Cle-Line C21105

The CLE-LINE - C21105 is a jobber-length drill bit set intended for drilling operations in the materials and bit sizes specified. The set includes 13 high-speed steel bits with conventional points, ranging in size from 1/16 inch to 1/4 inch, measured in fractional inches. The bits have a right-hand spiral direction and straight shanks that conform to ASME B94.11M-1993 and DIN 338 specifications. The bits come housed in a metal index for organized storage. Key Features: - Drill bit sizes included: 1/16”, 5/64”, 3/32”, 7/64”, 1/8”, 9/64”, 5/32”, 11/64”, 3/16”, 13/64”, 7/32”, 15/64”, and 1/4”. - Overall length range: 1 7/8 in to 4 in (for included sizes). - Material: High-speed steel with a black oxide finish. - Point angle: 118 degrees with a conventional point type. - Two-flute spiral design with helix angles between 21 and 34 degrees. - Shank type: Straight, with a shank diameter matching drill bit sizes. - Depth-to-diameter ratio of 4x, classified as jobber length. - Cutting direction: Right-hand rotation. - Supplied in a metal drill index.