5/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 6: Tools & Home Improvement

Description

See more product details Drill Hulk cobalt drill bits are made from high-speed steel and 5% cobalt. The addition of cobalt improves strong durable performance in harder materials especially stainless steel. Made in China You Will Get: 6 pieces of 5/16-inch. x 4-1/2-inch. cobalt drill bits with case Notice: For high-speed drilling through metal, lubricate the bit with lightweight oil. Warning: Drill bits can shatter during use. Always wear safety goggles and safety items when drilling.

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