Crosby Western and Marine Pulley Sheave Blocks

Loose side hook with laser cut side plates. Uses grade 5 bolts secured with lock washers and staked nuts. Bronze brushed sheaves with larger bearing diameter ensure an extended block life.

Steel blocks For 3/8" diameter wire cable with sheave sizes of 3 x 3/4 x 3/8".

New style blocks feature higher working load limits, made from painted or galvanized steel with replaceable wood bumpers. The laser cut side plate opens for easy insertion of wire rope. The design incorporates exclusive bolt retaining sprint to assure no lost bolts, plus utilizes secondary retaining pin.

Features: Bronze brushed sheaves with larger bearing diameter for extended block life, utilizes Crosby "N" style hooks with integrated latch, lubricated centre pin, 10" and 12" sizes utilize steel sheaves.

Used for light housing by roofers and contractors and is furnished with drop forged swivel latch hooks.

Rope blocks with laser cut painted side plates (these can be furnished as galvanized upon request). Complete with grade 5 bolts secured with lock washers and staked nuts. All sizes of the block feature bronze brushed steel sheaves with larger bearing diameter for extended. New style hanger for fitting attachment; available with hanger only (no fitting).

These lead blocks have self-lubricated bronze bearings. They are available painted or galvanized. The base plates are not drilled.

 

Regular wood block with laser cut side plates, with Grade 5 bolts secured in place with lock washers and staked nuts. Bronze brushed sheaves with larger bearing diameter for extended block life. Beckets furnished on all blocks.

This unit is available painted or galvanized, fitted as standard with steel sheaves, self lubricated and bronze bushed.

These blocks are built to carry the increased loads of synthetic fibre ropes. All hooks are heat-treated alloy steel. You can now use a smaller size rope, and in turn a smaller block, providing capacities which were previously not possible.

Manila block with laser cut side plates. Uses grade 5 bolts secured with lock washers and staked nuts. Bronze brushed sheaves with larger bearing diameter ensure an extended block life. New style hanger for fitting attachment.

On this unit, the base plates are drilled, it is available painted or galvanized, all units are fitted with steel sheaves, are self-lubricated and bronze brushed.

These blocks are available painted or galvanized and are fitted with steel sheaves as standard. Every unit is supplied self lubricated and bronze brushed.