ARMSTRONG HSS COBALT DRILL BIT (3/16, 5/32, 1/4, 1/8) SIZES:3/16" It's commonly used for medium

It's commonly used for medium sanding

High Level Oil

Nickel plated

Designed to withstand high-temperature environments while maintaining structural integrity

1 Pcs water inlet screw

ARMSTRONG HSS COBALT DRILL BIT (3/16, 5/32, 1/4, 1/8) SIZES:3/16" It's commonly used for mediumArmstrong cobalt drill bits are designed for drilling into tough metals like stainless steel and hardened steel. They are made from high speed steel with a cobalt alloy, which provides increased heat and abrasion resistance. These bits typically feature a 118 degree split point tip for accurate positioning and reduced drilling pressure. Armstrong cobalt drill bits are often sold in sets or by the tube. Key Features and Specifications: Material: Cobalt