KDA|Ceramic Screws|Torque Test

Our ceramic screws are used in the world.

The Torque Breaking Strength Test

The result of the ceramic screws torque test.

（N・m）	M3	M4	M5	M6	M8	M10
Alumina	0.6	1.1	2.2	2.9	5.0	18.6
Zirconia	0.6	2.0	2.7	3.3	12<	12<

*　If you want to know the test conditions, please look at the next item.

The condition of the test

Object	Alumina Bolt (Hexagon Head) M3, M4, M5, M6, M8, M10 Zirconia Bolt (Hexagon Head) M3, M4, M5, M6, M8, M10
Test way	Please look at drawing No.1
Test meter	Round Dial Gauge Torque Screw Driver　　　KANON 　 10DPSK/20DPSK/N50DPSK
Test place	In our office　　　Temperature 25°C
Date	10th of March, 2007.

The drawing of test scene

We had tested the torque for our ceramic bolts.

We twist it with torque driver until they were broken.

We hold the ceramic bolts under the bolt head,
from 0mm to 5mm.