1-3/8" Reduced Shank Drill Bit | HSS Black & Gold | Reduced 1/2" 3-Flat Shank | KFDRSD1-3/8 Hex Washer Head size 3/4-10 x 5-1/2"

size 3/4-10 x 5-1/2"

HSS core for heat tolerance during through-metal drilling and extended bit life

Thread Rolling / Thread Forming: creates clean

delivering durable fastening you can trust in demanding environments

standard coarse thread for quick

1-3/8" Reduced Shank Drill Bit | HSS Black & Gold | Reduced 1/2" 3-Flat Shank | KFDRSD1-3/8 Hex Washer Head size 3/4-10 x 5-1/2"Specs Diameter: 1 3 8" (35 mm) Shank: 1 2" reduced with 3 flat drive Material: High Speed Steel (HSS) Finish Coating: Black & Gold Quantity: 1 piece Brand Model: KFD Features Black & Gold coating provides wear resistance and heat management during extended drilling sessions. Reduced 1 2" 3 flat shank delivers secure chuck grip and minimizes slippage under high torque. Large diameter 1 3 8" bit enables efficient creation of sizable holes on suitable