Designed with a 5:1 Design Factor for (Carbon Steel); 4:1 Design Factor for (Alloy Steel).
Eye hooks are load rated.
Proper design, careful forging and precision controlled quenched and tempering give maximum strength without excessive weight and bulk.Every Crosby Eye Hook has a pre-drilled cam which can be equipped with a latch.
Even years after purchase of the original hook, latch assemblies can be added.
(See pages 101 - 103)Chemical analysis and tensile tests performed on each PIC to verify chemistry and mechanical properties.
Type Approval and certification in accordance with ABS 2006 Steel Vessel Rules 1-1-17.7,and ABS Guide for Certification of Cranes.
Hoist hooks incorporate two types of strategically placed markings forged into the product which address two (2) QUIC-CHECK® features:Deformation Indicators and Angle Indicators (see following page for detailed definition).
The following additional features have been incorporated in the new Crosby S-320NEye Hoist Hooks.
(Sizes 3/4 metric ton Carbon through 22 metric ton Alloy.)Metric Rated at 5:1 Design Factor for (Carbon Steel); 4:1 Design Factor for (Alloy Steel).
Can be proof tested to 2-1/2 times the working Load Limit.Low profile hook tip.
New integrated latch (S-4320) meets the World class standard for lifting.
Heavy duty stamped latch interlocks with the hook tip.
High cycle, long life spring.
When secured with proper cotter pin through the hole in the tip of hook, meets the intent of OSHA Rule 1926.
550(g) for personnel hoisting.
Fatigue rated at 1-1/2 times the Working Load Limit at 20,000 cycles.