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.
Includes:
(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.
Specifications
| Â 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







