Measuring Granite Surface Block , Granite Flat Plate 400 × 400 × 70mm

Measuring Plates Made of Granite

Measuring plates /Surface plates made of natural granite and can be used for flatness measurement of workpieces. Granite surface plates can also be provided with T-slots, holes or threaded inserts to fix for example Tailstocks, Measuring stands with dial gauges or other measuring devices. The flatness of the surface plates according to DIN 876 and it is available in accuracies 000, 00, 0 and 1. Matching base frames with or without cabinet and accessories can be offered with

A granite surface plate is needed in your workshop to aid with sharpening tools when a flat reference point is required, it is also useful when marking out or checking the flatness of your tools or work. Because the plate is made of solid granite it will not rust or corrode and it is guarenteed not to warp or deform over time

Our granite surface plate refers to the advanced standards of the leading countries, and its flatness tolerance is in accordance with the JB/T 7975-1999 Surface Plate:

Grade 000 =1x(1+d/1000)/μm

Grade 00 =2x(1+d/1000)/μm

Grade 0 =4x(1+d/1000)/μm

Grade 1 =8x(1+d/1000)/μm

(d is the length of the diagonal)