Project Description
Phillips bugle head self drilling screw
Phillips bugle head self drilling screw(drywall drilling screw) has bugle head and 60° tapping screw thread, while with self drilling screw point. Bugle head self drilling screw is for drywall to thicker metal parts which fine thread drywall screw not workable.
S-metal supply phillips bugle head self drilling screw with steel and black phosphated color.
Material:Case hardened steel C 1018,C 1022 with heat-treated.
Surface:zinc plated, H.D.G, Black phosphated.
Surface hardness:The minimum surface hardness of self drilling screws after heat treatment shall be 530 HV.
Core hardness:The core hardness after heat treatment shall be 320 HV to 400 HV.
Tolerance: Grade A conforming to ISO 4759-1.
Bugle head phillips self drilling screw
Dimension in mm.
| Size d | P | dk | L1 | L | |
| max | min | ||||
| ST3.5 | 1.3 | 8.3 | 8.1 | 5 |
16-80 |
| ST4.2 | 1.4 | 8.3 | 8.1 | 7 | |
| ST4.8 | 1.6 | 9.4 | 9.2 | 8 | |
| ST5.5 | 1.8 | 10.6 | 10.4 | 10 | |
