McKissick 407 Block w/ Tail Board

10″ Sheave – 20 Ton Working Load Limit



Item Number: 103603

Sheave Diameter: 10″

Bearing Code: BB

Wire Rope Size: 1 – 1 1/8″

Working Load Limit (t): 20

Weight (lbs.): 55


Drop forged, heat treated swivel hook or swivel shackle.

Hook and shackle assemblies on 8″ through 14″ sizes can be interchanged.

Can be furnished with bronze bushings or roller bearings.

Pressure lube fittings.

8″ and 10″ models furnished with dual rated wireline sheaves.

Fatigue rated.

All sizes are RFID EQUIPPED.

Meets or exceeds 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 fatigue life, impact properties and material traceability, not addressed by ASME B30.26.


McKissick is an ISO 9001 certified facility. That, in addition to being an API Q1 producer, reinforces McKissick’s, as well as The Crosby Group’s commitment to quality.

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