USA-Machined 3/4" × 3-1/2" 316 Stainless Steel Axle-Bolt Kit with Zerk Fitting, Hex Nut & Lock Washer

Marine-Grade Fastening Solution for Sheave Systems, Boat Lifts & Dock Assemblies

Get a complete, rust-resistant solution with our 3/4"-10 × 3-1/2" Axle-Bolt Kit, precision-machined in Florida from imported 316 stainless blanks. A built-in 1/4" zerk grease fitting plus the included 316 SS hex nut and split lock washer give you everything needed for fast, secure installation in harsh marine environments.

Key Features

• USA Machining: CNC-finished threads and zerk seat for flawless fit.
• Complete Kit: Axle bolt, 316 hex nut, 316 split lock washer.
• Heavy-Duty Dimensions: 3/4" dia × 3-1/2" length, 10 TPI coarse.
• Grease Fitting: Built-in 1/4" zerk speeds maintenance.
• 316 Marine-Grade Steel: Superior corrosion resistance for salt & spray.

Product Description

All-in-One Convenience: Nut locks the assembly; split washer fights vibration—ideal for sheave housings, beam clamps, or rotating rigs.

Maintenance Simplified: Zerk lets you grease without teardown, cutting downtime and wear.

Marine-Ready Strength: A4 stainless shrugs off rust, pitting, and UV—perfect for boat-lift & dock hardware.

Specifications

• Bolt Size: 3/4"-10 × 3-1/2"
• Material: 316 (A4) stainless steel
• Origin: Bolt machined in USA from imported blank; nut & washer imported
• Grease Fitting: 1/4" stainless zerk (press-fit)
• Total Weight: ≈ 0.5 lb
• Applications: Boat-lift cable systems, dock assemblies, aluminum sheave housings, I-beam brackets

Why Choose This Kit?

Corrosion Armor: Full 316 stainless build resists salt & humidity.
Domestic Precision: U.S. machining ensures perfect threads & concentricity.
No Extra Parts Needed: Kit ships ready for immediate install.

*Bolt blank sourced internationally; final machining and QC performed in Florida, USA. Nut & washer are globally sourced to Monster Bolts specs.*

Matching Components

• 4" Aluminum Sheave – perfect companion for smooth cable guidance.
• Drive-Pipe Cable Attachment Bolt – anchors cable loops to drive pipe.

Order Yours Today!

Upgrade your boat-lift or dock with this USA-machined 316 Axle-Bolt Kit. Buy now and enjoy fast shipping plus Monster Bolts’ expert support.

✔️ Trusted by marine & industrial pros  ✔️ Built for long-term saltwater exposure