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Crosby | SKU:
Crosby-603831
Crosby HS-21B Single-Sheave Wood Blocks
$287.00
Unit price
/
Unavailable
Crosby HS-21B Single-Sheave Wood Blocks - 4 / HS is backordered and will ship as soon as it is back in stock.
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Crosby HS-21B Single-Sheave Wood Blocks
From
$285.00
Unit price
/
Unavailable
4:1 Design Factor.
- Hot-dip galvanized for corrosion resistance.
- Grade 5 bolts secured with lock washers and staked nuts.
- Bronze bushed sheaves with large bearing diameter for extended block life.
- Beckets furnished on all blocks.
- Meets or exceeds all requirements of ASME B30.26. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
- Fitting Type: HS-Latch Hook; N-Swivel Hook with Latch; S- Round Pin Anchor Shackle
Available Models
| Part No. | Block Size (in.) | Fitting | Working Load Limit (tons) | Sheave Diameter (in.) | Rim Thickness (in.) | Manila Rope Size (in.) | Weight (lb) |
|---|---|---|---|---|---|---|---|
| 603831 | 4 | HS | .45 | 2.25 | .63 | 1/2 | 1.75 |
| 606437 | 4 | N | .45 | 2.25 | .63 | 1/2 | 1.75 |
| 610039 | 4 | S | .45 | 2.25 | .63 | 1/2 | 1.75 |
| 603859 | 5 | HS | .54 | 3.00 | .75 | 5/8 | 3.25 |
| 606455 | 5 | N | .54 | 3.00 | .75 | 5/8 | 3.25 |
| 610057 | 5 | S | .54 | 3.00 | .75 | 5/8 | 3.25 |
| 603877 | 6 | HS | .82 | 3.50 | 1.00 | 3/4 | 5.00 |
| 606473 | 6 | N | .82 | 3.50 | 1.00 | 3/4 | 5.00 |
| 610075 | 6 | S | .82 | 3.50 | 1.00 | 3/4 | 5.00 |
| 603911 | 8 | HS | 1.27 | 4.75 | 1.13 | 7/8 - 1 | 13.00 |
| 606516 | 8 | N | 1.27 | 4.75 | 1.13 | 7/8 - 1 | 13.00 |
| 610119 | 8 | S | 1.27 | 4.75 | 1.13 | 7/8 - 1 | 13.00 |
Dimensions
| Part No. | Center Pin Diameter (in.) |
|---|---|
| 603831 | .38 |
| 606437 | .38 |
| 610039 | .38 |
| 603859 | .38 |
| 606455 | .38 |
| 610057 | .38 |
| 603877 | .50 |
| 606473 | .5 |
| 610075 | .5 |
| 603911 | .63 |
| 606516 | .63 |
| 610119 | .63 |
