Milled surface and smoothed edge, opening size is stamped on the head. Hardened and finished in industrial black, head has a polished finish. For check-jam-lock nuts, etc.
铣削表面和光滑的边缘,开口大小印在机头上。经过硬化和工业黑色处理,Head拥有抛光的表面。用于止回卡锁螺母等。