#23 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com vibration polishing

vibration polishing

Part Number: 50C425WASS/316

and a detent pin hole on one side allows you to decide whether to engage the pin

The interior well of the socket extends fully into the socket

(This assortment does not come with the original black box)

#23 x 12" Cobalt Aircraft Extension Drill Bit BoltsandNuts.com vibration polishingProduct 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. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling