About 20B SK1 Attachment Roller Chain

20B SK1 attachment roller chain is produced to ISO‑606 metric standards. It is fitted with single‑hole vertical SK1 attachments on one side for easy installation of fixtures and conveying components. Made of high‑strength heat‑treated carbon steel, the chain features excellent wear‑resistance and heavy‑load performance. It is widely used in conveyor systems, agricultural machinery, packaging equipment and automated assembly‑lines. HXST offers custom attachment spacing, surface treatment and matched sprockets to meet your special‑use requirements.

Metric 20B SK1 Attachment Roller Chain Dimension

Pitch (P): 31.75mm

Attachment Dimension (G): 35mm

Attachment Dimension (C): 30.5mm

Attachment Dimension (F): 45.7mm

Attachment Dimension (d4): 9mm

Link Plate Thickness (T): 3.5mm