Masonry drill bit

Details Masonry drill bit Masonry drill bit

B - Operations, Transporting

23

P

B23P 15/32 (2006.01) B23B 51/02 (2006.01) E21B 10/44 (2006.01) E21B 10/58 (2006.01)

Patent

CA 2181754

A masonry drill bit 1 having an active diameter of D, comprising a shaft 3 and a tip 5 for engaging a workpiece, the tip 5 including a central portion 11 extending ahead of an outer portion 13, wherein the central portion 11 has a width of at least 0.25D and is shaped to act as a chisel during percussion drilling, and wherein the outer portion 13 is shaped to cut a workpiece as the drill bit rotates. By virtue of the drill bit tip 5 configuration as described and claimed herein, a masonry drill bit 1 having improved performance is provided.

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