7/16" HSS Quick Change Hex Shank Drill Bit Quantity:1 US Patent #D7287285 | #D514771

US Patent #D7287285 | #D514771

The hex bit holder allows you to use 1/4 inch hex shank bits with 1/2 inch drive tools

Part Number: Assortment Kit #563575 Pieces - Coarse Thread

The jaws are made from 4140 chromium molybdenum steel

7/16" HSS Quick Change Hex Shank Drill Bit Quantity:1 US Patent #D7287285 | #D514771Product Description KFDHEX Quick Change Drill Bits are designed for use in hand held and impact drills. KFD Killer Force Drill Bits are manufactured from M2 premium grade high speed steel and for use in a wide range of materials in the iron and steel families such aluminum, iron, stainless steel and other hard metal drilling. They can also be used on softer materials such as wood, plastic, brass and bronze. These Drill bits have a 135 split point tip