Nơi xuất xứ
Zhejiang, China
Số Mô Hình
roller chain (428 420 520 530)
Plate: 45mn
Piate thickness: 1.5mm
Roller:10# steel
Roller diameter: 8.51mm
Pins:30CrMnTi
Pin diameter: 4.45mm
Width between inner plates: 7.75mm
Inner Plate depth: 12.5mm
Pitch: 12.7 mm
color:blue/brown/silvery
style
short pitch precision roller chains