Drilling is a very wide range of processing in the manufacturing industry, I believe that often in the drilling line of partners for the understanding of the drill bit will not be very strange, the purchase of the drill bit, the drill bit will have different materials and different colors, then the Read More

Center drill bit center drill is also a hole processing very common tool, mainly used for drilling before the center drill positioning, but also as a tool for processing chamfering, center drill common specifications, but to good tool inventory standard specifications out of stock not much, mainly t Read More