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Manila Rope Blocks

BlocksHardwareRigging Hardware
  • Laser cut side plates
  • Grade 5 bolts secured with lock washers and staked nuts.
  • Bronze bushed sheaves with larger bearing diameter for extended block life.
  • Beckets furnished on all blocks.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.


HS-21-B

Block
Size
(in.)
Fitting Single Sheave
21 B
Stock No.
Double Sheave
22 B
Stock No.
Triple Sheave
23 B
Stock No.
4 HS 603831 .604634 605438
5 HS 603859 604652 605456
6 HS 603877 604670 605474
8 HS 603911 604714 605517
4 N 606437 606838 607230
5 N 606455 606856 607258
6 N 606473 606874 607276
8 N 606516 606918 607310
4 S 610039 611635 613232
5 S 610057 611653 613250
6 S 610075 611671 613278
8 S 610119 611715 613312

Fitting Type: HS-Latch Hook; N-Swivel Hook with Latch; S- Round Pin Anchor Shackle

Block
Size
(in.)
Sheave Dimensions
(in.)
Manila
Rope
Size
(in.)
Working Load Limit
(lbs.)*
Weight Each
(lbs.)
Outside
Diam.
Rim
Thickness
Center
Pin Diam.
21
Single
22
Double
23
Triple
21
Single
22
Double
23
Triple
4 2.25 .63 .38 1/2 1000 1400 1800 1.75 3.00 4.00
5 3.00 .75 .38 5/8 1200 1800 2400 3.25 5.60 6.50
6 3.50 1.00 .50 3/4 1800 2500 3200 5.00 8.50 11.50
8 4.75 1.13 .63 7/8 – 1 2800 3800 4800 13.00 14.00 21.50

*Ultimate Load is 4 times the Working Load Limit

  • Laser cut side plates
  • Grade 5 bolts secured with lock washers and staked nuts.
  • Bronze bushed sheaves with larger bearing diameter for extended block life.
  • New style hanger for fitting attachment.


HS-21-B

Block
Size
(in.)
Fitting Single Sheave
21 B
Stock No.
Double Sheave
22 B
Stock No.
Triple Sheave
23 B
Stock No.
4 HS 680971 .681373 681774
6 HS 680999 681391 -
8 HS 681015 681417 681818
4 N 682639 683031 683433
6 N 682675 683077 683479
8 N 682719- 683111 -
6 P 691077- 692673 -
8 P 691111 692717 694314

*Bearing Code: B- Self Lubricating Bronse Bushed.
Fitting Type: HS- Latch Hook; N- Swivel Hook with Latch; P- Screw Pin Anchor Shackle

Block
Size
(in.)
Sheave Dimensions
(in.)
Manila
Rope
Size
(in.)
Working Load Limit
(lbs.)*
Weight Each
(lbs.)
Outside
Diam.
Rim
Thickness
Single Double Triple Single Double Triple
4 2.25 .63 1/2 1100 1600 2200 2.25 3.75 5.00
6 3.50 1.00 3/4 2000 3300 4000 5.50 9.25 12.50
8 4.75 1.13 1 3300 5100 7000 10.00 16.50 22.00

*Ultimate Load is 3.5 times the Working Load Limit


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