Rotor T-nuts are used with Dynamic Mount Hats or Rotor Adapters.  These sintered steel t-nuts are available in different thickness and bolt hole sizes.
        
       Wilwood Sintered Steel T-Nut Rotor 0.216in Width 0.251in Thread - 300-5507
Wilwood
        
                MSRP:
        
        
            $5.63
        
    
    
    
        
            
        
        
        $5.21
    
         
                (You save
                
                    $0.42
                
                )
         
            - SKU:
 - WIL300-5507
 - UPC:
 - 889545026115
 - Availability:
 - Regularly stocked product
 - Shipping:
 - Calculated at Checkout
 - Clearance Item:
 - N
 - Proposition 65:
 - N
 - Special Order:
 - Y