SK Flat Scotia，比例等于JIS 2级，未硬化，300mm 300mm的钢形广场 E-300

Length piece total length (mm): 300
Bottom length (mm): 200
Thickness (mm): 8
Scale angle (mm): ±0.05
Scale accuracy (mm): ±0.4
Pole length (mm): 300
Base length (mm): 200
Width (mm): 40
Thickness (mm): 8
Accuracy: ●Square angle (mm): ±0.045
Scale accuracy (mm): ±0.4
Shape: Flat type Nominal dimensions (mm): 300
Length piece total length (mm): 300
Bottom length (mm): 200
Thickness (mm): 8
Scale angle (mm): ±0.05
尺度准确性（mm）：±0.4

主体：机械结构的碳钢

660g

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