Description
Geometry of the drill bit head with a self-homing threaded cone enables you to guide the drill bit until the hole is drilled
Ground edges of the head allows you to drill quickly without the need of applying much force
Very wide and deep spiral allows you to remove a great amount of chippings, which increases drilling speed
Made of high-quality hardened alloy steel, which ensure high durability
Profile of the coil with a single groove ensures a smoother hole surface
Hexagonal end of the drill bit prevents rotating inside the drill chuck
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