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Crosby logoUtility Crane Blocks
380 Series Hook Blocks

380 Series
  • Wide range of product available.
  • Capacity: 4.5 - 270 Tonnes - Larger Models Available.
  • Sheave Sizes: (254mm - 762mm).
  • Wire Line Sizes: (11 - 35mm).
  • Manufactured by an ISO 9001 and APIQ1 certified facility.
  • All single point shank hooks are genuine Crosby®, forged alloy steel, Quenched and Tempered, and have the patented QUIC-CHECKTM markings (Duplex hooks are available on most sizes).
  • All easy ReeveTM Blocks are furnished standard with Roller Bearings
  • Reeving Guides Standard - All Models.
  • Heavy Duty Positive Locking (PL) Latch - All Models.
  • Sheave lubrication through centre pin - Separate lube channel to each bearing.
  • Sheaves 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 Series blocks, 406mm and larger, are furnished with McKissick® Roll-ForgedTM sheaves with flame hardened grooves.
  • Look for the Range Hook...the mark of genuine McKissick® quality.

CertexOptions Available

  • Bronze Bushed Sheaves
  • Duplex Hooks
  • Swivel Tee and Shackle Assemblies
  • Sheave Shrouds
  • Anti Rotation - Locking Device (45 tonnes & larger)
  • Plate Steel Cheek Weights

CertexDead End Chart

(Double, Triple & Quad sheave Blocks*)

Wire Rope Size Dimensions
(in.) (mm) T
Thickness
U
Hole Diameter
7/16 - 1/211-1325.432.5
9/161425.432.5
5/81625.432.5
3/41931.842.2
7/82231.842.2
12531.842.2
1 1/82844.565.0
1 1/23244.565.0
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