SKU: WEHWM491125A
MPN: WM491125A
The WEHRS MACHINE Jam Nuts 1-1/8IN Fine Aluminum Screw Jack (Part No. WM491125A) is a precision fastening component engineered for applications requiring secure, adjustable mechanical load support. These black anodized aluminum jam nuts feature 1-1/8-12 right-hand thread specifications, delivering reliable clamping force in recovery operations, equipment mounting, and vehicle suspension tuning where repeatable, tool-free adjustment is critical.
The fine 1-1/8-12 thread pitch (12 threads per inch) provides finer incremental adjustment compared to coarser pitches, essential when precise height or load positioning is required. Aluminum construction keeps overall weight minimal at 0.14 lbs per unit while the black anodized finish resists corrosion in field conditions and salt environments. The set of four jam nuts allows users to configure multiple adjustment points or maintain spare fasteners during extended field operations or off-road recovery scenarios.
Operators, mechanics, and equipment specialists rely on dedicated jam nuts when factory fasteners lack adjustability or when load-bearing components require periodic fine-tuning without full disassembly. Right-hand threading ensures compatibility with standard U.S. fastening conventions. These are suited for suspension leveling kits, hydraulic load cells, winch mounting brackets, and any application where dual-nut locking or micro-adjustments prevent vibration-induced loosening under dynamic field conditions.
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