33PC 1/2 Reduced Shank Silver & Deming Drill Set Chicago-Latrobe 190 Steam Oxide HSS 1/2-1IN MPN:69858

The CHICAGO-LATROBE 69858 Reduced Shank Drill Bit Set includes 33 high speed steel drill bits with general purpose 118-degree conventional points. Sizes: fractional inch 1/2 in to 1 in, in 1/64 in increments. These bits feature a straight reduced 1/2-inch shank. Each bit measures 6 inches in overall length with a flute length of 3 1/8 inches and a spiral flute type with a helix angle between 30 and 34 degrees. The set is supplied in a metal index case and has a black oxide finish.

Key Features:

• - 33-piece set with drill bit sizes from 1/2" to 1" by 1/64" increments
• - High speed steel (HSS) construction
• - Reduced straight shank diameter: 1/2 in
• - 2-flute spiral design with 118° conventional point angle
• - Overall length of 6" with a flute length of 3 1/8"
• - Black oxide finish
• - Supplied in a metal index case for bit organization
• - Non-coolant through design (requires external coolant as applicable for the drilling application)
• - Fractional inch measurement system

Additional Information