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Rocky Mountain Twist - 1/16 to 1/2", 135° Point, Bright Finish, Cobalt Jobber Length Drill Bit Set - USA Tool & Supply

Rocky Mountain Twist - 1/16 to 1/2", 135° Point, Bright Finish, Cobalt Jobber Length Drill Bit Set


Item #: 57639007
Brand: Rocky Mountain Twist
Model #: 95090874

Features and Benefits

Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Straight shanks are used for general purpose applications. The shank is smaller than the drill bit diameter. They are used with portable drills and drill presses on ferrous and non-ferrous materials.
Product Specifications
System of Measurement Inch
Drill Bit Material Cobalt
Drill Bit Set Type Jobber Length Drill Bits
Minimum Drill Bit Size (Decimal Inch) 0.0400
Minimum Drill Bit Size (Inch) 1/16
Minimum Drill Bit Size (Letter) A
Minimum Drill Bit Size (Wire) #60
Maximum Drill Bit Size (Wire) #1
Maximum Drill Bit Size (Decimal Inch) 0.5000
Maximum Drill Bit Size (Inch) 1/2
Maximum Drill Bit Size (Letter) Z
Drill Point Angle 135
Number of Pieces 115
Drill Bit Finish/Coating Bright
Drill Bit Size2 (Decimal Inch) 0.0400; 0.0410; 0.0420; 0.0430; 0.0465; 0.0520; 0.0550; 0.0595; 0.0635; 0.0670; 0.0700; 0.0730; 0.0760; 0.0785; 0.0810; 0.0820; 0.0860; 0.0890; 0.0935; 0.0960; 0.0980; 0.0995; 0.1015
Drill Bit Size (Wire) #1 to #60
Drill Bit Size (Inch) 1/16; 5/64; 3/32; 7/64; 1/8; 9/64; 5/32; 11/64; 3/16; 13/64; 7/32; 15/64; 1/4; 17/64; 9/32; 19/64; 5/16; 21/64; 11/32; 23/64; 3/8; 25/64; 13/32; 27/64; 7/16; 29/64; 15/32; 31/64; 1/2
Material Set Type Metalworking/Multipurpose Drill Bits
Point Type Split Point
Step Increments (Inch) 1/64
Set Includes (115) Jobber Length Drills
Shank Type Straight
PSC Code 5133
Storage Unit Type Case
Storage Unit Material Metal
Through Coolant No
$1,350.54

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