Screw diameter (mm)
4.0
Screw length L (mm)
20
Tolerance L (mm)
±0.65
Head diameter D (mm)
8.30
Tolerance D (mm)
0 -0.58
Head height K (mm)
2.90
Tolerance K (mm)
0 -0.25
Recess
TORX PLUS® AUTOSERT® 20 IP
Breaking torque (Nm)
3.83
Core hardness (HV)
327-382
Surface hardness (HV)
min. 336
Units per bag
1250
Outer box units
5000
GTIN
8425586584416
Weight (kg/th)
1.795
Thread pitch P (mm)
1.46
In order to ensure a safe installation and stable clamping force, it's relevant to pay attention to the boss design. The recommended dimensions for core hole diameter and length of engagement are available at Design Guidelines.