EN
BN 1720 - DIN 7985
Spring na helikal: spring na tulad ng bakal
Anyong-Ulo：Pan Head
Drive：Hulugan na krus (Phillips)
Thread：buong pagpupuno
Material: Ahas
Klase ng Properti: 4.8
Lapag: nilagyan ng galvaniko ng bughaw
- Parameter
Parameter
Phillips pan head assembled (SEMs) screws anyong H, na may captive spring lock washer DIN 127 B Steel - 4.8 - zinc plated blue
