McKissick
Utility Crane Blocks
380 Series Hook Block
- Wide range of product available.
- Capacity: 5 to 300 tons - Larger
Models Available.
- Shave Sizes: 10" to 30".
- Wire Line Sizes: 7/16 to 1
1/4".
- Manufactured by an ISO 9001 and API Q1
certified facility.
- All single point shank hooks are genuine
Crosby, forged alloy steel, Quenched and Tempered, and
have the patented QUIC-CHECK markings (Duplex hooks are
available on most sizes).
- All 380 Series Blocks are furnished
standard with Roller Bearings.
- Reeving Guides Standard - All Models.
- Heavy Duty Positive Locking (PL) Latch -
All Models.
- Sheave lubrication through center pin -
Separate lube channel to each bearing.
- Sheaves fully protected by side plates.
- Dual action hook (Swing and Rotates).
- Repair parts available through world wide
distribution network.
- Design Factor of 4 to 1 (unless otherwise
noted).
- All 380 Series blocks, 16" and
larger, are funished with McKissick Roll-Forged sheaves
with flame hardened grooves.
OPTIONS AVAILABLE
- Bronze Bushed Sheaves
- Duplex Hooks
- Swivel Tee and Shackle Assemblies
- Sheave Shrouds
- Anti Rotation - Locking Device (50 tons
& larger)
- Plate Steel Cheek Weights
- Third party testing with Certification
available upon request.
Dead
End Chart
(For Multiple Sheave Blocks*)
Wire
Rope Size
(in.) |
Dimensions |
T
Thickness |
U
Hole Diameter |
| 7/16 - 1/2 |
1.00 |
1.28 |
| 9/16 |
1.00 |
1.28 |
| 5/8 |
1.00 |
1.28 |
| 3/4 |
1.25 |
1.66 |
| 7/8 |
1.25 |
1.66 |
| 1 |
1.25 |
1.66 |
| 1 1/8 |
1.75 |
2.56 |
| 1 1/4 |
1.75 |
2.56 |
* To find Dead End Dimensions for Single Sheave
blocks, refer to Crosby's General Catalog.
