
Bosch BL21A 21 pc. Black Oxide Metal Drill Bit Set
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Bosch BL21A Description
Bosch Black Oxide Metal Drill Bits have been designed to satisfy contractors, electricians and other pros who need solid, reliable bits for general-application drilling in wood, plastic and light-gauge metal. The split-point tip has been engineered for no-skate starts and clean, accurate holes. The bit provides longer life than standard drill bits, thanks to the tip design and black oxide coating. The three-flat shank design on bits 3/16 In. and larger promotes better gripping and guards against slipping.
Bosch BL21A Includes
- (2) 1/16"
- (2) 5/64"
- (1) 3/32"
- (1) 7/64"
- (2) 1/8"
- (1) 9/64"
- (1) 5/32"
- (1) 11/64"
- (2) 3/16"
- (1) 13/64"
- (1) 7/32"
- (1) 15/64"
- (2) 1/4"
- (1) 5/16"
- (1) 3/8"
- (1) 1/2"
Bosch BL21A Features
- No-skate tip – for clean and accurate starts
- Black oxide coating – generates less friction
- Three-flat shank – promotes better grip on bits 3/16 In. and larger
- Universal drilling applications – designed for general-purpose use
- High visibility marking – provide clearly marked diameter
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