hardness

The HRMS 45 model is manufactured by United Test and is a digital superficial rockwell hardness tester that is attached with a large dis...

Class 8.8 bolts are one of the most common structure of hex bolts in the market. they provide acceptable rate of strength and hardness si...

Mica sheet can be composed of muscovite or phlogopite type. These are two types of mica that can be used in the field of industry. Musco...

NSK thrust roller bearing رولبرینگ کف گرد that is produced following Japanese industrial standard is a very strong type of roller bearing...

SKF roller bearings are produced in different shapes of rollers. they bear 60 Rockwell hardness and are suitable for high rotational spee...