Granite v-block

The Jingda granite series instruments are made of high quality Jinan black granite stone.Due to the high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industry and scientific areas as mechianical space and scientific researches.

The precision of our products is in line with the standards of advanced countries.Grade "0",grade "00" and grade"000" are valid.We have standard size in stock.and for special size we can make according to your requirements.

V-block is mainly used in testing,line drawing and position setting of precision axles and the mounting in mechanical machining.