Drill drill bushing sleeve fixed interchangeable drill bushing alloy of tungsten steel drill bit holder sleeve

Drill Bushings order to provide various types of non-standard drilling units, fixed drill sets, interchangeable drilling units, alloy drill sleeve, tungsten steel drill sleeve, adjustable sets, Morse taper drill sleeve sets and other processing. Part of the drill sleeve with the cash, cheap. Widely used in electronics, electrical appliances, toys, machinery, digital optical instruments, pneumatic and other areas are welcome to call us to map processing, best price, best quality. Quality drilling units, customers can save more resources, but as long as you understand the quality and durability of our products, we are confident that you will continue to choose us! Drill set for life and drilling accuracy and precision of holes position of great influence among the precise bore size, tolerances as small as possible, can inhibit the swing drills. Drill sets tolerances increase 0.01MM, product error increases 0.05MM.