CLEVELAND C70370 15PC NAS907 Type C Heavy-Duty Screw Machine Dril Set Cleveland

The CLEVELAND - C70370 is a screw machine drill bit set containing 15 high speed steel bits intended for machining a wide range of materials. The set features fractional inch sizes ranging from 1/16 inch to 1/2 inch with screw-machine length, Each drill bit has a split point type (135°) and two flutes for cutting with a right-hand cutting direction. The drill bits come in a metal index case and conform to the NAS 907 Type C standard.
Key Features:

• - Drill bit sizes included: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", and 1/2".
• - Overall lengths vary from 1.625" to 3.750" depending on size.
• - Heavy duty high speed steel construction with a bright (uncoated) finish.
• - Spiral flute design with a helix angle ranging from 21° to 34°.
• - Straight shank design with diameters matching drill bit sizes for compatibility with standard collets or chucks.
• - Depth-to-diameter ratio of 4:1 suitable for typical precision drilling.
• - Non-coolant-fed drill bits with right-hand cutting direction.
• - Supplied in a metal drill index case for organization and storage.

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