FASTENER LENGTH | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
HEAD HEIGHT | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
POINT DIAMETER | 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
POINT LENGTH | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
POINT STYLE | DOG |
WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |