Good Wholesale Vendors Tapered Head Machine Screw - hot sale hex head roofing screws hebei quality C1022A slef-drilling screw DIN7504K hex head Self Drilling Screw – YouYou
Good Wholesale Vendors Tapered Head Machine Screw - hot sale hex head roofing screws hebei quality C1022A slef-drilling screw DIN7504K hex head Self Drilling Screw – YouYou Detail:
Advantages 1. Use good quality material to ensure the quality 2. Good plating and well finish 3. Straight, not easy to broken 4. Sharp thread, good drilling 5. Deep hole 6. Fast production time 7.Stable quality 8. Good after-sale service
Hardness enhance:high quality material to make sure hardness enhance
Blue zinc finish:blue zinc finsh can make priduct much more bright and rust-profoof
Standard size: correct and standard size would much better for install guide
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The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.

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