self-drilling tapping screws

As a manufacturer of self-drilling tapping screws, we are able to produce self-drilling tapping screws DIN 7504, DIN 7504(K), DIN 7504(L), DIN 7504(M), DIN 7504(N), DIN 7504(O), DIN 7504(P), DIN 7504(Q), DIN 7504(R), DIN7982, ISO 15480, ISO 15481, ISO 15482,  ISO 15483, DIN EN ISO 15480, DIN EN ISO 15481, ISO 15482, ISO 15483, NF E 25-856, JIS B 1124, JIS B 1125, UNI 8117, UNI 8119 P, Q29, GB/T 15856.5 and other standards. We are able to produce self-drilling tapping screws thread size ST2.9 to ST6.3, Length 9.5mm to 200mm. 

Our company is self-drilling tapping screws factory, self-drilling tapping screws manufacturers, self-drilling tapping screws suppliers. We self-drilling tapping screws specifications are complete, the quality is stable, the delivery is fast, the service is thoughtful, welcome to order. self-drilling tapping screws are used for the connection and fixing of steel structural parts of various buildings and bridges.

self-drilling tapping screws 

self-drilling tapping screws 

self-drilling tapping screws in production 

self-drilling tapping screws in production 

 self-drilling tapping screws under heat treatment

 self-drilling tapping screws in quality testing

One corner of the self-drilling tapping screws warehouse

self-drilling tapping screws

One corner of the self-drilling tapping screws warehouse

self-drilling tapping screws Manufacturers, self-drilling tapping screws Suppliers, self-drilling tapping screws Factory