Adapter 1,Fein Quick-In /19.05 weldon (8mm pilot bore) 2.DZFX-04 Zhejiang Xinxing Tools Co.,Ltd (CHTOOLS)We are professional manufacture of cutting tools in China, Annular cutter (core drill) is the very product developed and produced by our company. Annular cutter, hole saw, step drill and rail cutter are our main products.Our products are Top quality in China which can be used all kinds of ...