Chamferer Center Punch Tool Deburring Suite Sponge Aluminum Alloy High Speed Steel Countersink Drill Bit Set

Description This countersink drill bit set is made of premium material which can withstand long-lasting use. Features the high-speed steel aluminum alloy and sponge material which has high durability not easy to deform. Fine workmanship ensures practicality. Features -Color:Assorted Color -Material:High-speed steel aluminum alloy sponge -Size:5.70X1.90X1.90cm 5.70X1.50X1.50cm 5.70X1.20X1.20cm 5.70X0.95X0.95cm 5.70X0.63X0.63cm/2.24X0.75X0.75in 2.24X0.59X0.59in 2.24X0.47X0.47in 2.24X0.37X0.37in 2.24X0.25X0.25in - It is not easy to be stuck in loading and unloading it is more convenient to use and it is not easy to slip and more firmly in use. - Made of high speed steel with an oxidized gold finish for corrosion resistance. - The five blades design reduces vibration for smoother drilling and longer bit life. - Precision ground 82-degree tip drills holes in most machinable metals as well as wood and plastics. - Counterbore and chamfering operations can be performed on wood aluminum and iron parts.