EN
BN 20040 - WN 5451
Headform：Bilog na may washer
Drive：Hexalobular socket
Thread: ganap na sinulid
Brand：QingSong®
Brandtype：DELTA QingSong®
Materyal: Bakal
Pagpapatupad ng materyal: ginagamot sa init
Ibabaw: zinc plated blue
Katigasan：380 HV
- Parametro
Parametro
QingSong® - Pan head screws with pressed washer with hexalobular socket QingSong® / Autosert® Steel - heat-treated - zinc plated blue
