SEE APPLICATION AND WARNING INFORMATION

Para Español: www. thecrosbygroup.com On Pages 332-339

New Style Oval Pattern
Construction Blocks

  • All blocks are galvanized.
  • Sheave lubricated through pressure lube fitting in center pin.
  • Assembled with self lubricated bronze bushing.
  • Combines weight of regular oval blocks with strength of extra heavy oval blocks.
  • Assembled with bolt type anchor shackle.
  • Laser cut, galvanized side plates.
Block
Size
( in.) 		Fitting Stock No.
Bronze Bushed Steel Sheaves
Q-681-Z Q-682-Z Q-683-Z
6 Q 760441 760665 760801
6 Q 760452 760676 760812
8 Q 760463 760687 760823
10 Q 760474 760698 760834
Block
Size
(in.) 		Sheave Dimensions
(in.) 		Wire
Rope
Size
(in.) 		Working Load Limit
(Tons)*		 Weight Each
(lbs.)
Outside
Diameter		 Rim
Thickness		 Center
Pin Diam.		 Single Double Triple Single Double Triple
6 6 1.00 .75 3/8 3 4 5 15 28 32
6 6 1.00 .75 1/2 3 4 5 16 28 32
8 8 1.25 1.00 5/8 4 6 8 29 43 62
10 10 1.25 1.00 5/8 4 7 8 38 61 80
*Ultimate Load is 4 times the Working Load Limit.
Bearing Code:  Z - Self Lubricating Bronze Bushed with pressure lube fitting.

S-2131
Trawling Shackles

Nominal
Shackle
Size D
(in.)		 Working Load Limit
(t)*		 S-2131
Stock No.		 Weight
Each
(lbs.)		 Dimensions
(in.)		 Tolerance
+/-
A B C D E F G K M G A
1/2 2 1018703 .75 .81 .63 .50 .50 1.81 1.19 1.63 3.09 2.22 .13 .06
5/8 3-1/4 1018721 1.24 1.06 .75 .63 .63 2.31 1.56 2.00 3.78 2.75 .13 .06
3/4 4-3/4 1018749 2.18 1.25 .88 .81 .75 2.75 1.88 2.38 4.50 3.25 .25 .06
7/8 6-1/2 1018767 3.28 1.44 1.00 .97 .88 3.19 2.13 2.81 5.25 3.69 .25 .06
* Ultimate Load is 4 times the Working Load Limit.