Description
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The McKissick 420-421 Snatch Blocks are forged of alloy steel and heat treated this includes the hooks and side plates as well as the shackles and yokes. The side plates are designed to eliminate the possibility of the rope jamming. 

 

  • The Snatch block can be furnished with Bronze bushed bearings or sealed roller bearings.
  • Opening feature permits insertion of rope while the block is suspended from a gin-pole
  • Comes Furnished with an S-4320 Hook Latch.
  • Pressure Lube Fittings
  • Hook and shackle assemblies can be interchanged
  • Blocks furnished with dual rated wireline sheaves
  • All snatch blocks are fatigue rated
  • All sizes are RFID-equipped
  • Meets and exeeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatuige life and material tracability, not addressed by ASME B30.26 
Sheave Diameter (mm) Bearing Code 420 With Hook SKU 421 With Shackle SKU Wire Rope Size (mm) Working Load Limit (Tonnes) Weight 420 With Hook (kg) Weight 421 With Shackle (kg)
152 BB 169376 169481 19-22 12 18.1 21.8
152 RB 169394 204120 19-22 12 18.1 21.8
203 BB 169420 169515 19-22 15 23.1 25.9
203 RB 169447 204193 19-22 15 23.1 25.9
254 BB 169223 110720 19-22 15 28.6 31.3
254 RB 169260 110757 19-22 15 28.6 31.3

             ** BB - Bronze Bushed Bearings      ** RB - Roller Bearings