| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| FEAT |
SPECIAL FEATURES |
HEAD: PLAIN OR KNURLED IS ACCEPTABLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTMB633,TYPE1 ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| AATN |
SHOULDER DIAMETER |
0.246 INCHES MINIMUM FIRST SHOULDER AND 0.248 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| AASB |
FASTENER LENGTH |
0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AATX |
SHOULDER LENGTH |
0.620 INCHES MINIMUM FIRST SHOULDER AND 0.630 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASU |
HEAD HEIGHT |
0.177 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |