SK，具有基部的直角标尺，带有基部的苏格兰人，相当于JIS 1级，硬化，100mm 钢正方AA类型（硬化）100mm AA-F100

Long piece total length (mm): 100
Long piece width (mm): 20
Long piece thickness (mm): 2.5
Bottom length (mm): 70
Short piece width (mm): 18
Short piece thickness (mm): 12
Short piece thickness (mm): ±0.015
Hardening hardness (HV): 450 or more
Pole length (mm): 100
Base length (mm): 70
Width (mm): 20
Base width (mm): 18
Thickness (mm): 2.5
Base thickness (mm): 12
Accuracy: Squareness (mm): ±0.015
Shape: With base Nominal dimensions (mm): 100

主体：机械结构的碳钢

230g

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