Flatness Black Granite Surface Plates for Inspection

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.

Our granite surface plate refers to the advanced standards of the leading countries, and its flatness tolerance is in accordance with the JB/T 7975-1999 Surface Plate:

Grade 000 =1x(1+d/1000)/μm

Grade 00 =2x(1+d/1000)/μm

Grade 0 =4x(1+d/1000)/μm

Grade 1 =8x(1+d/1000)/μm

(d is the length of the diagonal)

Willing Measuring Tools Co. Ltd was established in 2000, which is one of the earliest factories specializing in making all kinds of precise measuring tools. After more than 10 years of continuous innovation and development, the factory has formed an entity system with a certain scale of productivity. We are at the domestic advanced level, especially in terms of innovation ability, technical strength and production experience, etc.

The company mainly produces all kinds of measuring tools, each product produced by our company is in line with the requirements of the relevant industries in the country. Our company also has independent laboratories, and has imported a large number of advanced production equipments. With good management model and a advanced production system, the quality of the machines and the delivery time has been well guaranteed. Because of this, the company's brand is increasingly accepted by customers at home and abroad. We also make OEM production for many domestic and foreign brands.

The company has always implemented: "the same quality, lower prices; the same price, higher-quality" business philosophy, and always take the principle of "integrity, struggle, hard work" as a development objective and "customer satisfaction " as our final goal. We are willing to go forward with all the friends hand in hand. Warmly welcome domestic and foreign customers to visit our company for guidance. All employees of Willing Measuring Tools Co., Ltd. are looking forward to cooperate with you sincerely.