Masonry Drillbit #5 Original Irwin Brand

Masonry Drillbit #5 Original Irwin Brand

Masonry Drillbit #5 Original Irwin Brand

Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Drill bits come in many sizes and have many uses. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.

The shank is the part of the drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other.

Drill bits come in standard sizes, described in the drill bit sizes article. A comprehensive drill bit and tap size chart lists metric and imperialsized drill bits alongside the required screw tap sizes.

The term drill may refer to either a drilling machine or a drill bit for use in a drilling machine. In this article, for clarity, drill bit or bit is used throughout to refer to a bit for use in a drilling machine, and drill refers always to a drilling machine.

Exceptionally, specially-shaped bits can cut holes of non-circular cross-section; a square cross-section is possible.

IRWIN Multi-Material drill bits drill through just about any type of materi


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