Screw diameter (mm)
4.0
Screw length L (mm)
8
Tolerance L (mm)
±0.3
Head diameter D (mm)
9.00
Tolerance D (mm)
0 -0.50
Head height K (mm)
3.50
Tolerance K (mm)
0 -0.25
S (mm)
7
Breaking torque (Nm)
5.00
Core hardness (HV)
286-372
Surface hardness (HV)
min. 446
Units per bag
2500
Outer box units
10000
GTIN
8425586062730
Weight (kg/th)
1.662
Thread pitch P (mm)
0.70
taptite-ii-tt78-screw-drawing

In order to ensure a safe installation and stable clamping force, it's relevant to pay attention to the pilot hole diameter. The recommended dimensions for core hole diameter and length of engagement are available at Design Guidelines.

Go to Design Guidelines