Type | Material | Surface finish | |
With wrench slot | Without wrench slot | ||
SEWS | SEZS | SUS303 | / |
SEWQN | SEZQN | 1215 Environmental protection iron | Electroless nickel plating |
SEWH | SEZH | H59 | / |
With wrench slot | Without wrench slot | L≥M×2+NX2 | BS≤L-e1 | when BS≤M×3,must W-M≥2.when L-BS≤N×3,must W-N≥2 | |||
SEWS SEWQN SEWH |
SEZS SEZQN SEZH |
D | L designated unit 1mm |
BS designated unit 1mm |
coarse thread M choice N choice |
W | e1 |
6 | 15~50 | 0~42 | 3,4 | 5 | 8 | ||
8 | 15~150 | 0~142 | 3,4,5 | 7 | |||
10 | 20~350 | 0~342 | 4,5,6 | 8 | |||
12 | 25~400 | 0~390 | 5,6,8 | 10 | 10 | ||
15 | 30~400 | 0~390 | 6,8,10 | 13 | |||
20 | 40~400 | 0~390 | 6,8,10,12 | 17 |