- Black Oxide Finish
 - Case Hardened
 - Material: 12L14 steel
 - Tops and bottoms also sold separately
 - Reduces stress on threads
 - Bottom Washer can be used with Spherical Flange Nuts
 - Compensates for slight misalignment between the workpiece and strap clamp
 - Many sizes conform to TCMAI standards
 - Special sizes quoted upon request
 
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Material | 
                                                                        N/A 12L14 Steel | 
                                                                                Finish | 
                                                                        N/A Black Oxide | 
                                                                                Male Part No. A | 
                                                                        N/A 42721 | 
                                                                                Female Part No. B | 
                                                                        N/A 42741 | 
                                                                                Stud Size | 
                                                                        N/A 1/4 3/16 | 
                                                                                Ref. C | 
                                                                        N/A 0.188 in | 
                                                                                Total Degree of Rotation | 
                                                                        N/A 5 º8 º | 
                                                                                Weight per 100 pcs | 
                                                                        N/A 0.01 lb | 
                                                                                Type | 
                                                                        N/A Set of Spherical Washers | 
                                                                                Outside Diameter | 
                                                                        N/A 0.625 in | 
                                                                                Inside Diameter | 
                                                                        N/A 0.281 in | 
                                                                                Radius | 
                                                                        N/A 0.750 in | 
                                                                                Inside Diameter A | 
                                                                        N/A 0.313 in |