This is an inquiry message about 1/4-28 combined drill-tap in the 108th China Canton Fair. (这是一条买家关于"1/4-28 combined drill-tap"的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) 1/4-28 combined drill-tap want dimensional inf. and pricing for 1/4-28nf combined drill-tap. we use them in a cnc lathe operation and the ones we have been using (jarvis brand)sometimes drill oversize...replacing a broken unit is a trial and error job to get one that works well. Thank you...john gillis Contact Info (联系信息) john gillis 55405 Company: insty-bit, inc. E-mail: johngillisjr@gmail.com johngillisjr@gmail.com