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Product Description
The McKissick 401 Series High Capacity Tail Board Snatch Block is a heavy-duty rigging block engineered for extreme-load wire rope applications in demanding industrial and construction environments. Rated at 60 tons, this block is purpose-built for high-capacity pulling, rigging, and load-redirecting operations where reliability and structural integrity under sustained stress are non-negotiable. The 401 Series is part of McKissick's established line of high-capacity snatch blocks, recognized across the rigging, oilfield, marine, and heavy construction industries for their rugged performance and long service life.
This block features a 12-inch sheave outside diameter and is designed to accommodate wire rope cable ranging from 1-1/8 to 1-1/4 inches in diameter. The wide cable acceptance range provides flexibility across different rigging configurations and wire rope specifications. The sheave runs on a bronze bushing bearing, a proven bearing type in heavy rigging applications that offers excellent load-bearing capacity, resistance to shock loading, and reliable performance in environments where lubrication and maintenance access may be limited. Bronze bushings are well-suited to the slow, high-load movements typical of heavy snatch block use.
The tail board design of the 401 Series allows the block to be secured to a fixed anchor point while redirecting the pull of a wire rope, making it highly effective in multi-part line rigging systems, winching operations, and heavy load movement on construction sites, shipyards, and industrial facilities. As with all high-capacity rigging hardware, proper inspection before each use, correct installation, and strict adherence to the rated working load are essential for safe operation.
Material:
Steel construction Bronze bushing bearing
Compatible With:
1-1/8 to 1-1/4 in diameter wire rope cable High-capacity winching and pulling systems Tail board anchor rigging configurations
Uses:
High-capacity load redirecting and pulling operations Heavy construction and civil engineering rigging Shipyard and marine rigging applications Oilfield and industrial winching operations Multi-part line rigging systems
Key Features:
60 ton working load capacity 12 in sheave outside diameter Accepts wire rope from 1-1/8 to 1-1/4 in diameter Bronze bushing bearing for high-load performance High capacity tail board snatch block configuration 401 Series — McKissick high-capacity rigging block line McKissick brand — established rigging hardware manufacturer
| Specification | Value |
|---|---|
| Sheave Outside Diameter | 12in |
| Maximum Cable Size | 1-1/8 to 1-1/4in |
| Cable Type | Wire Rope |
| Bearings | Bronze Bushing |
| Load Capacity | 60ton |
| Series | 401 |
| Type | High Capacity Tail Board |