Fractional - Cobalt
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TopLine 1/2 in. x 12 in. Cobalt Aircraft Extension Drill Bit 1pcs M35 Grade
MSRP: $41.03$31.56TopLine Cutting Tools
High production grade M36 Extra Long Length Aircraft, or ACX extension drills are made with 5% cobalt and are ground from a solid blank. This type of drill is used in high tensile material such as stainless and titanium. Size: 1/2" Overall Length:...MSRP: $41.03$31.56 -
TopLine 1/2 in. x 12 in. HSS Aircraft Extension Drill Bit 1pcs Black Finish M2 Grade
MSRP: $27.91$21.47TopLine Cutting Tools
Production grade M2 high speed steel Extra Long Length Aircraft, or ACX extension drills are ground from a solid blank. Suitable for steel, wood, plastic. Size: 1/2" Overall Length: 12" 135 degree point. Black Oxide FinishMSRP: $27.91$21.47 -
TopLine 1/2 in. x 6 in. HSS Aircraft Extension Drill Bit 1pcs Black Finish M2 Grade
MSRP: $15.07$11.59TopLine Cutting Tools
Production grade M2 high speed steel Extra Long Length Aircraft, or ACX extension drills are ground from a solid blank. Suitable for steel, wood, plastic. Size: 1/2" Overall Length: 6" 135 degree point. Black Oxide FinishMSRP: $15.07$11.59
High production grade M42 Cobalt Jobbers Length drills are made with 8% cobalt and are ground from a solid blank.
This type of drill is used in high tensile material such as stainless and titanium.
1/16" and larger have a 135 degree split point.
Fractional 3/64"-5/16"