Gray Tools
Gray Tools 3182B 12 Point Combination Wrench 2-9/16
A 2-9/16 inch 12-point combination wrench with corrosion-resistant black oxide finish meeting ANSI standards
- 12-point precision broaching for secure fastener grip
- 2-9/16 inch hex size handles large heavy-duty bolts
- Black oxide finish resists corrosion in tough environments
- Meets ANSI standards for professional reliability
- California Proposition 65 chemical warning applies
Professional Grade Combination Wrench
The Gray Tools 3182B is a 12-point combination wrench sized at 2-9/16 inches for heavy-duty fastening tasks. It targets professional mechanics and industrial technicians who require reliable performance on large hex hardware. The precision broached opening ensures a secure fit on stubborn bolts and nuts. This tool is not suited for users needing smaller drive sizes or ratcheting mechanisms.
Thermal And Mechanical Performance
The black oxide finish provides corrosion resistance during extended use in harsh shop environments. As a manual hand tool, it generates no operational heat, noise, or power draw under normal working conditions. The solid steel construction absorbs high torque loads without flexing or deforming. Performance remains consistent regardless of ambient temperature or humidity levels.
Build Quality And Daily Use
The wrench meets ANSI standards for dimensional accuracy and material strength. Its 12-point drive geometry allows engagement at multiple angles in confined spaces. The black oxide coating resists rust while reducing glare under bright workshop lighting. California Proposition 65 warnings apply due to chemical content in the finish.
Highlights
- 12-point precision broaching for secure fastener grip
- 2-9/16 inch hex size handles large heavy-duty bolts
- Black oxide finish resists corrosion in tough environments
- Meets ANSI standards for professional reliability
- California Proposition 65 chemical warning applies
Specifications
| Brand | GRAY TOOLS |
|---|
Questions about this item
How do I fit the 12-point box end onto a 2-9/16" hex fastener without rounding the corners?
Align the broached 12-point opening squarely on the fastener flats, then apply steady torque; the precision broach grips all 12 contact points so the load spreads evenly and the corners stay intact.
What upkeep does the black oxide finish need to stay corrosion resistant?
Wipe the wrench dry after each use, apply a light coat of machine oil, and store it in a low-humidity drawer; the oxide layer resists rust but does not replace regular cleaning and oiling.
At what point does the 12-point geometry become the limiting factor under sustained heavy torque?
When the applied force approaches the ANSI-rated limit for a 2-9/16" wrench, the 12-point walls will deflect before the fastener yields, so stop and use a larger drive tool instead.
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