CLE-LINE C21160 15PC 135 Degree Heavy-Duty Mechanics Length Dril Set Cle-Line

The CLE-LINE C21160 is a mechanics-length drill bit set featuring 15 pieces with fractional inch sizes ranging from 1/16 inch to 1/2 inch. Made from high speed steel with a black oxide finish, these drill bits have split-point tips and are intended for drilling applications using materials suitable for high-speed steel (HSS) drill bits. The set comes in a metal index case and includes drill bits with a straight shank featuring three flats for chuck gripping.

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", 1/2".
• - 2-flute spiral design with helix angles between 21° and 34°.
• - Point angle of 135 degrees and split-point tip for starting accuracy.
• - Mechanics-length drill bits with a 4x depth-to-diameter ratio.
• - Straight shank featuring three flats for chuck gripping.
• - Non-coolant through design; coolant must be applied externally.
• - Measurement system: Fractional inch.
• - Included metal drill bit index for organized storage.

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