CHICAGO-LATROBE 69882 Left-Hand Helix Jobber Length Drill Set Chicago-Latrobe

The CHICAGO-LATROBE 69882 is a jobber-length drill bit set consisting of 21 high speed steel bits intended for drilling applications in materials including aluminum, cast iron, and steel, using the specified bit sizes and geometry. The drill bits have a conventional 118-degree point and feature a left-hand spiral flute for drilling through materials such as aluminum, cast iron, and steel. Sizes range from 1/16 inch up to 3/8 inch in fractional increments. These bits are supplied in a metal index case for organized storage and selection of the included bits.
Key Features:

• - Contains 21 drill bits with sizes from 1/16" to 3/8" by 64ths.
• - High speed steel construction with a bright (uncoated) finish.
• - Jobber-length overall lengths range approximately from 1 7/8" to 4".
• - Features 2-flute, left-hand spiral design with helix angles between 21° and 34°.
• - Straight shank type with a 1/16" shank diameter.
• - Drill bit point type: conventional 118° angle.
• - Complies with ASME B94.11M-1993 standards.
• - Material application ISO codes: K, N, P indicating suitability for aluminum, cast iron, and steel.
• - Includes a metal drill index for bit storage and organization.

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