granite parallels ruler 160x15x16mm
- Category: Other Measuring & Gauging Tools >>>
- Supplier: Cangzhou Willing International Trading Co. Ltd.
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Product Overview
Description
Product Description
Product details
| Color | Black |
| Material | Granite |
| Name | granite straight edge |
| Packing | Wooden Case |
| Delivery Time | Shipped in 7 days after payment |
| Product Keywords | calibration tools |
Pecification (mm) | Flatness of working surface¶llelism of opposite surface | Squareness between working surface | Tolerance of h.w.between a matched pair | |||
Precision grade (μm) | ||||||
00 | 0 | 00 | 0 | 00 | 0 | |
160×25×16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 |
250×40×25 | 2 | 4 | 30 | 60 | 2 | 4 |
400×63×40 | 4 | 8 | 40 | 80 | 4 | 8 |
630×100×63 | 6 | 12 | 50 | 100 | 6 | 12 |
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.
Physical Property of Jinan Black Granite:
Specific Gravity: 3.03 g/cm3
Shore Hardness: > 70Hs-80Hs
Tensile strength: 211Kg/cm2
Compressive Strength: 245-254Mpa
Linear Expansion Coefficient: 4.61´10--6/°C
Elastic Modulus: 30-50Gpa
Water Absorptivity: ≤0.13%
Inspection accuracy
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Company Information
Our company supply granite surface plate, granite measuring table, granite flatness plate, granite measuring tools,cast iron surface plate, cast iron t slot plate,aluminum magnesium alloy measuring tools, cast iron measuring tools and so on.
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