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Turnbuckle with Eye-Eye End Fitting
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Turnbuckle with Jaw-Eye End Fitting

Turnbuckle with Hook-Hook End Fitting

  • Hot Dip galvanized steel.
  • End fittings are Quenched and Tempered / bodies heat treated by normalizing.
  • Hooks are forged with a greater cross sectional area that results in a stronger hook with better fatigue properties.
  • Lock Nuts available for all sizes
  • BTHH-158 Hook & Hook Turnbuckle meets the performance of Federal Specifications FF-T-791b, Type 1, Form 1 – Class VI and ASTM F-1145.
  • TURNBUCKLES RECOMMENDED FOR STRAIGHT OR IN-LINE PULL ONLY
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Description
Thread Diameter
& Take Up (In)		 Thread Diameter
&Take Up (mm)		 BTHH Item No. Working Load Limit(t)* Weight Each (kg) Dimensions (mm)
B A S H P
open		 I
closed		 N
open		 T
closed		 E
1/4 x 4 6.35 x 102 15801 0.18 0.14 6.35 11.4 40.4 32.3 282 181 303 202 101
5/16 x 4.1/2 7.94 x 114 15802 0.32 0.21 7.85 12.7 49.3 38.1 325 211 351 236 114
3/8 x 6 9.53 x 152 15803 0.45 0.35 9.65 14.2 58.0 45.0 419 267 450 298 152
1/2 x 6 12.7 x 152 15804 0.68 0.73 12.7 16.8 74.5 58.0 478 300 518 340 152
1/2 x 12 12.7 x 305 15805 0.68 1.03 12.7 16.8 74.5 58.0 783 453 822 492 304
5/8 x 6 15.9 x 152 15806 1.02 1.25 16.0 18.9 93.5 71.5 521 337 572 387 152
5/8 x 12 15.9 x 305 15807 1.02 1.59 16.9 18.9 93.5 71.5 826 489 876 540 304
3/4 x 6 19.1 x 152 15808 1.36 1.76 19.1 24.9 115 84.5 568 378 629 439 152
3/4 x 12 19.1 x 305 15809 1.36 2.64 19.1 24.9 115 84.5 873 530 934 591 304
3/4 x 18 19.1 x 457 15810 1.36 3.68 19.1 24.9 115 84.5 878 683 1239 744 457
7/8 x 12 22.2 x 305 15811 1.81 3.67 22.4 28.7 132 96.0 914 565 984 635 304
1 x 12 25.4 x 305 15812 2.27 5.41 25.4 31.8 148 108 956 600 1034 678 304
1 x 18 25.4 x 457 15813 2.27 6.35 25.4 31.8 148 108 1261 753 1338 830 457
1 x 24 25.4 x 610 15814 2.27 7.82 25.4 31.8 148 108 1565 905 1643 983 609
1-1/4 x 12 31.8 x 305 15815 2.95 8.62 31.8 38.1 183 130 1027 659 1119 751 304
1-1/4 x 18 31.8 x 457 15816 2.95 9.33 31.8 38.1 183 130 1332 811 1424 903 457
1-1/4 x 24 31.8 x 610 15817 2.95 10.4 31.8 38.1 183 130 1637 964 1729 1056 609
1-1/2 x 12 38.1 x 305 15818 3.40 12.2 38.1 47.8 212 146 1116 735 1205 824 304
1-1/2 x 18 38.1 x 457 15819 3.40 14.1 38.1 47.8 212 146 1421 887 1510 976 457
1-1/2 x 24 38.1 x 610 15820 3.40 17.0 38.1 47.8 212 146 1726 1040 1815 1129 609
Features

Hook-and-hook turnbuckle for adjusting the tension and length of steel wires, cables and ropes

  • Zinc electroplated surface for enhanced corrosion resistance
  • Consists of two roll threaded forged steel jaws
  • Made of low carbon steel
  • Two welded hook terminals are screwed into each end of a forged steel frame
  • Manufactured in accordance with DIN 1480
Applications

 

Storage and transportation

Roads and bridges

Steel structures

Wooden constructions