drill bit

Description: 1.Either made from high quality carbon steel or equality better materials. 2.Solid center design provides extra rigidity and power while boring. 3.Wide lands keep the bit straight as it bores through the hole. 4.Single flute have accurately ground and excellent chip-carrying capacity. 5.Single spur cutting edge make the rapid chip clearance, producing a faster, cleaner hole. 6.Self feeding screw point provides fast boring in hard and soft woods, for precise and easy drilling. 7.Three different color cutline can well control the boring depth.