• [Size] 29-piece drill bits for daily use: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64 and 1/2 inch bits.
• [M35 Cobalt High Speed Steel] Twist jobber length drill bit made of 5% Cobalt alloyed high speed steel. Bronze steam surface treatment provides a combination of hardness and toughness for wear resistance; Rigid, thick web design strengthens the core to increase drill bit durability.
• [135° Split Point] Self-centring 135-degree split point tip helps to reduce thrust and aids an easier penetration; Tips are professionally hardened and polished for more accurate and fast drilling and faster removal of chips and particles.
• [Multiple Applications] The cobalt drill bit set can be used effectively on most soft and hard materials, such as stainless steel, cast iron, high temperature alloy, titanium alloy, plastics and woods.
• [90 Day Warranty] Comes in a metal storage case for easy storage. If you are not satisfied with our product for any reason, we offer a 100% refund or replacement. B0CS64M9R4