Chicago-Latrobe 57851

The CHICAGO-LATROBE 57851 is a jobber-length drill bit set consisting of 13 cobalt drill bits in fractional inch sizes ranging from 1/16" to 1/4". Right-hand cutting bits feature a 135-degree split point. The set includes a metal drill index with each drill bit possessing straight shank of 1/16" diameter. Is for fractional inch drilling within 1/16" to 1/4" size range and meets NAS 907. Key Features: - Number of bits: 13, sizes from 1/16" to 1/4" by 64ths fractional inches. - Material: cobalt. - Drill point: 135-degree split point. - Shank type: Straight, 1/16" diameter. - Drill bit length: jobber-length; 4x depth-to-diameter ratio. - Cutting direction: Right hand. - Includes metal drill index for organization. - Flute type: Spiral. - Meets NAS 907.