HSSCO cobalt drill bits engineered for reliable stainless steel drilling Key benefits Cuts stainless steel cleanly and consistently — designed to handle tough stainless materials where standard bits dull quickly. Long life and consistent performance — M35 grade delivers high hardness and improved wear resistance for more holes per bit. Smooth, precise drilling — twist drill geometry provides steady cutting action and reduced tendency to snag or wander. Faster bit changes — Hex quick change feature allows rapid, secure swaps in quick-change chucks or bit holders, saving time on the job. Broad size coverage — a compact set that addresses a wide range of drilling tasks from small pilot holes to larger penetrations. Specifications Material: HSSCO cobalt Grade: M35 (high hardness, wear resistant) Design: Twist drill Quick-change: Hex quick change feature Size range: 1.5mm to 13mm Included sizes: 1.5 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 10 / 13 mm How this solves common problems Reduced bit wear and fewer replacements when working with stainless steel thanks to the M35 cobalt formulation. Lower risk of bit breakage and improved hole accuracy from the twist drill design. Less downtime switching tools because the hex quick change system makes replacements quick and reliable. Typical applications Installing stainless-steel fixtures and hardware in kitchens, bathrooms, and commercial environments. Metal fabrication and repair where precise holes in stainless components are required. Maintenance work on machinery and equipment that uses stainless fasteners or panels. What to expect in use Consistent cutting performance across the included sizes. Durable edges that hold up under repeated use on stainless parts. Quick, secure changes between sizes using the hex quick-change feature. This set provides the material, grade, sizes, and convenience needed for accurate, efficient stainless steel drilling in workshop and on-site situations.