Crowned Hex Head Machine Bolt - Length: 1-3/8", Thread: 1/4-28, Crowned Hex Head Machine Bolt, Cadmium Plated Steel
| Detail | Characteristic |
| FASTENER LENGTH | 1.516 INCHES MINIMUM AND 1.578 INCHES MAXIMUM |
| FEATURES PROVIDED | WASHER |
| GRIP DIAMETER | 0.398 INCHES NOMINAL |
| GRIP LENGTH | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| HEAD HEIGHT | 0.172 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, MACHNE, 125,000 PSI-CROWNEDHEXAGON HEAD, ADJUSTING |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.375 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 28 |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
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Unit of Measure
Discount Table - NAS428-4A13
- Unit
- Discount Price / %
- 50 - 99
- $1.84
- 100 - 499
- $1.79
- 500 - 999
- $1.57
- 1000 and up
- $1.49
Inventory |
N/A {0} |
Estimated Ship Date |
N/A {N/A} |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Thread Size |
N/A 0.2500-28 |
Length |
N/A 1.375 in |
Head Type |
N/A Hexagon |
Industry Standards/Certification |
N/A NAS428 |
Weight |
N/A 0.02 lb |
Alternate Part Number |
N/A NAS428-4-13 |
NSN |
N/A 5306-01-482-4566 |
NIIN |
N/A 01-482-4566 |
Part # Unpunctuated |
N/A NAS4284A13 |
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. |
