29 Piece HSS Contractor Bit Cooler Drill Bit Set, 1/16" - 1/2" BoltsandNuts.com the geometry of each opening

the geometry of each opening contacts and applies force to the flat sides of fastener heads rather than the corners • No Skipped Sizes – This set contains every size from 1/4 inch to 1 - 1/4 inch

Size 1-5/8"

Ideal for plumbing and mechanical work

Part Number DWTSR3-1788

Part Number BRCT220

29 Piece HSS Contractor Bit Cooler Drill Bit Set, 1/16" - 1/2" BoltsandNuts.com the geometry of each openingProduct Description Contractor grade drill bit manufactured from M1 High Speed Steel and for use in a wide range of materials in the iron and steel families such aluminum, iron, steel and other metal drilling. Contractor Drill Bits have a 135 degree split point tip for self centering and reducing thrust. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. The 3 Flat shank creates an extra secure hold in your chuck. They