- 【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 18 times.
- 【25PCS METRIC DIRLL BITS SET】The drill bits include 25pcs metric drills: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 7.5mm, 8 mm, 8.5mm, 9 mm, 9.5mm, 10 mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, can meet more needs.
- 【TWIST DESIGN AND PERFORMANCE】135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.
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