Shanghai Guangliang Extended Twist Drill Bit - Straight Shank 5mm to 8.5mm x 200mm x 300mm

This extended twist drill bit is a precision tool designed for high-performance drilling tasks, particularly in deeper applications. With a straight shank and a range of diameters from 5mm to 8.5mm, it offers versatility for various drilling needs. The overall length of 300mm, with a working length of 200mm, allows for deep penetration without compromising accuracy or stability. Constructed for durability, it ensures efficient chip removal and consistent results across multiple materials, making it an essential addition to any craftsman or professional toolkit. Specification: 5*132mm Standard Extended Manufacture country: China Instructions included: No