1/4-Inch Cobalt Steel M35 Left Hand Drill Bit for Removing Damaged Bolts and Screws, Pack of 3

1/4-Inch Cobalt Steel M35 Left Hand Drill Bit for Removing Damaged Bolts and Screws, Pack of 3

DIMENSION: 1/4-inch cutting diameter, 1-3/4-inch flute length, 3-5/16-inch overall length, 135 degree split point, straight shank MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits APPLICATION: best used for removing damaged bolts and screws, or drilling a pilot hole for a screw extractor INCLUDE: 3 pieces of 1/4-inch cobalt left hand drill bits with case Drill Hulk cobalt M35 left hand drill bits are made from high-speed steel and 5% cobalt. The addition of cobalt improves strong durable performance in harder materials. Made in China. You Will Get: 3 pieces of 1/4-inch x 3-5/16-inch cobalt left hand drill bits with case. Warning: Drill bits can shatter during use. Always wear safety goggles and safety items when drilling.