Thread surface |
non-lubricated |
lubricated |
black or phosphate coating |
0.14 to 0.21 |
0.12 to 0.15 |
galvanic zinc coating |
0.13 to 0.18 |
0.12 to 0.17 |
cadmium plating |
0.08 to 0.12 |
0.08 to 0.11 |
Thread surface |
non-lubricated |
lubricated |
black or phosphate coating |
0.14 to 0.21 |
0.12 to 0.15 |
galvanic zinc coating |
0.13 to 0.18 |
0.12 to 0.17 |
cadmium plating |
0.08 to 0.12 |
0.08 to 0.11 |