High Speed Steel Extra Long Drill Bit, 3/8", Steam Oxide Finish
These extended-length drill bits meet National Aerospace Standards (NAS) 907 Type B for drill bits used in aircraft repair and production. They have a black-oxide finish that retains lubricants to improve their wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece. These bits do not have coolant holes, so a separate hose is required to bring coolant to the bits' tip if it is needed.
|Grainger Dropship||406X85||Drill Bit,Sz 3/8",HSS,|
|VMRS (ATA) CODES||053-006-009||Drill Bit,Sz 3/8",HSS,|
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