Cheap And Discounts M4.5 thread diameter tap circular die M4.5*0.5 M4.5*0.75 hand tool set 0.75mm 0.5mm pitch tapping mold circular tapping mold Wholesale. Buy Directly From Merchant XUZHOUBAIYI Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.