# custom screw factory # fasteners manufacturer # fasteners material

ASTM A193/A193M high temperature studs B7/B7M/L7/L7M/B8/B8M/B16

ASTM A193/A193M high temperature studs B7/B7M/L7/L7M/B8/B8M/B16

Dong Guan King Tower Hardware Co.,Ltd. Specializing in special fasteners, providing OEM/ODM services, especially in all kinds of customized bolts, studs, screws, nuts and gaskets.

It is a fastener manufacturer and wholesaler with supporting, testing and sales in one, and all the products sold have passed ISO quality management system certification. Our products are mainly used in the fields of engineering bridges, construction machinery, petrochemical special pressure, wind power, automotive, etc.

Dong Guan King Tower Co.,Ltd. Located at No.27,2nd industrial Area,Dazhou Village, Qiaotou  Town,Dongguan,China. The company can customize wholesale combination screws, stainless steel screws, bolts, rivets, semi-hollow core rivets and other non-standard fasteners according to product drawings or customer requirements.

We can supply materials according to customer's requirements:
35CrMoA, 35CrMo, 30CrMoA, 30CrMo, 42Cr2MoA, 42Cr2Mo;
25Cr2MoVA, 40CrNiMoA, 20Cr1Mo1VNbTiB, 35CrMoVA, 20Cr12NiMOWV;
B7, B7M, L7, L7M, B16, B8, B8A, B8M, B8MA, B6;
2H, 2HM, Gr.4, GR.7, 7M, 8, 8M, 8C;
ASTM A182/A182M F51, F53, F55;
ASTM A453/A453M Gr. 660A, 660B , 660C, 660D;
Surface treatment: natural, blackened, galvanized (Zn, HDZn), nickel (Ni), coated with Dacromet  coated with Teflon (PTFE), coating, etc.

About King-Tower

Dongguan King-Tower Hardware Co.; Ltd a manufacturer of fastener, has been supplying non-standard and custom made screw since 2002. According sample or drawing requirements, provide one-stop custom services to solving your custom screw needs. King-Tower is committed to offering you the widest range of sems screw, anti-theft screw, thread-locking screw and stainless steel screw and more. If you have any fastening inquiries, our engineering department will be glad to help with our many custom screw options.

© 2023 Dongguan King-Tower Hardware Co.; Ltd.