Steel Worm Assembly

$ 63.00
SKU: 75612
UPC: 091037756121


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Steel Worm Assembly

The Steel Worm Assembly includes a drive shaft collar, steel worm, and worm shaft. Factory-installed. Fits all BH-USA blocks. Match the steel worms to a bronze worm gear. Made from stress-proof hardened steel.

Does not include the key stock for the drive pulley.


(2) 3/4 in. Drive Shaft Collar
(1) Steel Single Thread Worm
(1) Gear Plate Assembly Worm Shaft

Do not attempt to use bronze on bronze components.


 Worm Type: Steel Worm
Worm Material: Polished, hardened steel
Thread: Single
Thread Direction: Right hand
Worm Diameter: 1 3/4 in.
Worm Length: 2 in.
Worm Bore: .754 in.
Driveshaft Material: Stress proof steel
Driveshaft Length: 11 3/4 in.
Driveshaft Diameter: .746 in.
Grease Fittings: 3
Grease Fitting Size: 1/4 in.
Collar Size: 1 1/4 in. x 1 1/4 in. x 1/2 in.
Collar Amount: 2
Collar Set Screw Size: 5/16 in.

Disclaimer: To enable existing hoist owners to repair or replace machined items, BH-USA makes available machine parts used exclusively in the Boat Hoist USA brand flat-plate hoist.BH-USA brand machined parts should NEVER be used with any other brand flat-plate hoist or machined parts. BH-USA does not warranty any individual machine part or any other re-built/repaired flat-plate hoists. Lift-Tex Inc. does not assume ANY liability for damages to a person or property when machined parts are used in the re-build of a flat plate hoist, regardless of brand. The purchase of, and use of any machine part sold by BH-USA is at the sole risk of the user and is non-returnable, and carries no warranty. BH-USA does not guarantee any individual machined part will fix an existing problem or work as designed. It is the recommendation of BH-USA to purchase a new flat-plate hoist that has been built and tested onsite at BH-USA rather than to attempt to repair an existing hoist.

Product Overview

  • Made from stress-proof hardened steel
  • Includes collars, steel worm, & worm shaft
  • Fits all BH-USA blocks
  • Match steel worm to bronze worm gear