Product Name: Granite Squareness High Precision Parallel Gauge Model NO.: 250*40*25MM Customized: Customized Certification: CE, ISO Precision Measuring Device: Precision Measuring Device Accuracy: A Measure Method: Manual Precision: 0.003mm Resolution: 3um Range: 0?300mm Measurement Object: Straightness Material: Granite Type: Parallel Gauge Trademark: forward Transport Package: Wooden Box Specification: 250*40*25 Origin: Hebei HS Code: 6802211000 Product Description Granite squareness high precision parallel gaugeSalient 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.Physical Property of Jinan Black Granite:Specific Gravity: 3.03 g/cm3Shore Hardness: > 70Hs-80HsTensile strength: 211Kg/cm2Compressive Strength: 245-254MpaLinear Expansion Coefficient: 4.61´10--6/°CElastic Modulus: 30-50GpaWater Absorptivity: ≤0.13%Application:For inspection the coaxality cylindricity symmetry and shifting of revolution parts.Main Features1) the granite surface plate hasGood wear resistance, strong and durable, long service life2)No deformation, high hardness, no magnetization3)Stable under heavy load and normal temperature4)The surface is smooth and easy to clean and maintain.5)Be hit by external force, won't appear easily NickGranite parallel gaugesometimesis substitutefor the iron block and granite block which is with the same height.Material: graniteSpecification: 160x25x16-630x100x63mm or customizeHardness of the working surface: HS70Surface treatment: ground finishPrecision grade: 00-0Packaging:plywoodboxSpecification(mm)Planeness, parallel of working surfaceVerticality between working surfacesVerticality between side and working surfacePrecision grade (um)000000000160×25×161.5320401.53250×40×2524306024400×63×4048408048630×100×6361250100612Our advantageWe are themanufacturer. We can supply all kinds of Granitesurface plate;Granite T-slot plate. We have special engineers and technicians who have20 years experience.In our factory, all the products can be costomized, we alsocan prodece the special sizedproduct according to customer's drawings or discussion by both parties. We can produce the whole machine tools assembly.Our products are widely exported to the Germany, England, Italy, Australia, Saudi Arabia, South Korea and thailand, etc.PS: We alsooffer custom-made surface plates according to the load-bearing and usage required by the clients. Special specifications (500mm×500mm ~ 4000mm×8000mm) are acceptable as per customers' drawings.
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