Tsubaki 6L503 is a double strand connecting link (master link) for ANSI #80 double strand roller chain. This ANSI standard connecting link is used to join, repair, and adjust roller chains in industrial power transmission applications. Features heat-treated steel construction with pre-lubrication for maintenance-free operation.

Ideal for joining double strand ANSI #80 roller chain ends, repairing broken or worn roller chains, adjusting chain length, automobile engine timing chains, container straddle carriers, crawler drills, marine diesel engines, oil-well drilling equipment, pump drives, and roller tables. The removable side plate design allows easy chain installation and removal without replacing the entire chain.

Key features include ANSI #80 double strand compatibility, 1" pitch, 5/8" inside width, 5/8" roller diameter, heat-treated steel construction, pre-lubrication, maintenance-free operation, 35,280 lbf tensile strength, 5,610 lb working load limit, cotter pin retention (for chain size 80+), and ANSI/ASME standard compliance. The removable side plate is held by cotter pin, allowing chain ends to be joined together for installation, repair, or adjustment.

new may or may not include original packaging because of storage space

Economy shipping via UPS Ground. Expedited shipping available — message for options.

14-day return policy