... GOPRO, USA CAMIR, Koreal LG,German Volves, and JapanPanasonic. Self drilling screw is one of our main products , we can do ... , ISO,GB standard. We can produce different types of self drilling screw, and then you also can be customized the products ... :BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Description1. Grade: C10222. Size: ST5.53. Length:20-100mm4 ...