... of quality guarantee Accurate grinding Industry quality, no compliant products We offer drill bits sharpening machinery 20009 fro drill bits 2-13mm, for ... , 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mmand 13mm bits 20010 for bits 13-26mm 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm ... , 21mm, 22mm, 23mm, 24mm, 25mm and 26mm bits If you have special needs, we can discuss! many other ...