SK平坦的直角标尺平坦SCOYA等于JIS 1级，硬化150mm 钢形DD类型（硬化）150mm DD-F150

Length piece length (mm): 150
Total bottom length (mm): 100
Thickness (mm): 5
Set angle (mm): ±0.018
Hardening hardness (HV): 450 or more
Pole length (mm): 150
Base length (mm): 100
Width (mm): 25
Thickness (mm): 5
Accuracy: Squareness (mm): ±0.018
Shape: Flat type
Nominal dimensions (mm): 150
Total bottom length (mm): 100
Thickness (mm): 5
Set angle (mm): ±0.018
Hardening hardness (HV): 450 or more

主体：机械结构的碳钢

220g

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