2017-01-18 Rongda test 843 times
Detection Purpose: Check head for fastness to unthreaded rod or thread transition circle.
Detection range: Screws, nuts, bolts, screws, high-strength bolts, etc
Head firmness test, used to check the head against unthreaded rod or thread transition circle. During inspection, hammer the fastener head in the test mold at a specified Angle.
Last article: NO!