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Squares

Machinist's squares are tools used for measuring angles and scribing. They are normally available in an L shape consisting of a long blade and a short blade, and the long blade has scales carved on both sides. A type with a thicker short blade is called a square with a base, and it enables scribing work with more stability by being hooked onto the material. In addition, there is an I-shaped straight edge that can inspect flatness, parallelism and straightness, and an angle scribing square that can measure 45 and 135 degrees and be used for scribing. Adjustable squares can have the angle changed freely by adjusting a locking screw, so they are useful for scribing repeatedly with the same angle. As for materials, stainless steel is used for the long blade to ensure the accuracy of the scales, and aluminum, brass and other rust-resistant materials are used for the short blade. Machinist's squares are available in a wide range of materials and configurations, so choose a product that suits the application.
Days to Ship
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  • Same day
  • 4 Day(s) or Less
  • 5 Day(s) or Less
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  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
  • 14 Day(s) or Less
Brand
Product Series
Days to Ship
Product Type
Pole Length(mm)
Accuracy(mm)
Angle(°)
Base Length(mm)
Scale
Calibration Certificate

    Standard Steel Straight Edge Class A (Hardened)

      I-Beam Type Straight Edge (A Grade Hardening)

      • On Sale Till 31/03/2025

      Complete Square

        Flat Square Square Uniseiki

          Flat Square D-shaped Flat Square JIS Grade 2 (JIS B7526 Standard Product)

            I-shaped Straight Edge Grade A

              Straight Edge (Ibeam type/quenched product)

                I-beam Shaped Straight Edge

                  Flat Machinist's Square, TRUSCO NAKAYAMA

                    Steel Straight Edge (Flat Type)

                      Straight Edge (eye beam type)

                        Angled Ruler (with Stand)

                          Precision Cylindrical Square

                            Steel Straight Edge (Flat Type / Quenched Product)

                              Free Gold without Scale

                                Square with Stand, Non-Quenched

                                  Accurate Thick Square

                                    Radius Scale

                                      I-Beam Type Straight Edge A Grade (Not Hardened)

                                        One-Handed Scorer, Right Handed

                                          Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                            Beveled Straight Edges (Grade A Hardened)

                                              Right Angle Ruler JIS Class 2 Equivalent (Non-Hardened)

                                                Miter Rule

                                                  Instant Stop-Type Ruler

                                                    Angled Ruler (Flat Type)

                                                      TRUSCO NAKAYAMA, Machinist's Square With Base

                                                        steelstraight edge (bevel type)

                                                          Flat Square JIS Grade 1 Quenched (JIS B7526 Standard Product)

                                                            Accurate Cylindrical Square

                                                              RIKEN Normal Shape Straight Edge

                                                                ibeam straight edge

                                                                  I-beam straight edge RIBM series

                                                                    Blade-shaped Straight Edge

                                                                      Set Square with Aluminum Stand, without Scale

                                                                        Combination Square EA719AG-2

                                                                          [Stainless Steel] Stop-Type Square EA719JA-2

                                                                            With square aluminum stand

                                                                              Standard Steel Straight Edge Class A (Not Hardened)

                                                                                One-Handed Scorer, Left Handed

                                                                                  Calibrated Square with Stand

                                                                                    Calibrated Flat Type Square

                                                                                    • On Sale Till 31/03/2025

                                                                                    Mini Machinist Square, with Brass Table

                                                                                      Angle Scribing Square

                                                                                        Trapezoidal Stop Type Ruler

                                                                                        Brand

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        SHINWASOKUTEI

                                                                                        UNI SEIKI

                                                                                        OBISHI KEIKI SEISAKUSHO

                                                                                        RIKEN KEISOKUKI

                                                                                        UNI SEIKI

                                                                                        OBISHI KEIKI SEISAKUSHO

                                                                                        TRUSCO NAKAYAMA

                                                                                        UNI SEIKI

                                                                                        UNI SEIKI

                                                                                        OHNISHI MFG

                                                                                        UNI SEIKI

                                                                                        UNI SEIKI

                                                                                        SHINWASOKUTEI

                                                                                        RIKEN KEISOKUKI

                                                                                        RIKEN KEISOKUKI

                                                                                        SHINWASOKUTEI

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        SHINWASOKUTEI

                                                                                        SHINWASOKUTEI

                                                                                        OHNISHI MFG

                                                                                        TRUSCO NAKAYAMA

                                                                                        UNI SEIKI

                                                                                        OBISHI KEIKI SEISAKUSHO

                                                                                        RIKEN KEISOKUKI

                                                                                        RIKEN KEISOKUKI

                                                                                        RIKEN KEISOKUKI

                                                                                        RIKEN KEISOKUKI

                                                                                        RIKEN KEISOKUKI

                                                                                        SHINWASOKUTEI

                                                                                        ESCO

                                                                                        ESCO

                                                                                        ESCO

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        NIIGATA SEIKI (SK)

                                                                                        SHINWASOKUTEI

                                                                                        SHINWASOKUTEI

                                                                                        SHINWASOKUTEI

                                                                                        Product Series

                                                                                        Standard Steel Straight Edge Class A (Hardened)

                                                                                        I-Beam Type Straight Edge (A Grade Hardening)

                                                                                        Complete Square

                                                                                        Flat Square Square Uniseiki

                                                                                        Flat Square D-shaped Flat Square JIS Grade 2 (JIS B7526 Standard Product)

                                                                                        I-shaped Straight Edge Grade A

                                                                                        Straight Edge (Ibeam type/quenched product)

