Torque test of our products

The Torque Braking Strength test of our ceramic screws.

Torque test data of Ceramic Screws

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Torque Brake Strength Test

Results of ceramic screw torque testing.

Material M2 M3 M4 M5 M6 M8 M10
Alumina (Nm) 0.10 0.3 0.8 2.0 5.2 10.2 12<
Zirconia (Nm) 0.13 0.7 1.2 4.6 5.6 12< 12<
*Refer below for the test conditions.

Test conditions

Materials Alumina bolts (Hexa head) M2, M3, M4, M5, M6, M8, M10
Zirconia bolts (Hexa head) M2, M3, M4, M5, M6, M8, M10
Method Refer to Dia.1 below.
Gauge Round dial gauge torque screw driver / wrench [KANON]
10DPSK / 20DPSK / N50DPSK / N12TOK
Location In our facility [Temperature 23°C]
Date 2016/09/28

Diagram of test setup

Testing the torque limits of our ceramic bolts.

Twist with torque driver until they break.

Grip the ceramic bolt under the bolt head from 0mm to 5mm.


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Ceramic Factory (KDA Corporation) 4-13-6 Nakarokugo Ohta-ku TOKYO JAPAN
TEL +81-(0)3-3733-3851 FAX 3853 [MAP]