Flush Reduced Head Bolt - Length: 0.653", Thread: 1/4-28, Shear 100°, Flush Reduced Head Bolt, Alloy Steel, Offset Cruciform
| Detail | Characteristic |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.653 INCHES NOMINAL |
| GRIP DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL OR CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.403 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |
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Inventory |
N/A {46} |
Estimated Ship Date |
N/A {N/A} |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Weight |
N/A 0.01 lb |
NSN |
N/A 5305-01-417-4446 |
NIIN |
N/A 01-417-4446 |
Part # Unpunctuated |
N/A NAS1581F4T4 |
Minimum Order Note |
N/A Minimum order is 50. 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. |
