SK银轨比例相同的厚度，有趣的步骤刻度50厘米500mm Carpenter的Square 50cm Kaidan SDD-50CKD

Corner: Same thickness
Nominal dimensions (cm): 50
Length (wife hand) x width x thickness (mm): 520 (260) x 15 x 1.3
Front scale (cm): Long, outer 50, inner 50 (external standard), wife hand, outer 25 (external standard)
Back scale (cm): Long, outer 50, inner 40 (external standard) + Hozo 10, wife hand, outer 25, inner 25 (external standard)
Length tolerance (mm): 500 ±0.2
Square angle (mm): 0.1 or less per 100 (size side)
Safety rope mounting hole: No
Length side (mm): 520
Short side (mm): 260
Width (mm): 15
Thickness (mm): 1.3
Length公差：500mm时±0.2mm
平方角：0.1mm或更少每100mm（尺寸侧）

身体：不锈钢

90G

-

-

-

-

• rohs2