| Finish | Black Phosphated |
| Other Optional | wax, zinc plated, trivalent chromium blue white zinc, brass plated, phosphate, mechanical zinc, hot-dip galvanized, dacromet |
| Material | carbon steel 1022A , stainless steel |
| Standard | ISO,GB,DIN,JIS,ANSI,BSW |
| Head type | pilliips bugle head |
| End type | sharp point, drilling point |
| Diameter | 4.2mm |
| Length | 19-100mm |
| Thread | NC thread |
| Product usages | Used for all kinds of gypsum board, light partition wall and ceiling series of installation,fixing and connecting iron joists and recycled wooden products |
| Meas(cm) | 27*25*18 |
| Item No | Size(mm) |
| DR-810300100 | 4.2x19 |
| DR-810300101 | 4.2x25 |
| DR-810300102 | 4.2x32 |
| DR-810300103 | 4.2x38 |
| DR-810300104 | 4.2x50 |
| DR-810300105 | 4.2x63 |
| DR-810300106 | 4.2x75 |
| DR-810300107 | 4.2x100 |