Sold in 10ft boxes only

Duplex Roller Chain

Pitch (p): 12.70mm (1/2")
Roller Diameter (d1): 8.51mm
Inner Diameter (b1): 7.75mm

Pin Diameter (d2): 4.45mm
Pin Length (L1): 8.40mm
Pin Length (L2): 10.00mm

Link Plate Thickness (T): 1.60mm
Link Plate Thickness (t): 1.60mm
Link Plate Height (H): 12.00mm

Transverse Pitch (pt):

Min. tensile strength: 19.0kN

http://tsubakimoto.com/pdf/product/tsubaki-drive-chain-sprockets.pdf