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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
  • All
  • 4 Day(s) or Less
  • 6 Day(s) or Less
  • 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
  • 18 Day(s) or Less
  • 20 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)

      Standard Steel Straight Edge Class A (Not Hardened)

        Mini Machinist Square, with Brass Table

          Flat Square Square Uniseiki

            Precision Cylindrical Square

              steelstraight edge (bevel type)

                A-shaped Square with Stand JIS Grade 2 (JIS B7526 Standard Product)

                  Blade-Shaped Straight Edge

                    Calibrated Flat Type Square

                    • On Sale Till 31/03/2025

                    Complete Square

                      TRUSCO NAKAYAMA, Machinist's Square With Base

                        Accurate Thick Square

                          Steel Straight Edge (Flat Type / Quenched Product)

                            One-Handed Scorer, Right Handed

                              Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                I-Beam Type Straight Edge (A Grade Hardening)

                                  Beveled Straight Edges (Grade A Hardened)

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

                                      Miter Rule

                                        Aluminum Sliding Bevel with Angle Scale and Brace

                                          Speed square flange

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

                                              I-beam Shaped Straight Edge

                                                Bevel-Shaped Straight Edge

                                                  Accurate Cylindrical Square

                                                    Flat Speed Square JIS Grade 1

                                                      RIKEN Beveled Straight Edge

                                                        Blade-shaped Straight Edge

                                                          Radius Scale

                                                            Straight Edge (Ibeam type/quenched product)

                                                              T-shaped square

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

                                                                  One-Handed Scorer, Left Handed

                                                                    Calibrated Square with Stand

                                                                      Angle Scribing Square

                                                                        Trapezoidal Stop Type Ruler

                                                                          Instant Stop-Type Ruler

                                                                            Free Gold without Scale

                                                                              Free Square without Scale

                                                                                Angled Ruler (with Stand)

                                                                                  Angled Ruler (Flat Type)

                                                                                    Flat Machinist's Square, TRUSCO NAKAYAMA

                                                                                      Full speed square

                                                                                        Free Square with Scale

                                                                                          Polycarbonate Locking Type Ruler

                                                                                          Brand

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          SHINWASOKUTEI

                                                                                          UNI SEIKI

                                                                                          UNI SEIKI

                                                                                          UNI SEIKI

                                                                                          OBISHI KEIKI SEISAKUSHO

                                                                                          OBISHI KEIKI SEISAKUSHO

                                                                                          NIIGATA SEIKI (SK)

                                                                                          SHINWASOKUTEI

                                                                                          TRUSCO NAKAYAMA

                                                                                          RIKEN KEISOKUKI

                                                                                          UNI SEIKI

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          SHINWASOKUTEI

                                                                                          SHINWASOKUTEI

                                                                                          UNI SEIKI

                                                                                          OBISHI KEIKI SEISAKUSHO

                                                                                          OBISHI KEIKI SEISAKUSHO

                                                                                          OBISHI KEIKI SEISAKUSHO

                                                                                          RIKEN KEISOKUKI

                                                                                          RIKEN KEISOKUKI

                                                                                          RIKEN KEISOKUKI

                                                                                          RIKEN KEISOKUKI

                                                                                          SHINWASOKUTEI

                                                                                          UNI SEIKI

                                                                                          ESCO

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          NIIGATA SEIKI (SK)

                                                                                          SHINWASOKUTEI

                                                                                          SHINWASOKUTEI

                                                                                          SHINWASOKUTEI

                                                                                          SHINWASOKUTEI

                                                                                          SHINWASOKUTEI

                                                                                          OHNISHI MFG

                                                                                          OHNISHI MFG

                                                                                          TRUSCO NAKAYAMA

                                                                                          TRUSCO NAKAYAMA

                                                                                          TRUSCO NAKAYAMA

                                                                                          TRUSCO NAKAYAMA

                                                                                          Product Series

                                                                                          Standard Steel Straight Edge Class A (Hardened)

                                                                                          Standard Steel Straight Edge Class A (Not Hardened)

                                                                                          Mini Machinist Square, with Brass Table

                                                                                          Flat Square Square Uniseiki

                                                                                          Precision Cylindrical Square

                                                                                          steelstraight edge (bevel type)

                                                                                          A-shaped Square with Stand JIS Grade 2 (JIS B7526 Standard Product)

                                                                                          Blade-Shaped Straight Edge

                                                                                          Calibrated Flat Type Square

                                                                                          Complete Square

                                                                                          TRUSCO NAKAYAMA, Machinist's Square With Base

                                                                                          Accurate Thick Square

                                                                                          Steel Straight Edge (Flat Type / Quenched Product)

                                                                                          One-Handed Scorer, Right Handed

                                                                                          Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                                                                          I-Beam Type Straight Edge (A Grade Hardening)

