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Let’s understand three different kinds of drill bits Center drill bits It consists of drill point, cutting edge and chip flute It is mainly use to enlarge the hole with a pre-cast hole or bottom hole and improve the cylindricality and volume, but the hole is still not at this time Use It is generally […]

HSS Straight Shank Twist Drills are Named After Twists Because Their Chip Flutes are Spiral The twist drill bits material is generally high-speed tool steel or cemented carbide It is widely used in automobile manufacturing, mold, machinery, logistics, and other departments Let’s Learn About Manual Sharpening Techniques for Twist Drills Bits The sharpening head should

There is a big difference between taper shank drill bits and straight shank drill bits HSS straight shank twist drill bits are the most widely use hole processing tool Usually, the diameter ranges from 0.25 to 80 mm It mainly consists of a working part and a handle, the working part has two spiral grooves,