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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.
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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)

      steelstraight edge (bevel type)

        Straight Edge (Ibeam type/quenched product)

          I-beam Shaped Straight Edge

            Accurate Thick Square

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

                [Stainless Steel] Stop-Type Square EA719JA-2

                  Flat Speed Square JIS Grade 1

                    Standard Steel Straight Edge Class A (Not Hardened)

                      Steel Straight Edge (Flat Type)

                        Straight Edge (eye beam type)

                          Blade-Shaped Straight Edge

                            Blade-Type Square I-Shaped

                              RIKEN Normal Shape Straight Edge

                                Blade-shaped Straight Edge

                                  Cylindrical Square

                                    Trapezoidal Stop Type Ruler

                                      Flat Square Square Uniseiki

                                        Flat Square Non-quenched

                                          Accurate Cylindrical Square

                                            Stand with Speed Square JIS Grade 1

                                              RIKEN Beveled Straight Edge

                                                Steel Straight Edge (Flat Type / Quenched Product)

                                                  One-Handed Scorer, Right Handed

                                                    I-Beam Type Straight Edge (A Grade Hardening)

                                                      One-Handed Scorer, Left Handed

                                                        Complete Square

                                                          Miter Rule

                                                            Aluminum Sliding Bevel with Angle Scale and Brace

                                                              Full speed square

                                                                Locking type speed square

                                                                  Scoya with a base Uniseiki

                                                                    Precision Cylindrical Square

                                                                      Speed square flange

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

                                                                          ibeam straight edge

                                                                            Set Square with Aluminum Stand, without Scale

                                                                              Radius Scale

                                                                                steelstraight edge (Bevel type/quenched product)

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

                                                                                    Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                                                                      Beveled Straight Edges (Grade A Hardened)

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

                                                                                          Calibrated Square with Stand

                                                                                            Calibrated Flat Type Square

                                                                                            Brand

                                                                                            NIIGATA SEIKI (SK)

                                                                                            UNI SEIKI

                                                                                            UNI SEIKI

                                                                                            OBISHI KEIKI SEISAKUSHO

                                                                                            RIKEN KEISOKUKI

                                                                                            OBISHI KEIKI SEISAKUSHO

                                                                                            ESCO

                                                                                            RIKEN KEISOKUKI

                                                                                            NIIGATA SEIKI (SK)

                                                                                            UNI SEIKI

                                                                                            UNI SEIKI

                                                                                            OBISHI KEIKI SEISAKUSHO

                                                                                            RIKEN KEISOKUKI

                                                                                            RIKEN KEISOKUKI

                                                                                            RIKEN KEISOKUKI

                                                                                            NIIGATA SEIKI (SK)

                                                                                            SHINWASOKUTEI

                                                                                            UNI SEIKI

                                                                                            RIKEN KEISOKUKI

                                                                                            RIKEN KEISOKUKI

                                                                                            RIKEN KEISOKUKI

                                                                                            RIKEN KEISOKUKI

                                                                                            UNI SEIKI

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            SHINWASOKUTEI

                                                                                            SHINWASOKUTEI

                                                                                            SHINWASOKUTEI

                                                                                            TRUSCO NAKAYAMA

                                                                                            TRUSCO NAKAYAMA

                                                                                            UNI SEIKI

                                                                                            UNI SEIKI

                                                                                            UNI SEIKI

                                                                                            OBISHI KEIKI SEISAKUSHO

                                                                                            RIKEN KEISOKUKI

                                                                                            SHINWASOKUTEI

                                                                                            SHINWASOKUTEI

                                                                                            UNI SEIKI

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            NIIGATA SEIKI (SK)

                                                                                            Product Series

                                                                                            Standard Steel Straight Edge Class A (Hardened)

                                                                                            steelstraight edge (bevel type)

                                                                                            Straight Edge (Ibeam type/quenched product)

                                                                                            I-beam Shaped Straight Edge

                                                                                            Accurate Thick Square

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

                                                                                            [Stainless Steel] Stop-Type Square EA719JA-2

                                                                                            Flat Speed Square JIS Grade 1

                                                                                            Standard Steel Straight Edge Class A (Not Hardened)

                                                                                            Steel Straight Edge (Flat Type)

                                                                                            Straight Edge (eye beam type)

                                                                                            Blade-Shaped Straight Edge

                                                                                            Blade-Type Square I-Shaped

                                                                                            RIKEN Normal Shape Straight Edge

                                                                                            Blade-shaped Straight Edge

                                                                                            Cylindrical Square

                                                                                            Trapezoidal Stop Type Ruler

                                                                                            Flat Square Square Uniseiki

                                                                                            Flat Square Non-quenched

                                                                                            Accurate Cylindrical Square

                                                                                            Stand with Speed Square JIS Grade 1

                                                                                            RIKEN Beveled Straight Edge

                                                                                            Steel Straight Edge (Flat Type / Quenched Product)

