A-B17091633SM-AI HN, 9/16F GR B PHOSPH
A-B17091633SM-AI HN, 9/16F GR B PHOSPH
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One New Aftermarket Replacement Hex Nut - 9/16"-18 UNF, Grade B, Phosphate Finish
This 9/16"-18 UNF (fine thread) hex nut is a Grade B carbon steel fastener with a phosphate (black phosphate) finish. Phosphate-coated hex nuts offer improved corrosion resistance and paint adhesion compared to plain steel, making them a common choice in agricultural, construction, and industrial equipment assembly and repair. The six-sided profile accepts standard 7/8" wrenches and sockets for easy installation and removal.
Specifications
- Type: Finished Hex Nut
- Thread Size: 9/16"-18 UNF (fine thread)
- Grade: SAE / ASME Grade B
- Finish: Phosphate (black phosphate)
- Wrench Size: 7/8" across flats
- Thread Direction: Right-hand
Compatible Applications
General-purpose fastener for use in agricultural equipment, construction equipment, lawn and garden machinery, and general industrial applications wherever a 9/16"-18 fine thread Grade B hex nut with phosphate finish is specified.
Replaces Part Number(s):
A-B17091633SM-AI
New aftermarket replacement part - not remanufactured, not used.



