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1-3/4" Flute Length
Drill America GLBCOX617 #17 X 6 Cobalt Aircraft Extension Drill Bit
Drill America GLBCOX617
Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.
Drill America
Price: $4.60
Drill America GLBCOX628 #28 X 6 Cobalt Aircraft Extension Drill Bit
Drill America GLBCOX628
Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.
Drill America
Price: $4.18
Drill America GLBCOX629 #29 X 6 Cobalt Aircraft Extension Drill Bit
Drill America GLBCOX629
Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.
Drill America
Price: $4.18
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