Design, Manufacture and Installation of Theatrical Equipment Worldwide

AlphaChain & Trim Chains


Trim Chain
  • 7 mm (0.275") black alloy chain for rigging.
  • Black chain eliminates glare and reflection.
  • Grade 63 hardened alloy chain meeting OSHA requirements for sling usage OSHA 1910.184(e)(5).
  • Used with standard 1/4" (6.35 mm) hardware.
  • Marked with JRC on every link.
  • Date code on every 10th link for traceability.
  • 3,250 lb. (1,474 kg) working loading limit based on the manufacturer’s 4:1 safety factor.

Trim Chain
  • Most popular and economical lift line termination.
  • 36" (914 mm) long, 7 mm (0.275") Grade 63 alloy chain, with a forged round pin anchor shackle, and thimble.
  • The chain is wrapped one and one half turns around the batten and attached back to the thimble at the end of the lift line with a forged shackle. Adjustment is made by connecting the shackle into a link along the return side of the chain.
Ordering Information
Product Code Description RWL Wt.
022-250TC AlphaChain 7 mm (0.275") Grade 63 Alloy Chain 3250 lbs. 0.7 lb.
015-1191B Black Trim Chain with 5/16" (7.9 mm) Shackle, 1/4" (6.35 mm) Thimble 3250 lbs. 2 lbs.
015-1192B Black Trim Chain with 1/4" (6.35 mm) Shackle, 1/4" (6.35 mm) Thimble 3250 lbs. 2 lbs.
015-1193B Black Trim Chain with 1/4" (6.35 mm) Shackle, 3/16" (4.76 mm) Thimble 3250 lbs. 2 lbs.
RWL: RWL is maximum load that can be applied to the trim chain which is in "like new" condition and has been properly installed, maintained, and operated.
7041 Interstate Island Road | Syracuse, NY USA 13209-9713 | Phone: 315-451-3440 | Toll Free: 800-836-1885
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