1.straight shank twist drills 2. made of special HSS 3. titanium coated. 4. fully ground 5. 5pcs per plastic bag
This kind of stright shank twist drill bits are made of special high speed steel with titanium coated surface plus fully ground process, which makes it sharp edges, good abrasion resistance and strong strength. You will find it better than other ordinary drill bits when drilling hard steel plate and stainless steel materials.
The size ranges from 1.0mm to 13mm, the size interval is 0.1mm.
The size 13.5 is special for railway guid drilling.
10 pcs per plastic bag below 7.6mm drill bits.
5 pcs per plastic bag above 7.5mm drill bits
if you need other tools, please come to our domestic web: http://xfzhang686.cn.alibaba.com
welcom to inquiry and order.
HSS titanium coated straight shank HSS twist drill bits of 8.5mm