                                                                                            One-Handed Scorer, Right Handed

                                                                                            I-Beam Type Straight Edge (A Grade Hardening)

                                                                                            One-Handed Scorer, Left Handed

                                                                                            Complete Square

                                                                                            Miter Rule

                                                                                            Aluminum Sliding Bevel with Angle Scale and Brace

                                                                                            Full speed square

                                                                                            Locking type speed square

                                                                                            Scoya with a base Uniseiki

                                                                                            Precision Cylindrical Square

                                                                                            Speed square flange

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

                                                                                            ibeam straight edge

                                                                                            Set Square with Aluminum Stand, without Scale

                                                                                            Radius Scale

                                                                                            steelstraight edge (Bevel type/quenched product)

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

                                                                                            Right Angle Ruler JIS Class 1 Equivalent (Hardened)

                                                                                            Beveled Straight Edges (Grade A Hardened)

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

                                                                                            Calibrated Square with Stand

                                                                                            Calibrated Flat Type Square

                                                                                            Days to Ship 31 Day(s) or more 8 Day(s) or more 8 Day(s) or more 7 Day(s) or more 18 Day(s) or more 8 Day(s) or more 7 Day(s) or more 10 Day(s) or more 26 Day(s) or more 8 Day(s) or more 8 Day(s) or more 4 Day(s) or more 10 Day(s) or more 10 Day(s) or more 10 Day(s) or more 11 Day(s) 8 Day(s) 8 Day(s) or more 10 Day(s) or more 18 Day(s) 10 Day(s) or more 10 Day(s) or more 8 Day(s) 11 Day(s) or more 36 Day(s) 11 Day(s) or more Same day or more 8 Day(s) 8 Day(s) 4 Day(s) or more 7 Day(s) 8 Day(s) or more 7 Day(s) or more 8 Day(s) 8 Day(s) or more 10 Day(s) or more 8 Day(s) 8 Day(s) 8 Day(s) or more 36 Day(s) 58 Day(s) or more 41 Day(s) 58 Day(s) or more 11 Day(s) or more 11 Day(s) or more
                                                                                            Product TypeStraight edgeStraight edgeStraight edgeStraight edgeFlat set squareFlat set square-Flat set squareStraight edgeStraight edgeStraight edgeStraight edgeBlade type set squareStraight edgeStraight edgeOtherMiter RuleFlat set squareFlat set squareOtherSquare With StandStraight edgeStraight edgeSquare With StandStraight edgeSquare With StandSquare With StandSquare With StandFree Set SquareOtherMiter RuleSquare With StandOtherOtherSquare With StandStraight edgeSquare With StandOtherStraight edgeStraight edgeSquare With StandStraight edgeSquare With StandSquare With StandSquare With Stand
                                                                                            Pole Length(mm)----75 ~ 30075 ~ 300-50 ~ 1000----75 ~ 300----75 ~ 100050 ~ 1000100 ~ 30050 ~ 1000--75 ~ 2000-75 ~ 2000.161 ~ 177170-180-75 ~ 1000--75 ~ 300-----1500 ~ 2000-2000400 ~ 1000400 ~ 1000
                                                                                            Accuracy(mm)-0.035 ~ 0.040.005 ~ 0.032-------0.032----JIS B 7539 equivalent-JIS grade 1 (grade 1 ± (10+L/20) µm hardness HS60° or more)----0.0115 ~ 0.02JIS Grade 2 equivalent products-JIS Grade 2 equivalent products-----JIS grade 1 (grade 1 ± (10+L/20) µm hardness HS60° or more)----0.1 mm or less per 100 mm±0.1 (R gauge) / ±0.05 (diameter gauge) / ±0.15 (ruler)0.0115 ~ 0.04-JIS B 7526-JIS B 7526JIS Grade 2 equivalent productsJIS Grade 2 equivalent products
                                                                                            Angle(°)180-1801809090-90180--18090180180-45/90-90-9018018090180909045/9020~1209045/90---9018090-18018090180909090
                                                                                            Base Length(mm)----45 ~ 17050 ~ 200-40 ~ 550----50 ~ 200----50 ~ 55038 ~ 550ø60 ~ ø10041 ~ 550--50 ~ 800-50 ~ 80094163-101-50 ~ 620--50 ~ 200-----600 ~ 800-800200 ~ 550200 ~ 550
                                                                                            ScaleNANA---NA--NANANA----NAAvailableNA-----NANANAAvailableAvailableAvailableAvailableAvailableNANANA--NAAvailable-NANANANAAvailableAvailable
                                                                                            Calibration Certificate---------------No-----------------------------

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