work [Notes] *Please use an electric tool at 1500 rev/min or less. From Amazon ● Special cone for seat drilling for embedding bolts, nuts, washers, etc.