U.S. Federal Specification Turnbuckles (FF-T791b)

  • Size:From 1/4″X4″ to 2-3/4″X24″
  • Drop forged. Carbon steel.
  • Proof load is 2.5 times the working load limit. Ultimate Load is 5 times working load limit
  • Surface Finish is usually Electric galvanised or hot dip galvanised
  • Marking:SIZE. R. L. or as per customers’ request.
  • Package:PP Bag / Carton. Plywood/Steel pallet

Product parameter

Size (Diameter x
Take-Up)
Overall Length with Ends in Closed Position Approx. Weight Each (lbs) Working Load Limit (lbs)
Eyes and/or Hooks Jaw& Eye Jaw& Jaw Stub End Bodies Only Hook&Hook / Hook&Eye Eye&Eye  Jaw&Eye  Jaw&Jaw  Stub End
1/4″×4″ 8-1/4 0.3 0.3 0.4 0.29 0.17 400 500
5/16″×4-1/2″ 9-9/16 0.5 0.35 0.58 0.46 0.25 700 800
3/8″×6″ 11-7/8 0.75 0.82 0.93 0.75 0.3 1000 1200
1/2″×6″ 13-5/16 1.50 1.62 1.68 1.36 0.55 1500 2200
1/2″×9″ 16-5/16 1.75 1.82 1.85 1.69 0.74 1500 2200
1/2″×l2″ 19-5/16 2.18 2.19 2.20 2.0 0.93 1500 2200
5/8″×6″ 15-1/2 2.63 2.59 2.82 2.15 0.91 2250 3500
5/8″×9″ 18-1/2 3.00 3.01 3.25 2.7 1.2 2250 3500
5/8″×12″ 21-1/2 3.25 3.50 3.75 3.22 1.5 2250 3500
3/4″×6″ 17 3.75 4.25 4.68 3.25 1.3 3000 5200
3/4″×9″ 20 4.50 5.00 5.38 4.0 1.7 3000 5200
3/4″×12″ 23 5.75 5.75 6.12 4.65 2.12 3000 5200
3/4″×18″ 29 7.00 7.25 7.25 6.12 2.93 3000 5200
7/8″×6″ 18 4.75 2.0 4000 7200
7/8″×12″ 24-5/8 8.38 8.88 9.36 6.67 3.0 4000 7200
7/8″×l8″ 30-5/8 10.25 10.60 11.44 8.75 4.12 4000 7200
1″×6″ 20-5/8 6.41 2.5 5000 10000
1″×12″ 26-5/8 11.25 12 12.88 8.9 3.86 5000 10000
1″×18″ 32-5/8 14 14.75 16.1 11.7 5.5 5000 10000
1″×24″ 38-5/8 17 17.75 18.6 14.3 7 5000 10000
1-1/4″×6″ 20 10.4 4 6500 15200
1-1/4″×12″ 29-7/8 19 21.2 23.6 14.2 5.93 6500 15200
1-1/4″×18″ 35-7/8 24.1 26 26.6 18 8 6500 15200
1-1/4″×24″ 41-7/8 25 28.7 31.2 21.8 10 6500 15200
1-1/2″×6″ 22-1/2 15.4 5.8 7500 21400
1-1/2″×12″ 32-3/8 27 31.1 35.5 20.5 8.4 7500 21400
1-1/2″×18″ 38-3/8 31.2 36.4 40.7 26.2 11.5 7500 21400
1-1/2″×24″ 44-3/8 38.2 44.2 47.6 31.4 14.1 7500 21400
1-3/4″×6″ 22.7 8.75 12500 28000
1-3/4″×18″ 41-3/4 45.0 48.8 52.4 12500 28000
1-3/4″×24″ 47-3/4 58 60. 64 43.9 19.5 12500 28000
2″×6″ 31.5 12.5 16500 37000
2″×24″ 51-3/4 90 102. 115 60.3 27.5 16500 37000
2-1/2″×6″ 60.8 27.0 27000 60000
2-1/2″×24″ 58-1/2 183 180 200 110 54.0 27000 60000
2-3/4″×24″ 61-1/2 180 214 248 54.0 34000 75000