High Tensile forged steel quenched and tempered  


Screw pin anchor shackles meet Federal Specification RR-C-271


Bolt type anchor shackles with thin head bolt-nut with cotter pin RR-C-271
U. S. FEDERAL SPECIFICATION (RR-C-271)

Safety Factor = 6 up to 85 T. Above S. F. =5
From W.L.L. 1201: Bolt with straight head & handle grip
Pins : orange paint
Finish : Galvanized up to W.L.L. 120 T.
and Galva paint from W.L.L. 150 T.
From W.L.L.2 T. up to 85 T. : High Tensile Steel
From W.L.L. 120 T. and above : Alloy Steel


Forging tolerances + 5%
W.LL M.T. SIZE A B C D O A in kg
inches mm ML G 344 ML G 346
120.000 3. 1/2 89 95 146 381 238 - 109.500
150.000 4. 102 108 165 400 275 - 160.000
200.000 4.3/8 120 130 175 500 290 - 235.000
250.000 4.3/4 125 140 200 540 305 - 285.000
300.000 5. 1/8 135 150 200 600 305 - 340.000
400.000 5.7/8 165 175 225 650 325 - 570.000
500.000 6.3/4 175 185 250 700 350 _ 685.000
600.000 7. 1/2 195 205 275 700 375 _ 880.000
700.000 7.7/8 205 215 300 730 400 _ 980.000
800.000 8. 1/4 210 220 300 730 400 _ 1110.000
900.000 8. 21/32 220 230 320 750 420 _ 1295.000
1.000.000 9. 230 240 340 750 420 _ 1475.000
1.200.000 9. 27/32 250 280 400 840 500 _ 1900.000
1.500.000 10. 1/4 260 325 460 870 600 - 2800.000
For other dimensions, refer to us