CLE-LINE C21104 13PC 118 Degree General Purpose Jobber Length Drill Set

The CLE-LINE C21104 is a jobber length drill bit set comprising 13 high speed steel bits for use in applications requiring straight shank, right-hand spiral drill bits. The bits range in size from 1/16 inch to 1/4 inch, measured in fractional inches, and have a straight shank and a right-hand spiral (two-flute) cutting geometry. This set meets ISO material application codes K, N, P for aluminum, cast iron, and steel. The bits have a variable helix angle between 21 and 34 degrees, with a bright, uncoated finish.

Key Features:

• - Drill bit sizes included: 1/16", 1/8", 3/32", 5/64", 7/64", 9/64", 5/32", 11/64", 13/64", 15/64", 3/16", 7/32", 1/4".
• - Overall lengths vary from 1 7/8" to 4".
• - Two-flute spiral design for chip evacuation.
• - Recommended cut depth-to-diameter ratio of 4xD
• - Non-coolant through design; use external cooling when required for the specific drilling application and operating conditions
• - Drill diameter tolerance ranges from +0.0000"/-0.0005" to +0.0000"/-0.0007".
• - Part of the 1898 series with list number 1898.