Qingdao Qianshao Precision Instrument Co., Ltd.  

Product Name: High Precision Granite Vee Blocks Model NO.: SW Customized: Customized Certification: JIS, DIN, GB, SGS, ISO Precision Measuring Device: Precision Measuring Device Accuracy: A Measure Method: Manual Precision: 0.001mm Resolution: 0.001mm Range: 0?500mm Measurement Object: Outside Diameter Material: Granite Type: V Block Brand Name: Qianshao Color: Black Precision Grade: 00 Trademark: Qianshao Transport Package: Wooden Case Specification: SGS Origin: Qingdao China HS Code: 9031900090 Product Description High Precision Granite Vee BlockQIANSHAO is the leading manufacturer of Granite Surface Plates since 1979, providing high accuracy and quality products as below :Product Speciality:1. Made of high qualityNatural Black Granite2. High precision and high stability.3. No rust and anticorrosion.4. Non magnetization.5. Good abrasion resistance.Physical Property ofNatural 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%Product Application:1. Mainly used as detection position of precision axle parts , processing and testing of cylindrical products, calibrating the vertical and concentricity of products, is an important auxiliary tool in the measurement of the platform.Specifications:specificationmodelflatness of working surfaceparallelism between V slot and bottom surfaceparallelism between V slot and side surfacesymmetry between V slot & side surfacesquareness between V slot & end surfacessqureness between side surface & bottom surfaceheight difference of the V slot versus bottom surface with the pair of Vee blockoverall dimension(mm)weight/pair(kg)precision grade(µm)01010101010101SW 40*90°12363651055364663×63×401.45SW 63*90°1.5348488168848510100×100×503.7SW 100*90°2448488168848510160×160×8013SW 160*90°2.5551051010201010510612250×250×12053