Bolt - Length: 0.887", Grip: 0.375", Thread: 1/4-28, External Wrenching Bolt, Flanged, 12 Point, Cadmium Plated Steel Alloy, Drilled Head
| Detail | Characteristic | 
| EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | 
| EXTENDED WASHER THICKNESS | 0.069 INCHES NOMINAL | 
| FASTENER LENGTH | 0.887 INCHES NOMINAL | 
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | 
| GRIP LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | 
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD HEIGHT | 0.300 INCHES NOMINAL | 
| HEAD STYLE | DOUBLE HEXAGON W/HOLE | 
| HOLE CONFIGURATION STYLE | ROUND | 
| HOLE DIAMETER | 0.037 INCHES NOMINAL | 
| HOLE TYPE | DRILLED | 
| HOLE QUANTITY | 4 | 
| MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 4140 OVERALL | 
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.250 INCHES | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.502 INCHES MINIMUM AND 0.522 INCHES MAXIMUM | 
| THREAD SERIES DESIGNATOR | UNJF | 
| THREAD QUANTITY PER INCH | 28 | 
| WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | 
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                    Unit of Measure
                    
               
        
            Discount Table - MS21250H04006
- Unit
 - Discount Price / %
 - 10 - 24
 - $6.38
 - 25 - 99
 - $6.05
 - 100 - 499
 - $5.38
 - 500 and up
 - $5.04
 
                                                                                Inventory | 
                                                                        N/A {0} | 
                                                                                Estimated Ship Date | 
                                                                        N/A {N/A} | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (877) 920-1876 or email | 
                                                                                Weight | 
                                                                        N/A 0.02 lb | 
                                                                                NSN | 
                                                                        N/A 5306-00-145-0784 | 
                                                                                NIIN | 
                                                                        N/A 00-145-0784 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A MS21250H04006 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 5. Must order in increments of 1. | 
                                                                                Country of Origin | 
                                                                        N/A USA | 
                                                                                Note | 
                                                                        N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment. | 
                                                                                California Residents | 
                                                                        N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. | 
 

