Thread Type: metric       Material: SS410 stainless steel       Color: black       Threading: fully threaded       Fastener screw type: cross round head tapping self drilling screw      
dk | k | thickness | Load (kg) | Attack-in speed /s | Speed | |
M3.9 | 7.25 | 2.65 | 2~3 | 14~16 | 3.5~4.5 | 1 800~2500 |
M4.2 | 7.9 | 2.85 | 3~4 | 25~ 30 | 4.5~6 | 1 800~2500 |
M4.8 | 9.3 | 3.5 | 4~6 | 28~35 | 7~8 | 1 800~2500 |
M5.5 | 10.8 | 4 | 4~8 | 35~40 | 11~12 | 1 800~2500 |