Fillister Head Machine Screw - Length: 1/2", Thread: 1/4-20, Fillister Head Machine Screw, Cadmium Plated Carbon Steel, Coarse Thread
| Detail | Characteristic |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
| HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.237 INCHES MAXIMUM |
| HEAD HOLE CONFIGURATION STYLE | ROUND |
| HEAD STYLE | FILLISTER |
| HOLE DIAMETER | 0.062 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| INTERNAL DRIVE STYLE | SLOT |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 20 |
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Unit of Measure
Inventory |
N/A {0} |
Estimated Ship Date |
N/A {N/A} |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Head Angle |
N/A 100 ? |
Industry Standards/Certification |
N/A AN507 |
Weight |
N/A 0.01 lb |
Alternate Part Number |
N/A AN500A416-8 |
NSN |
N/A 5305-00-543-4302 |
NIIN |
N/A 00-543-4302 |
Part # Unpunctuated |
N/A MS3526579 |
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. |


