Boat Lift Drive Pipe Bolts, Axle Bolts & 4" Aluminum Sheaves | Heavy-Duty Marine Fasteners

Explore our premium Boat Lift Hardware Collection—now featuring rugged drive pipe bolts, axle bolts, and our new 4" x 3/4" Aluminum Sheave with Oilite Bronze Bushing. Designed for marine, dock, and heavy-duty machinery use, these components are built to withstand harsh environments and deliver reliable, long-term performance.

Whether you're securing sheave housings, installing cable winders, or guiding lift cables, our products are engineered to simplify installation, reduce maintenance, and improve overall durability. The addition of our aluminum sheave adds efficient cable guidance with its self-lubricating bronze bushing—perfect for smooth, quiet operation in boat lift and dock systems.

From corrosion-resistant stainless steel bolts to lightweight aluminum pulleys, Monster Bolts offers a full solution for your marine rigging needs. Trusted by professionals and DIYers alike, our hardware delivers strength, precision, and peace of mind in every lift.