Material: Made of 40Cr steel, which is an alloy steel with good comprehensive mechanical properties and is currently one of the most widely used steels in the machinery manufacturing industry
Dimensions and Accuracy: The three sides are 1, 2 and 3 respectively, the tolerance of size is about 0.0001, the squareness is about 0.0002/1
Holes: This is a non-holes parallel block with all six faces machined by accuracy grinding techniques
Hardness: Product heat treatment and surface hardening to HRC57-62
Usage: Mainly used for installation, arrangement and inspection, suitable for machine tool processing, milling machine processing, etc
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