ਰੋਜ਼ਾਨਾ ਪੁਰਾਲੇਖ: ਅਕਤੂਬਰ 16, 2019

Broadly used in holes processing, boring bars are a kind of component assembled to boring bits  broaching holes that have already been preliminarily drilled and improve hole diameter accuracy. They consist of solid shank and a coolant hole in it. If…