General-Catalog 220 Bishop Lifting

Blocks & Sheaves

BLOCKS & SHEAVES

www.Lifting.com

Blocks & Sheaves 220

Hook Blocks

380 Series Hook Blocks

Wide

range of product available. Capacity: 5 to 300 tons - Larger Models Available. Sheave Sizes: 10" to 30". Wire Line Sizes: 7/16" to 1-3/8". 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 all sizes). All 380 Blocks are furnished standard with Roller Bearings. Reeving Guide Standard - All Models. Blocks thru 25 tons use 319N style hooks with S-4320 latches. Sheaves lubrication through center pin - separate lube channel to each bearing. Sheave fully protected by side plates. Dual action hook (swings and rotates). Repair parts available through world wide distribution network. Design Factor of 4 to 1 (unless otherwise noted). All 380 blocks, 16" and larger, are furnished with McKissick Roll-Forged sheaves with flame hardened grooves. "Look for the Orange Hook . . . the mark of genuine McKissick quality". OPTIONS AVAILABLE Bronze Bushed Sheaves Duplex Hooks Swivel Tee and Shackle Assemblies Sheave Shrouds Anti Rotation Hook - Locking Device Plate Steel Cheek Weights Third party testing with Certification available upon request. Wire Rope Size (in.) Dimensions (in.) Recommended Wedge Socket T Thickness U Hole Diameter McKissick US-422 / US-422T Utility Socket Stock No. Size 7/16 1.00 1.28 1044309 US4 7/16 1/2 1.00 1.28 1044318 US4 1/2 9/16 1.00 1.28 1044336 US5 9/16 5/8 1.00 1.28 1044345 US5 5/8 3/4 1.25 1.66 1044363 US6 3/4 7/8 1.25 1.66 1038580 US7 7/8 1 1.25 1.66 1044417 US8 1 1-1/8 1.75 2.56 1044426 US10 1-1/8 1-1/4 1.75 2.56 1044435 US10 1-1/4

* To find Dead End Dimensions for Single Sheave blocks, refer to Crosby General Catalog. US-422T Terminator Style.

Dead End Chart (Double, Triple, & Quad Sheave Blocks*) The patented McKissick Split-Nut is the standard retention system for standard crane blocks up to 100 tons. For custom orders contact our Specials Sales Department.

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