OSG Carbide Spotting & Chamfering Drill - Micro Grain - Uncoated - 90° - 20mm ISO Insert - KN Style it’s built for accuracy and

it’s built for accuracy and versatility in pockets

this insert enables efficient chip evacuation and precise machining results

Precise Go/No-Go verification: Quickly determine if a thread part meets the exact M42 x 1

Left-hand spiral flute with straight shank: Optimized chip flow and stable cutting while the straight shank fits standard holders

ISO H5 tolerance for precise holes: The reamer is ground to ISO H5 (-0 to +0

OSG Carbide Spotting & Chamfering Drill - Micro Grain - Uncoated - 90° - 20mm ISO Insert - KN Style it’s built for accuracy andMeet the OSG Carbide Spotting & Chamfering Drill, a precision tool crafted from micro grain carbide and finished uncoated. Its designed for professionals and serious hobbyists who need reliable spotting and chamfering performance across a variety of materials, with consistent results you can trust on every job. With a 90 degree angle and a 20 mm diameter, it creates clean, precise chamfers quickly, reducing deburring and finishing time. Micro Grain