Gold Member Since 2015
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Qingdao Qianshao Precision Instrument Co., Ltd.

Square Ruler, Granite Square Ruler, Granite Ruler manufacturer / supplier in China, offering High Precision Granite Square Rulers, High Preciosn Electronic Level Meter with Bt, Precision Electronic Digital Level and so on.

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High Precision Granite Square Rulers

FOB Price: US $150-1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $150-1,000/ Piece
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Port: Qingdao, China
Production Capacity: 5000PCS/Year
Payment Terms: T/T

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Product Catalog
granite products
11 Products
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Basic Info
  • Model NO.: SF
  • Material: Granite
  • Range: 0~500mm
  • Precision: 0.001mm
  • Accuracy: A
  • Certification: JIS, DIN, GB, SGS, ISO
  • Brand Name: Qianshao
  • Precision Grade: 00
  • Transport Package: Wooden Case
  • Origin: Qingdao China
  • Type: Granite Square
  • Measurement Object: Squareness
  • Resolution: 0.001mm
  • Measure Method: Manual
  • Precision Measuring Device: Precision Measuring Device
  • Customized: Customized
  • Color: Black
  • Trademark: Qianshao
  • Specification: SGS
  • HS Code: 9031900090
Product Description
High Precision Granite Square Rulers
 
QIANSHAO is the leading manufacturer of Granite Surface Plates since 1979, providing various kinds of high accuracy and quality products.
 
Product Speciality:
 
1. Made of high quality Jinan Black Granite
2. High precision and high stability.
3. No rust and anticorrosion.
4. Non magnetization.
5. Good abrasion resistance.
 
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%
 
Product Application:
 
1. Mainly used as installation and inspection of machine tools, inspect vertical degree, parallelism and straightness of guideways and precision components in modern industry and scientific research institutes.
 
Specifications :
 
modelsquareness between adjacent measuring surfacesstraightness of measuring surfaceparallelism between opposite measuring surfacesoverall dimension
(mm)
weight/unit
(kg)
precision grade(µm)
000000000
SF200240.91.824200×200×354.4
SF2502.24.5122.24.5250×250×407.15
SF3152.65.21.12.32.65.2315×315×4512.2
SF400361.32.636400×400×4517.4
SF400A361.32.636400×200×407.6
SF5003.571.533.57500×500×6050.1
 
Note : We are able to manufacture according to customer's specifications.

High Precision Granite Square Rulers
High Precision Granite Square Rulers
 
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