High Precision Black Granite Special Granite Structures Custom-Made

The granite machine part is according to cutomer's drawings to product. Has many programs tested. Our granite measuring devices and granite machine base for machine are made of high quality Jinan black granite. Dur to their high prrcision,long duration, good stability and corrosion resistance, they have been more and more used in product inspection of modern industry and such scisentific areas as mechanical aerospace and scientific researches.
Salient Features :
Made from close-grained Granite having uniform color and texture having hardness between 5.6 to 7 on Moh's scale, sound and free from flaws fissures and large inclusions of softer minerals.
Made generally as per GB117-2015. Also available on request conforming to DIN-876-1972, BS-817-1988, JIS -B-7513 and US Federal specification GGG-P-463-C.
metallic threaded inserts, metallic T-slots, Plates with two or four ledges also can be supplied against specific request at extra cost.
Rexine cover provided for top working surface with each Plate.
steel stand with leveling screws are available on request at extra cost.
Granite Lapping Plates square and rectangular available on request.
Also available in Grade 00 as per DIN 876.
Sizes offered from 200x300mm to 8000x2000mm
Other sizes are also offered on request.