                                                                                        I-beam Shaped Straight Edge

                                                                                        Flat Machinist's Square, TRUSCO NAKAYAMA

                                                                                        Steel Straight Edge (Flat Type)

                                                                                        Straight Edge (eye beam type)

                                                                                        Angled Ruler (with Stand)

                                                                                        Precision Cylindrical Square

                                                                                        Steel Straight Edge (Flat Type / Quenched Product)

                                                                                        Free Gold without Scale

                                                                                        Square with Stand, Non-Quenched

                                                                                        Accurate Thick Square

                                                                                        Radius Scale

                                                                                        I-Beam Type Straight Edge A Grade (Not Hardened)

                                                                                        One-Handed Scorer, Right Handed

                                                                                        Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                                                                        Beveled Straight Edges (Grade A Hardened)

                                                                                        Right Angle Ruler JIS Class 2 Equivalent (Non-Hardened)

                                                                                        Miter Rule

                                                                                        Instant Stop-Type Ruler

                                                                                        Angled Ruler (Flat Type)

                                                                                        TRUSCO NAKAYAMA, Machinist's Square With Base

                                                                                        steelstraight edge (bevel type)

                                                                                        Flat Square JIS Grade 1 Quenched (JIS B7526 Standard Product)

                                                                                        Accurate Cylindrical Square

                                                                                        RIKEN Normal Shape Straight Edge

                                                                                        ibeam straight edge

                                                                                        I-beam straight edge RIBM series

                                                                                        Blade-shaped Straight Edge

                                                                                        Set Square with Aluminum Stand, without Scale

                                                                                        Combination Square EA719AG-2

                                                                                        [Stainless Steel] Stop-Type Square EA719JA-2

                                                                                        With square aluminum stand

                                                                                        Standard Steel Straight Edge Class A (Not Hardened)

                                                                                        One-Handed Scorer, Left Handed

                                                                                        Calibrated Square with Stand

                                                                                        Calibrated Flat Type Square

                                                                                        Mini Machinist Square, with Brass Table

                                                                                        Angle Scribing Square

                                                                                        Trapezoidal Stop Type Ruler

                                                                                        Days to Ship 31 Day(s) or more 36 Day(s) Same day or more 8 Day(s) or more 4 Day(s) or more 10 Day(s) or more 8 Day(s) or more 7 Day(s) or more 4 Day(s) or more 8 Day(s) or more 8 Day(s) or more 7 Day(s) or more 7 Day(s) or more 8 Day(s) 8 Day(s) 10 Day(s) or more 18 Day(s) or more 8 Day(s) 36 Day(s) 11 Day(s) or more 58 Day(s) or more 41 Day(s) 58 Day(s) or more 8 Day(s) 8 Day(s) 8 Day(s) 4 Day(s) or more 8 Day(s) or more 8 Day(s) or more 18 Day(s) 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more 8 Day(s) 8 Day(s) or more 7 Day(s) or more 7 Day(s) or more 26 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more Same day or more 8 Day(s) 8 Day(s)
                                                                                        Product TypeStraight edgeStraight edgeSquare With StandFlat set squareFlat set squareStraight edgeStraight edgeStraight edgeFlat set squareStraight edgeStraight edgeAngled RulerOtherStraight edgeFree Set SquareSquare With StandFlat set squareOtherStraight edgeSquare With StandSquare With StandStraight edgeSquare With StandSquare With StandMiter RuleAngled RulerSquare With StandStraight edgeFlat set squareOtherStraight edgeStraight edgeStraight edgeStraight edgeSquare With Stand--Square With StandStraight edgeSquare With StandSquare With StandSquare With StandSquare With StandMiter RuleMiter Rule
                                                                                        Pole Length(mm)--161 ~ 17775 ~ 100075 ~ 300---75 ~ 1000--100 ~ 300---50 ~ 100075 ~ 300--75 ~ 20001500 ~ 2000-2000170-100 ~ 300100 ~ 1000-75 ~ 300100 ~ 300---------75 ~ 2000.400 ~ 1000400 ~ 100045 ~ 90172-
                                                                                        Accuracy(mm)---JIS grade 1 (grade 1 ± (10+L/20) µm hardness HS60° or more)--0.005 ~ 0.032---0.032--0.0115 ~ 0.02---±0.1 (R gauge) / ±0.05 (diameter gauge) / ±0.15 (ruler)-JIS Grade 2 equivalent productsJIS B 7526-JIS B 7526----0.035 ~ 0.04------0.1 mm or less per 100 mm----JIS Grade 2 equivalent productsJIS Grade 2 equivalent productsJIS Grade 2 equivalent products---
                                                                                        Angle(°)18018090-90180180180---45 ~ 120-180-9090-18090901809045/9045/9045 ~ 120--90-18018018018090---1809090909045 ~ 45/9045/90
                                                                                        Base Length(mm)--9450 ~ 55050 ~ 200---50 ~ 500--73 ~ 300---37 ~ 55045 ~ 170--50 ~ 800600 ~ 800-800163-70 ~ 30070 ~ 415-50 ~ 200ø60 ~ ø100---------50 ~ 800200 ~ 550200 ~ 55035 ~ 55115-
                                                                                        ScaleNANAAvailableNA----NANANANANA-NA--AvailableNANANANANAAvailableAvailableNANANANA-----NA---NANAAvailableAvailableNAAvailable / NAAvailable
                                                                                        Calibration Certificate---------------------------------------------

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