
Close Tolerance Bolt - Drilled Shank - Length: 1.737", Grip: 1.312", Thread: 1/4-28, Hex Head, Drilled Shank, Tension, Long Thread, Cadmium Plated Alloy Steel
| Detail | Characteristic | 
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.284 INCHES MINIMUM FIRST HOLE AND 0.334 INCHES MAXIMUM FIRST HOLE | 
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM | 
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | 
| GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,4340 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6049,8740 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL OVERALL | 
| NOMINAL THREAD DIAMETER | 0.250 INCHES | 
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.425 INCHES NOMINAL | 
| THREAD QUANTITY PER INCH | 28 | 
| WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | 
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| 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 0.003 lb | 
| Alternate Part Number | N/A NAS1304-21D | 
| NSN | N/A 5306-01-448-8309 | 
| NIIN | N/A 01-448-8309 | 
| Part # Unpunctuated | N/A NAS6604D21 | 
| Minimum Order Note | N/A Minimum order is 10. 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. | 
