Chicago-Latrobe 49912

The CHICAGO-LATROBE – 49912 is a jobber-length drill bit set consisting of 21 high speed steel bits with sizes ranging from 1/16 inch to 3/8 inch. The bits feature conventional 118-degree points and a right-hand spiral direction, intended for use when drilling aluminum, cast iron, and steel (per the ISO codes K, N, and P). The set uses a straight shank design and provides fractional-inch sizes, and it comes in a metal index case for organized storage. – Contains 21 drill bits with sizes from 1/16″ to 3/8″ by 64ths. – Made of general-purpose high speed steel. – Jobber-length style with overall lengths ranging approximately from 1 7/8″ to 4″. – Conventional 118° point type with two flutes and a helix angle between 21° and 34°. – Right-hand spiral cutting direction and straight shank type with a 1/16″ shank diameter. – Includes metal drill index case for storage and organization. – is manufactured to comply with ASME B94.11M-1993. – is specified for drilling materials identified by ISO codes K, N, and P (aluminum, cast iron, steel).