Flush Reduced Head Bolt - Length: 0.778", Thread: 1/4-28, Shear 100°, Flush Head Bolt, Corrosion Resistant Steel, Offset Cruciform
Detail | Characteristic |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
FASTENER LENGTH | 0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM |
GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
GRIP LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
HEAD STYLE | FLAT COUNTERSUNK |
INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | IRON ALLOY 660 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-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 28 |
SPECIFICATION/STANDARD DATA | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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Unit of Measure
Discount Table - NAS1580C4T6
- Unit
- Discount Price / %
- 50 - 99
- $0.49
- 100 - 499
- $0.48
- 500 - 999
- $0.46
- 1000 and up
- $0.44
Inventory |
N/A {14334} |
Estimated Ship Date |
N/A Ships in 1 Business Day |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Weight |
N/A 0.0011 lb |
NSN |
N/A 5305-01-137-3945 |
NIIN |
N/A 01-137-3945 |
Part # Unpunctuated |
N/A NAS1580C4T6 |
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. |