Purchase Qty. Reference FOB Price
500-999 Pieces US$0.23
1,000+ Pieces US$23.00
Product Description
DIN7504K drilling tapping screws with drilling the tail tip named as twist drill, screw during assembly to drill out the center by Confucius, and then with the aid of the nearby threaded portion on the carrier hole tapping cut out with the thread Best competitive Advantages, 1.Strict quality ...