CHICAGO-LATROBE 69852 21PC 135 Degree Heavy-Duty Screw Machine Lngth Drill Set

The CHICAGO-LATROBE 69852 Screw Machine Drill Bit Set includes 21 fractional-inch drill bits in the stated size range from 1/16" to 3/8". Made from high speed steel (HSS), these right-hand cutting drill bits have a 135° split point and include a metal drill index for storage and size identification. The screw-machine length bits have a black oxide finish and two spiral flutes; helix angles 21°34°.

Key Features:

• - Number of pieces: 21 drill bits in assorted sizes from 1/16" to 3/8" by 64ths
• - Drill style: Screw machine length bits with straight shanks
• - Material: made from high speed steel (HSS)
• - Point type: 135° split point for reduced walking and accurate starts
• - Flutes: Two spiral flutes; helix angles 21°34°
• - Cutting direction: Right-hand rotation
• - Finish: Black oxide coating
• - Includes a metal drill index for storage and size identification
• - Complies with NAS 907 Type C (per manufacturer specification)
• - Size range: 1/16" to 3/8" fractional inch measurements included

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