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By certification 
Item Model Black ASTM A 563 Grade B/A563 B Heavy Nut
Item No. TY130
Grade Grade 2/5/8 Class6/8/10
Material 45#, 40Cr, 35CrMo (SAE1045, 5140, 4135)
Color Black Oxide, Grey Phosphate, Yellow/Silver Zinc Coating, Dacromet, Gomet
Carton Packing
Standard neutral export packing;
Buyer required brand packing
MOQ Normally it's 3000pcs each model
Delivery Time 4 - 5 weeks for 1 x 20' FCL
Payment Term T/T: 30% deposit, balance paid before shipment or against copy of B/L
Certificates ISO 9001:2000 test approved
Item No. TY130
Grade Grade 2/5/8 Class6/8/10
Material 45#, 40Cr, 35CrMo (SAE1045, 5140, 4135)
Color Black Oxide, Grey Phosphate, Yellow/Silver Zinc Coating, Dacromet, Gomet
Carton Packing
Standard neutral export packing;
Buyer required brand packing
MOQ Normally it's 3000pcs each model
Delivery Time 4 - 5 weeks for 1 x 20' FCL
Payment Term T/T: 30% deposit, balance paid before shipment or against copy of B/L
Certificates ISO 9001:2000 test approved
