granite V block

Granite V blocks Details

Place of Origin: Shenzhen, China (Mainland)
Brand Name: Hua An Brand
Material: Natural Black Granite
Accuracy: Grade"00" "0","1"
Flatness test by: Electronic Level Meter
Test Standard: According to DIN/JIS/GB

Packaging & Delivery
Packed with Delicate Aluminum Case for small size; Wooden case form large size

Delivery time: from one week to one month

High Precision Granite Vee Block

Product Specialty:
Made of high quality Natural Black Granite
High precision and high stability.
No rust and anticorrosion.
Non magnetization.
Good abrasion resistance.

Physical Property of Natural 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 Absorptive:           ≤0.13%

Product Application:

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;

Important tool to verify the cylindrical products.