| Buell XB and Sportster, Header 5/16 UNF Flange nut ( 1x )  size 5/16 x 24, ( UNF )  Stainles steel for exhaust headers. with seration  Fits all Buell Xb and Tube frame models (all years) all XL and XR1200 models. 
	
		
			| Material | 18-8 Stainless Steel |  
			| Thread Size | 5/16"-24 |  
			| Thread Type | UNF |  
			| Thread Spacing | Fine |  
			| Thread Fit | Class 2B |  
			| Thread Direction | Right Hand |  
			| Width | 1/2" |  
			| Height | 9/32" |  
			| Flange |  |  
			| Diameter | 43/64" |  
			| Thickness | 0.11" |  
			| Drive Style | External Hex |  
			| Nut Type | Flange, Locknut |  
			| Hex Nut Profile | Standard |  
			| Locking Type | Serrations |  |