Leading the lifting & rigging industry

Categories

Crosby® 380 Series Hook Blocks
  • Wide range of product available.
    • Capacity: 5 to 300 Tons – Larger Models Available.
    • Sheave Sizes: 10” to 30”.
    • Wireline 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 QUICCHECK® markings (Duplex hooks are available on all sizes).
  • All 380 Blocks are furnished standard with Roller Bearings.

EMAIL PAGE

EMAIL PAGE


VIEW IN CATALOG

VIEW IN CATALOG


WARNINGS & CAUTIONS

WARNINGS & CAUTIONS

Dead End Chart
(Double, Triple, & Quad Sheave Blocks*)

Wireline 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

+ US-422T Terminator Style.

  • 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 worldwide 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.

 

WARNING: Prop 65: Products supplied by CERTEX USA may expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information, visit to www.P65Warnings.ca.gov.

Related Products

Razor-Back BR24SM15 Smooth Surface Push Broom

Razor-Back BR24SM15 Smooth Surface Push Broom

This 24 inch smooth surface push broom enables you to sweep fine dirt and debris while being gentle on surfaces like smooth concrete and polished wood floors. This broom also features an innovative and heavy duty steel brace. The brace is reinforced through a dual...

Razor-Back BR24MU16 Multi-Surface Push Broom

Razor-Back BR24MU16 Multi-Surface Push Broom

This 24 inch multi-surface push broom features soft border bristles with flagged tips for sweeping fine dirt and debris with coarse center bristles for sweeping rough debris. This broom also features an innovative and heavy duty steel brace. The brace is reinforced...

Razor-Back BR24RG17 Rough Surface Push Broom

Razor-Back BR24RG17 Rough Surface Push Broom

This 24 inch rough surface push broom features coarse bristles for sweeping debris on surfaces like asphalt and sidewalks. This broom also features an innovative and heavy duty steel brace. The brace is reinforced through a dual rivet connection to the handle and is...

Razor-Back 44101 Square Point Shovel with Wood Handle

Razor-Back 44101 Square Point Shovel with Wood Handle

Strength and durability make Razor-Back tools the choice of professionals. This sturdy square point shovel is an essential part of any tool assortment. It's perfect for moving loose ground material, sand, top soil or debris. It can also be used to shape beds, mix...