Phillips bugle head self drilling screw

//Phillips bugle head self drilling screw
Phillips bugle head self drilling screw 2018-05-16T23:14:39+00:00

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

bugle head drilling

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

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