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Precision Square
Precision Square With Base JIS 1st class. JIS 2nd class
Precision Square With Base JIS 1st class. JIS 2nd class
Squareness
JIS 1st-class Accuracy
●Precision square is used for squareness measurement accurately.
Item Code Pillar x Width x Thickness (mm) Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RDS1-50 50x14x2.2 41x14x9.5 ±0.013 0.07
RDS1-75 75x16x2.5 50x15x13 ±0.014 0.1
RDS1-100 100x20x2.5 70x18x15 ±0.015 0.18
RDS1-150 150x24x3 100x22x18 ±0.018 0.39
RDS1-200 200x29x4 130x26x22 ±0.02 0.76
RDS1-300 300x35x4 200x32x27 ±0.025 1.68
RDS1-500 500x46x5 300x45x35 ±0.035 4.6
RDS1-750 750x58x8 400x63x50 ±0.048 10
RDS1-1000 1000x65x10 550x80x65 ±0.06 27
JIS 2nd-class Accuracy
●Precision square is used for any assembly or setting.
Item Code Pillar x Width x Thickness (mm) Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RDS2-50 50x16x2 37x16x10 ±0.025 0.07
RDS2-75 75x16x2 50x16x10 ±0.027 0.1
RDS2-100 100x20x2.4 70x19x12 ±0.03 0.18
RDS2-150 150x24x3 100x22x18 ±0.035 0.39
RDS2-200 200x29x4 130x26x22 ±0.04 0.76
RDS2-300 300x35x4.5 200x32x27 ±0.05 1.68
RDS2-500 500x46x5 300x45x35 ±0.07 4.6
RDS2-750 750x58x8 400x63x50 ±0.095 10
RDS2-1000 1000x65x10 550x80x65 ±0.12 27
●At your request, right-convenience square, left-convenience square and the special made item can be manufactured.
Precision Flat Square JIS 1st class. JIS 2nd class
平Precision Flat Square JIS 1st class. JIS 2nd class
Squareness
JIS 1st-class Accuracy
●Precision square is used for squareness measurement accurately.
Item Code Pillar x Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RHS1-50 50x40x15x3 ±0.013 0.04
RHS1-75 75x50x18x3 ±0.014 0.05
RHS1-100 100x70x20x4 ±0.015 0.1
RHS1-150 150x100x25x5 ±0.018 0.24
RHS1-200 200x130x25x6 ±0.02 0.38
RHS1-300 300x200x30x6 ±0.025 0.7
RHS1-500 500x300x40x8 ±0.035 2
RHS1-750 750x400x50x10 ±0.048 4.5
RHS1-1000 1000x550x60x12 ±0.06 8.5
JIS 2nd-class Accuracy
●Precision square is used for any assembly or setting.
Item Code Pillar x Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RHS2-50 50x38x16x3 ±0.025 0.04
RHS2-75 75x50x18x3 ±0.027 0.05
RHS2-100 100x70x20x4 ±0.03 0.1
RHS2-150 150x100x25x5 ±0.035 0.24
RHS2-200 200x130x25x6 ±0.04 0.38
RHS2-300 300x200x30x6 ±0.05 0.7
RHS2-500 500x300x40x8 ±0.07 2
RHS2-750 750x400x50x10 ±0.095 4.5
RHS2-1000 1000x550x60x12 ±0.12 8.5
●At your request, the special made item can be manufactured.
I-Type Precision Square
I-Type Precision Square
●I-type precision square have the most highly accuracy.
Item Code Pillar x Bottom x Width x Thickness (mm) Squareness (mm) Straightness (mm) Net Weight (kg)
RIS-75 75x50x18x5 ±0.0028 ±0.0014 0.18
RIS-100 100x70x25x6 ±0.003 ±0.0015 0.2
RIS-150 150x100x30x8 ±0.0035 ±0.0017 0.4
RIS-200 200x130x35x10 ±0.004 ±0.002 0.8
RIS-300 300x200x40x15 ±0.005 ±0.0025 2
RIS-500 500x300x55x20 ±0.007 ±0.0035 5
Knife Edged Squares I-Type
Knife Edged Squares I-Type
●Its terminal surface is formed as a knife edge, but it has small curve.
Item Code Pillar x Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RKS-75 75x50x16x10 ±0.0028 0.15
RKS-100 100x70x20x12 ±0.003 0.36
RKS-150 150x100x24x14 ±0.0035 0.7
RKS-200 200x130x28x16 ±0.004 1
RKS-300 300x200x35x20 ±0.005 2.8
Flat Heavy Square
Flat Heavy Square
●Flat heavy square has thickness and it is possible to use with the state of standing.
Item Code Pillar x Bottom x Width x Thickness (mm) Squareness (mm) Net Weight (kg)
RAS-75 75x45x18x12 ±0.014 0.2
RAS-100 100x70x20x15 ±0.015 0.4
RAS-150 150x100x25x20 ±0.018 1
RAS-200 200x130x30x20 ±0.02 1.5
RAS-300 300x170x35x25 ±0.025 3.2
Precision Cylindrical Squares
Precision Cylindrical Squares
●Cylindrical square can be used as standard master gauge.
●At your request, special made item can be manufactured.
Item Code Height x Diameter (mm) Squareness (mm) Net Weight (kg)
RCS-100 100xø60 ±0.0025 3
RCS-150 150xø70 ±0.0028 3.5
RCS-200 200xø80 ±0.003 6
RCS-300 300xø100 ±0.0035 16
RCS-400 400xø120 ±0.004 21
RCS-500 500xø130 ±0.0045 27

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