1/2" Cobalt Taper Length Drill Bit BoltsandNuts.com The adjustment knob is knurled

The adjustment knob is knurled and round to provide grip for making adjustments even when you're wearing gloves or have slippery hands

• Remove and Install Spark Plugs – The thin walls and extended length of the socket allow you to reach deep into spark plug wells • Prevents Spark Plug Damage – Radiused corners on the 6-point socket opening prevent damage to a spark plug by applying force to the flat sides

Part Number: 75F175HCSSS/316

Shank Size 1-1/2"

1/2" Cobalt Taper Length Drill Bit BoltsandNuts.com The adjustment knob is knurledProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. These drill bits are taper length with a round shank for use in a wide range of tool holding systems. They have a 135 split point tip for fast penetration and accurate drilling.