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Page 168
A-344
WELDED MASTER LINK
With Engineered Flat
  • Each link has a Product Identification Code (PIC) for material traceability, along with the size and the name Crosby & U.S.A.
  • Design Factor of 4 to 1 for chain and 5 to 1 for wire rope.
  • Alloy Steel - Quenched and Tempered.
  • Individually Proof Tested at 2 times the Working Load Limit (4:1) with certification.
  • Larger inside width and length for use with thimble.
  • Engineered Flat  for use with S-325A coupler link.

 


A-344
Size
(in.)		 A-344
Stock
No.
 Working Load Limit
(lbs.) *		 Weight
Each
(lbs.)		 Dimensions
(in.)		 Engineered
Flat Size
for S-325A
(in.) - (mm)
4:1 5:1 A B C
7/16 1256857 3500 2800 .5 .47 2.36 3.94 1/4"-5/16", 7-8mm
1/2 1256927 6000 4800 .7 .55 2.36 3.94 1/4"-5/16", 7-8mm
11/16 1256997 8800 7100 1.6 .67 3.54 6.30 3/8", 10mm
3/4 1257067 14300 11500 2.6 .79 3.54 6.30 1/2", 13mm
7/8 1257207 18100 14500 3.6 .87 3.94 7.09 No Flat
1 1257277 25300 20300 7.1 .98 3.94 7.09 5/8", 16mm
1-1/8 1257377 26000 20800 8.5 1.10 5.51 10.63 No Flat
1-1/4 1257417 35300 28300 13.7 1.26 5.51 10.63 No Flat
*  Ultimate Load is 4 times the Working Load Limit. Based on 90 degree included angle or smaller. For included angles greater than 90 degrees, the Working Load Limit must be de-rated.

 

A-347
WELDED MASTER LINK ASSEMBLY
  • Each assembly has a Product Identification Code (PIC) for material traceability, along with the size and the name Crosby & U.S.A.
  • Design Factor of 4 to 1 for chain and
    5 to 1 for wire rope.
  • Alloy Steel - Quenched and Tempered.
  • Individually Proof Tested at 2-1/2 times the Working Load Limit (4:1) with certification.
  • Larger inside width and length for use with thimble.
  • Engineered Flat for use with S-325A coupler link.


A-347
Size
(in.)		 A-347
Stock
No.
 Working Load Limit
(lbs.) *		 Weight
Each
(lbs.)		 Dimensions
(in.)		 Engineered
Flat Size
for S-325A
(in.) - (mm)
4:1 5:1 A B C D E F
1/2 1257690 5300 4300 1.30 .55 2.36 3.94 .47 3.35 1.57 No Flat
11/16 1257760 7100 5700 3.65 .67 3.54 6.30 .55 3.94 2.36 No Flat
3/4 1257830 11000 8800 4.00 .79 3.54 6.30 .55 3.94 2.36 1/4" - 5/16", 7-8mm
7/8 1257970 17600 14100 6.90 .87 3.94 7.09 .67 5.91 2.76 3/8", 10mm
1-1/8 1258140 26500 21200 16.31 1.10 5.51 10.63 .87 6.30 3.54 1/2", 13mm
1-1/4 1258180 38400 30720 22.50 1.26 5.51 10.63 .98 7.09 3.94 5/8", 16mm
* Ultimate Load is 4 times the Working Load Limit. Based on 90 degree included angle or smaller. For included angles greater than 90 degrees, the Working Load Limit must be de-rated.

 

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