These high speed steel drill bits are manufactured with a titanium nitride coating for enhanced strength and longer life. Fully ground with a 135° split point for precise centring to prevent drill wander. Draper Titanium Series drill bits work best in conjunction with a cooling agent. Suitable for use with steel, non-ferrous metals, wood and hard plastic. Compatible with a standard 10/13mm chuck. https://elecena.pl/product/27400289/draper-08861-hss-titanium-nitride-coated-drill-bit-2-5mm-x-57mm-pack-of-2 2024-12-05 https://elecena.pl/product/27400289/draper-08861-hss-titanium-nitride-coated-drill-bit-2-5mm-x-57mm-pack-of-2 2026-02-27