Product Name:Serrated-Flange Hex Head ScrewsMaterial: 304 stainless steelStandard: GB5789Thread diameter: M4 M5 M6 M8 M10 M12Thread length: 6mm-100mm, excluding head lengthPacking: plastic bag / cartonPackage includes: 1-10pcs * according to your choose

1.Wholesalers and retailers are welcomed.For wholesale,we will offer discount or free express shipping which only takes short time to arrive.If you are a retailer and want make your own business, we could send the goods to your customersdirectly and won't leave information about us if you'd like to.

2.What should I do if I don't receive my item?Please contact us first, we will track your item.If you can't receive it, we will full refund or resend it for you. We are honest seller, so don't worry.

3. If the products have problems how to do it?Please contact with us in time, we will help you solve it.