These M35 high speed steel drill bits are manufactured with 5% cobalt for long-lasting performance, abrasion resistance and heat protection. Fully ground with a 135° split point for precise centring to prevent drill wander. For optimal results and a longer lifetime, Draper cobalt drill bits work best in conjunction with a cooling agent. Suitable for use with alloy steel, titanium alloys, stainless steel, hardened steel, cast iron and carbon steel. Compatible with a standard 10/13mm chuck. Sizes 1.0-13.0. Supplied inside a plastic case. * Drill bit type: M35 steel HSSE * Drill tip angle: 135° * Flute: Single * Connection: Round shank * Construction: Fully ground https://elecena.pl/product/27395336/draper-expert-08978-hsse-m35-cobalt-drill-bit-set-25-piece 2024-12-05 https://elecena.pl/product/27395336/draper-expert-08978-hsse-m35-cobalt-drill-bit-set-25-piece 2025-03-14 https://elecena.pl/product/27395336/draper-expert-08978-hsse-m35-cobalt-drill-bit-set-25-piece 2026-02-26 https://elecena.pl/product/27395336/draper-expert-08978-hsse-m35-cobalt-drill-bit-set-25-piece 2026-07-14