Explore precision-machined hardware from Monster Bolts—all proudly made in the USA. From corrosion-resistant 316 stainless sheaves that keep boat-lift cables running smoothly, to heavy-duty 3/4" axle bolts with grease (zerk) fittings for effortless maintenance, and lightweight 7" rectangular aluminum block hinges for industrial enclosures or custom fabrication projects. Each part is CNC-machined to tight tolerances, inspected in-house, and stocked for fast shipping—giving builders, marine contractors, and OEMs the confidence of reliable, American-made performance in demanding environments.


USA-Made 4" x 3/4" Aluminum Sheave, 3/4" Oilite Bronze Bushing - Smooth & Reliable Pulley for Boat Lifts
Sale priceFrom $26.52
Regular price$37.55


USA-Machined 316 Stainless Steel Axle Bolt Kit (3/4" x 3-1/2") w/ Zerk Grease Fitting – Ideal for Boat Lift Sheave Kits
Sale priceFrom $13.10
Regular price$23.08


USA-Machined 316 Stainless Steel Drive Pipe Cable Attachment Bolt (5/8"-11 x 3-1/2") – Engineered for Side-Mounted Cable Winders
Sale priceFrom $9.43
Regular price$11.63



















