Open Spelter Socket

Rope Diam” (in) Structural
Strand Diam (in)
Link Size (inches) Weight
Each (lbs)
A C D F G H J L M N
1/4 4.56 .75 .69 .38 .69 1.56 2.25 1.56 1.31 .36 1.10
5/16 – 3/8 4.84 .81 .81 .50 .81 1.69 2.25 1.75 1.50 .44 1.30
7/16 – 1/2 5.56 1.00 1.00 .56 .94 1.88 2.50 2.00 1.88 .50 2.25
9/16 – 5/8 1/2 6.75 1.25 1.19 .69 1.13 2.25 3.00 2.50 2.25 .56 3.60
3/4 9/16 – 5/8 7.94 1.50 1.38 .81 1.25 2.62 3.50 3.00 2.62 .62 5.83
7/8 11/16 – 3/4 9.25 1.75 1.63 .94 1.50 3.25 4.00 3.50 3.13 .80 9.65
1 13/16 – 7/8 10.56 2.00 2.00 1.13 1.75 3.75 4.50 4.00 3.75 .88 15.50
1-1/8 15/16 – 1 11.81 2.25 2.25 1.25 2.00 4.12 5.00 4.62 4.12 1.00 21.50
1 1/4 – 1 3/8 1 1/16 – 1 1/8 13.19 2.50 2.50 1.50 2.25 4.75 5.50 5.00 4.75 1.13 31.00
1 1/2 1 3/16 – 1 1/4 15.12 3.00 2.75 1.63 2.75 5.25 6.00 6.00 5.38 1.19 47.25 *
t 1 – 1 5/8 1 5/16 – 1 3/8 16.25 3.00 3.00 1.75 3.00 5.50 6.50 6.50 5.75 1.31 55.00 *
t 1 3/4 – 1 7/8 1 7/16 – 1 5/8 18.25 3.50 3.50 2.00 3.13 6.38 7.50 7.00 6.50 1.56 82.00 *
2 – 2 1/8 1 11/16 – 1 3/4 21.50 4.00 3.75 2.25 3.75 7.38 8.50 9.00 7.00 1.81 129.00 *
t 2 1/4 – 2 3/8 1 13/16 – 1 7/8 23.50 4.50 4.25 2.50 4.00 8.25 9.00 10.00 7.75 2.13 167.00 *
t 2 1/2 – 2 5/8 1 15/16 – 2 1/8 25.50 5.00 4.75 2.88 4.50 9.25 9.75 10.75 8.50 2.38 252.00 *
t 2 3/4 – 2 7/8 2 3/16 – 2 7/16 27.25 5.25 5.00 3.12 4.88 10.50 11.00 11.00 9.00 2.88 315.00 *
t 3 – 3 1/8 2 1/2 – 2 5/8 29.00 5.75 5.25 3.38 5.25 11.12 12.00 11.25 9.50 3.00 380.00 *
t 3 1/4 – 3 3/8 2 3/4 – 2 7/8 30.88 6.25 5.50 3.62 5.75 11.88 13.00 11.75 10.00 3.12 434.00 *
t 3 1/2 – 3 5/8 3 – 3 1/8 33.25 6.75 6.00 3.88 6.50 12.38 14.00 12.50 10.75 3.25 563.00 *
t 3 3/4 – 4 36.25 7.50 7.00 4.25 7.25 13.62 15.00 13.50 12.50 3.50 783.00

Note: Although CM can supply these types of master links and rings, the oblong link is recommended for general use.

Closed Spelter Socket

Rope Diam” (in) Structural
Strand Diam (in)
Link Size (inches) Weight
Each (lbs)
A B C D* F G H J K L
1/4 4.50 .50 1.50 .88 .38 .69 1.56 2.25 .50 1.75 .50
5/16 – 3/8 4.94 .62 1.69 .97 .50 .81 1.69 2.25 .69 2.06 .75
7/16 – 1/2 5.50 .69 2.00 1.16 .56 .94 2.00 2.50 .88 2.31 1.50
9/16 – 5/8 1/2 6.31 .81 2.63 1.41 .69 1.12 2.38 3.00 1.00 2.50 2.50
3/4 9/16 – 5/8 7.62 1.06 3.00 1.66 .88 1.25 2.75 3.50 1.25 3.06 4.25
7/8 11/16 – 3/4 8.75 1.25 3.63 1.94 1.00 1.50 3.25 4.00 1.50 3.50 7.25
1 13/16 – 7/8 9.88 1.38 4.13 2.30 1.13 1.75 3.75 4.50 1.75 4.00 10.50
1-1/8 15/16 – 1 11.00 1.50 4.50 2.56 1.25 2.00 4.13 5.00 2.00 4.50 14.25
1 1/4 – 1 3/8 1 1/16 – 1 1/8 12.12 1.63 5.00 2.81 1.50 2.25 4.75 5.50 2.25 5.00 19.75
1 1/2 1 3/16 – 1 1/4 13.94 1.94 5.38 3.19 1.63 2.75 5.25 6.00 2.50 6.00 29.20
† 1 – 1 5/8 1 5/16 – 1 3/8 15.13 2.13 5.75 3.25 1.75 3.00 5.50 6.50 2.75 6.50 36.00
† 1 3/4 – 1 7/8 1 7/16 – 1 5/8 17.25 2.19 6.75 3.75 2.00 3.13 6.38 7.50 3.00 7.56 57.25
2 – 2 1/8 1 11/16 – 1 3/4 19.87 2.44 7.63 4.38 2.25 3.75 7.38 8.50 3.25 8.81 79.00
† 2 1/4 – 2 3/8 1 13/16 – 1 7/8 21.50 2.75 8.50 5.00 2.63 4.13 8.25 9.00 3.63 9.75 105.00
† 2 1/2 – 2 5/8 1 15/16 – 2 1/8 23.50 3.12 9.50 5.50 2.88 4.50 9.25 9.75 4.00 10.62 140.00
† 2 3/4 – 2 7/8 2 3/16 – 2 7/16 25.38 3.12 10.75 6.25 3.12 4.88 10.19 11.00 4.88 11.25 220.00
† 3 – 3 1/8 2 1/2 – 2 5/8 27.12 3.37 11.50 6.75 3.38 5.25 11.50 12.00 5.25 11.75 276.00
† 3 1/4 – 3 3/8 2 3/4 – 2 7/8 29.25 4.00 12.25 7.25 3.62 5.75 12.25 13.00 5.75 12.25 313.00
† 3 1/2 – 3 5/8 3 – 3 1/8 31.00 4.00 13.00 7.75 3.88 6.31 13.00 14.00 6.25 13.00 400.00
† 3 3/4 – 4 33.25 4.25 14.25 8.50 4.25 7.25 14.25 15.00 7.00 14.00 542.00

* Diameter of pin must not exceed pin used on companion 416 socket. Reference adjacent page “D” dimension.
† Cast Alloy Steel.

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