Chain Sizes and Working Load Limits For Grade 80 Chain Chain size Nominal dimensions (inches) Approx. no. links per ft. Approx. weight per 100 ft. (lbs.) Foot Drum Feet per drum (in.) (mm) Inside length Inside width Product code UPC 43927- Product code UPC 43927- 7/32 5.5 .671 .296 17.9 44.7 607020 20038 677010 20040 800 9/32 7.0 .868 .395 13.8 74.2 607028 20246 677011 20254 500 5/16 8.0 1.05 .454 11.4 90.6 607031 20551 - - - 3/8 10.0 1.222 .572 9.8 145.9 607037 20717 677013 20725 500 1/2 13.0 1.404 .720 8.5 257.7 607050 21038 677015 21045 300 5/8 16.0 1.733 .854 6.9 387.3 607062 21271 677016 21279 200 3/4 20.0 2.160 1.052 5.5 622.0 607075 21437 677017 21441 100 7/8 22.0 2.250 1.137 5.3 776.4 607087 21551 677018 21554 100 1 26.0 2.664 1.348 4.5 995.4 607101 21626 677019 21630 100 1 1/4 32.0 3.250 1.656 3.7 1,570.9 607128 21692 677070 21695 90

Chain size Working load limits (lbs.) Single Double Triple & quad (in.) (mm) 90° 60° 45° 30° 60° 45° 30° 7/32 5.5 2100, 3,600 3,000 2,100 5,450 4,450 3,150 9/32 7.0 3,500 6,100 4,900 3,500 9,100 7,400 5,200 5/16 8.0 4,500 7,800 6,300 4,500 11,700 9,450 6,750 3/8 10.0 7,100 12,300 10,000 7,100 18,400 15,100 10,600 1/2 13.0 12,000 20,800 17,000 12,000 31,200 25,500 18,000 5/8 16.0 18,100 31,300 25,600 18,100 47,000 38,400 27,100 3/4 20.0 28,300 49,000 40,000 28,300 73,500 60,000 42,400 7/8 22.0 34,200 59,200 48,400 34,200 88,900 72,500 51,300 1 26.0 47,700 82,600 67,400 47,700 123,900 101,200 71,500 1 1/4 32.0 72,300 125,200 102,200 72,300 187,800 153,400 108,400