Thread Type: metric       Material: SS410 stainless steel       Threading: fully threaded       Fastener screw type: cross round head tapping self drilling screw with washer      
dk | k | base material thickness | load(kg) | Drill in speed(s) | rotation rate | |
M4.2 | 10.8 | 2 | 3~4 | 25~ 30 | 4.5~6 | 1 800~2500 |
M4.8 | 12.8 | 2.3 | 4~6 | 28~35 | 7~8 | 1 800~2500 |