Hepyc HSSCo Split Point Drill Bit 17/64" DIN338N Insize Thread GO NOGO Plug Gauge 9/16"-18 UNF Series 4131-9D2 - Cobalt (Co5) content enhances

- Cobalt (Co5) content enhances heat resistance and wear properties

12mm Shank

Comprehensive Range – Covers metric and imperial sizes across multiple series

and MRO use

The 12 mm cylindrical shank allows secure mounting in boring bar holders

Hepyc HSSCo Split Point Drill Bit 17/64" DIN338N Insize Thread GO NOGO Plug Gauge 9/16"-18 UNF Series 4131-9D2 - Cobalt (Co5) content enhancesPremium cobalt HSSCo drill bit designed for high performance drilling in steel, stainless steel, and tougher engineering materials. Manufactured to DIN338N standards, this short series drill delivers superior heat resistance, durability, and precision for demanding workshop and industrial applications. Featuring a 135 split point and 30 helix angle, this drill provides accurate centering, reduced walking, and efficient chip evacuation. The cobalt high