Cle-Line C21160

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.