Flex-Loc - 1/2-13 UNC 18-8 Heavy Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications
Item #: 67544320
Brand: Flex-Loc
Model #: 50FK-813
Exact Tooling IR#: 04
Features and Benefits
Heavy hex lock nuts have thicker heads than standard hex nuts. They are used with large-diameter, high-strength bolts. 
| Product Specifications | |
|---|---|
| System of Measurement | Inch | 
| Type | Heavy Hex Lock Nut | 
| Material | Stainless Steel | 
| Thread Size | 1/2-13 | 
| Height (Decimal Inch) | 0.3280 | 
| Material Grade | 18-8 | 
| Finish/Coating | Uncoated | 
| Thread Direction | Right Hand | 
| Locking Style | Expanding Flex Top | 
| Flange Diameter (Decimal Inch) | 0.8030 | 
| Width Across Flats (Decimal Inch) | 0.8140 | 
| Thread Standard | UNC | 
| Thread Fit Class | 2B | 
| Fastener Standard | MIL-S-7742 | 
| Military Specification | Meets Military Specifications | 
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