| Item | Longdrill self drilling screw | 
| Material | Carbon steel ,C1022A,stainless steel,,, | 
| Head Type | Hex head, csk head, truss head, pan head,,,, | 
| Surface treatment | White zinc,blue white zinc,yellow zinc,colored painted, | 
| Standard | DIN,ISO,,,,,, | 
| Thread | Fine, coarse | 
| Package | Small box+ carton / 25kg bag | 
| Delivery time | In stock within 7workdays. OEM or customize about 25~40days. | 
| Samples | Available |