                                                                                          Beveled Straight Edges (Grade A Hardened)

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

                                                                                          Miter Rule

                                                                                          Aluminum Sliding Bevel with Angle Scale and Brace

                                                                                          Speed square flange

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

                                                                                          I-beam Shaped Straight Edge

                                                                                          Bevel-Shaped Straight Edge

                                                                                          Accurate Cylindrical Square

                                                                                          Flat Speed Square JIS Grade 1

                                                                                          RIKEN Beveled Straight Edge

                                                                                          Blade-shaped Straight Edge

                                                                                          Radius Scale

                                                                                          Straight Edge (Ibeam type/quenched product)

                                                                                          T-shaped square

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

                                                                                          One-Handed Scorer, Left Handed

                                                                                          Calibrated Square with Stand

                                                                                          Angle Scribing Square

                                                                                          Trapezoidal Stop Type Ruler

                                                                                          Instant Stop-Type Ruler

                                                                                          Free Gold without Scale

                                                                                          Free Square without Scale

                                                                                          Angled Ruler (with Stand)

                                                                                          Angled Ruler (Flat Type)

                                                                                          Flat Machinist's Square, TRUSCO NAKAYAMA

                                                                                          Full speed square

                                                                                          Free Square with Scale

                                                                                          Polycarbonate Locking Type Ruler

                                                                                          Days to Ship 31 Day(s) or more 26 Day(s) or more 8 Day(s) or more 8 Day(s) or more 7 Day(s) or more 8 Day(s) or more 8 Day(s) or more 4 Day(s) or more 11 Day(s) or more 8 Day(s) or more 8 Day(s) 18 Day(s) or more 8 Day(s) 11 Day(s) or more 58 Day(s) or more 36 Day(s) 41 Day(s) 58 Day(s) or more 8 Day(s) 8 Day(s) 8 Day(s) 4 Day(s) or more 7 Day(s) or more 21 Day(s) or more 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 36 Day(s) 11 Day(s) or more 11 Day(s) or more 8 Day(s) 8 Day(s) 8 Day(s) 8 Day(s) 8 Day(s) 7 Day(s) or more 8 Day(s) 9 Day(s) 4 Day(s) or more 4 Day(s) or more 8 Day(s)
                                                                                          Product TypeStraight edgeStraight edgeSquare With StandFlat set squareOtherStraight edgeSquare With StandStraight edgeSquare With StandSquare With StandSquare With StandFlat set squareStraight edgeSquare With StandSquare With StandStraight edgeStraight edgeSquare With StandSquare With StandFree Set SquareOtherFlat set squareStraight edgeStraight edgeOtherFlat set squareStraight edgeStraight edgeOtherStraight edgeOtherStraight edgeSquare With StandSquare With StandMiter RuleMiter RuleMiter RuleFree Set SquareFree Set SquareAngled RulerAngled RulerFlat set squareOtherFree Set SquareOther
                                                                                          Pole Length(mm)--45 ~ 9075 ~ 1000--75 ~ 300-400 ~ 1000161 ~ 177200 ~ 35075 ~ 300-75 ~ 20001500 ~ 2000--2000170--75 ~ 300--100 ~ 50050 ~ 1000------75 ~ 2000.400 ~ 1000172----100 ~ 300100 ~ 300100180173 ~ 240-
                                                                                          Accuracy(mm)---JIS grade 1 (grade 1 ± (10+L/20) µm hardness HS60° or more)-0.035 ~ 0.04--JIS Grade 2 equivalent products---0.0115 ~ 0.02JIS Grade 2 equivalent productsJIS B 7526--JIS B 7526----------±0.1 (R gauge) / ±0.05 (diameter gauge) / ±0.15 (ruler)0.005 ~ 0.032--JIS Grade 2 equivalent productsJIS Grade 2 equivalent products-----------
                                                                                          Angle(°)18018090---901809090-9018090901801809045/9020~120-90180180-90180180-180-180909045 ~ 45/9045/9045/90--45 ~ 12045 ~ 120-90-45/90
                                                                                          Base Length(mm)--35 ~ 5550 ~ 550--50 ~ 200-200 ~ 55094115 ~ 18045 ~ 170-50 ~ 800600 ~ 800--800163--50 ~ 200--ø60 ~ ø13040 ~ 550------50 ~ 800200 ~ 550115----73 ~ 30070 ~ 30070101153 ~ 210-
                                                                                          ScaleNANANANANANA--AvailableAvailableNA--NANANANANAAvailableAvailableNA-------Available--NANAAvailableAvailable / NAAvailableAvailableNANANANANAAvailableAvailableAvailable
                                                                                          Calibration Certificate---------------------------------------------

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