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Need help with your orders,
please call our Customer Service
at 888-260-7444.

At US Rigging Supply, we strive to deliver a level of service that exceeds the expectations of our customers. 

If you have any questions about our products or services, please do not hesitate to contact us. We have friendly, knowledgeable representatives available Monday - Friday to assist you.

Contact Information
Toll Free: 1-888-260-7444
Local: 714-545-7444

Address
1600 East McFadden Avenue
Santa Ana, CA 92705

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Snatch Blocks & Hay Fork Pulleys

8-503- / Tail Board

  • YOKE blocks are manufactured from the highest quality tensile steel.
  • YOKE blocks are available in sizes from 2 tonnes to 20 tonnes.
  • YOKE blocks are designed with a safety factor of 4 : 1.
  • YOKE blocks are available for wire rope sizes 5/16" to 1-1/8".
  • YOKE blocks are supplied with model number, wire diameter and working load limit.
  • YOKE blocks are supplied with test certs and batch numbers for ease of traceability.
  • YOKE blocks are manufactured with bronze bushings and grease fitting for ease of use and extended sheave life.
  • YOKE offers custom blocks designs upon request.

Remark: ★ Minimum Ultimate Load is 4 times the Working Load Limit.

8-503- 8-503-

 

Item No. Working
Load Limit
Sheave
Dia.
Wire Rope 
Size
Dimensions (mm)   N.W.
 

tons*

inch mm inch Q E G H J M N

P

Replacement Sheave Kg  
8-503-02 2 3 8-10 5/16 ~ 3/8 19 64 75 124 67 25 17 19 8-500-02 1.4
8-503-04 4 4.5 10-13 3/8 ~ 1/2 35 79 107 196 107 38 27 29 8-500-04 3.6
8-503-08 8 6 16-19 5/8 ~ 3/4 44 104 152 250 130 46 31 33 8-500-08 6.8
8-503-0808 8 8 16-19 5/8 ~ 3/4 44 104 220 325 171 46 31 33 8-500-0808 12.9
8-503-12 12 6 16-19 3/4 ~ 7/8 50 134 167 278 145 60 43 43 8-500-12 13.8
8-503-15 15 8 19-22 3/4 ~ 7/8 48 134 220 325 167 60 43 43 8-500-15 19.0
8-503-1510 15 10 19-22 3/4 ~ 7/8 262 134 280 450 262 60 43 43 8-500-1510 33.0
8-503-1512 15 12 19-22 3/4 ~ 7/8 262 134 330 505 292 60 43 53 8-500-1512 42.5
8-503-20 20 8 25-29 1 ~ 1 1/8 60 150 216 343 175 64 49 53 8-500-20 22.5
8-503-2010 20 10 25-29 1 ~ 1 1/8 250 150 280 450 250 64 49 53 8-500-2010 34.5
8-503-2012 20 12 25-29 1 ~ 1 1/8 280 150 330 505 280 64 49   8-500-2015 45.0