
Close Tolerance Bolt - Length: 1.058", Grip: 0.688", Thread: 1/2-28, 100°, Close Tolerance Bolt, Reduced Head Short Thread, Cadmium Plated Alloy Steel, Tri-Slot Recess
| Detail | Characteristic | 
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | 
| FASTENER LENGTH | 1.043 INCHES MINIMUM AND 1.073 INCHES MAXIMUM | 
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | 
| GRIP LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM | 
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD DIAMETER | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | 
| HEAD STYLE | FLAT COUNTERSUNK | 
| INTERNAL DRIVE STYLE | TRI-WING RECESS | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL | 
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.2500 INCHES | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL OR CHROMATE OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.370 INCHES NOMINAL | 
| THREAD SERIES DESIGNATOR | UNJF | 
| THREAD QUANTITY PER INCH | 28 | 
| SPECIFICATION/STANDARD DATA | 80205-NAS4404 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
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                                                                                Inventory | 
                                                                        N/A | 
                                                                                Estimated Ship Date | 
                                                                        N/A | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (888) 335-2870 or email | 
                                                                                Thread Size | 
                                                                        N/A 0.2500-28 | 
                                                                                Length | 
                                                                        N/A 1.058 in | 
                                                                                Grip | 
                                                                        N/A 0.688 in | 
                                                                                Head Type | 
                                                                        N/A Countersunk | 
                                                                                Head Angle | 
                                                                        N/A 100 º | 
                                                                                Industry Standards/Certification | 
                                                                        N/A NAS4404 | 
                                                                                Weight | 
                                                                        N/A 0.015 lb | 
                                                                                NSN | 
                                                                        N/A 5305-01-259-3549 | 
                                                                                NIIN | 
                                                                        N/A 01-259-3549 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A NAS440411 | 
                                                                                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. |