... 4:JIS,DIN,AISI standards PUNCH BLANKS with TAP HOLE -STANDARD PARTS/Punch Tool Dongguan Yukai Precision Mold Co., Ltd ... an OEMfactory of many craft brothers all over the world. We have ability to manufactre all kinds ofprecision standard and non-standard components. Main ... ; durable,anti-corrosion; cheap,the best priceMain Standard Customize according to world-brand standard as well as GB, JIS, DIN and ...