Six Common Drill Bit Woodworking Tools In Europe②
https://www.dhcutter.net/shop/dh-carbide-inserted-hinge-boring-bits-for-woodworking/ 一,Integral Carbide Brad Point Drill Bit 1. Material: steel body + integral carbide head. 2. Specifications: A. Shank diameter 10mm, regular shank length 20mm. B. Flute diameter 5~15mm. C. Regular length 57mm/70mm, It is divided into positive and negative, and the forward rotation is black, which is represented by R, and the reverse is …
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