At our factory we do offer a range of bolts,including hex head roofing screws, self-drilling screws, black spated bugle head Drywall screws and etc. Please me before placing orders 
The order can be customized accustom to the client need.
We also offered a wide range of packaging and designs for you too choses from. With low minimum order required you can own your own brand of bolts in high quality. Our price is very competitive.
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