Black Granite Gauge Cube Box Square 400 mm

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.

Square Block

Parameters

Proportion:2970-3070kg/m3

Compression strength:245-254kg/mm2

Flexible grinding capacity:1.27-1.47N/mm2

Coefficient of linear expansion:4.6×1-6℃

Water absorption 0.13%

Shore hardness HS: more than 70.

Precision has 000. 00, 0, 1 grade.

Usage: Inspecting the spare parts' parallelism & perpendicularity

Material: Granite

Origin: China