Straight Threaded Grease Fitting (Zerk Type) with Check-Ball Valve

Brief Overview

This is a standard straight-threaded grease fitting (Zerk-style) designed for integration into centralized lubrication systems across industrial machinery, automotive equipment, and production devices. The fitting features a check-ball valve that prevents backflow and contamination when the grease gun is disconnected. The hexagonal mid-section allows secure installation with a wrench, ensuring reliable positioning in high-vibration environments. Pair these with alternative fitting configurations or specialized hose assemblies to build complete lubrication networks for your customers' equipment.

Key Features

• Check-Ball Valve Design: Prevents grease backflow and keeps contaminants out of lubrication passages
• Hexagonal Wrench Flats: Enables firm installation without rotation of the fitting body
• Yellow Zinc-Plated Finish: Corrosion-resistant coating for extended service life in industrial environments
• Threaded Male Shank: Direct integration into existing machine lubrication ports
• Precision-Machined Construction: Ensures consistent sealing and reliable grease delivery

Why This Matters for Your Business

Margin Opportunity: Grease fittings are high-turnover, low-cost-per-unit items with consistent demand across manufacturing, mining, agricultural, and automotive sectors. OEM equipment manufacturers and maintenance shops require them in volume.

Customer Stickiness: Once a lubrication system is fitted with a specific style, customers return to stock identical replacements. Offering a reliable, complete range of fitting types builds long-term distributor relationships.

Bulk Potential: Most facilities operate hundreds of lubrication points. A single fleet, factory, or service network can justify orders of 50–500+ units per year.

Technical Specifications

Specification	Detail
Fitting Type	Straight threaded (Zerk-style)
Valve Type	Check-ball (one-way)
Material Finish	Yellow zinc-plated steel
Installation Method	Direct thread into lubrication port; wrench-secured at hexagonal flats
Flow Path	Unidirectional (grease in, backflow blocked)
Application	Centralized lubrication systems, machinery, automotive equipment

Call to Value

Stock this foundational component to serve maintenance shops, OEM assemblers, and industrial facilities. Grease fittings are consumable-adjacent—they don't wear out, but they're lost, damaged, or replaced during equipment maintenance cycles, creating recurring orders. Pair with complementary hose connections and build a complete lubrication portfolio that makes your company the go-to supplier.