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Squares（Scale：NA）

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.

29 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 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

Standard Steel Straight Edge Class A (Hardened)

NIIGATA SEIKI (SK)

Set square useful for flatness, parallelism, and straightness measurement and inspection.
[Features]
· Measurement surface has a polished finish.
· Includes an inspection results chart.
· Quenched product: Hardness HV 490-620.
[Applications]
· For flatness, parallelism, and straightness inspection measurement.

Days to Ship: 31 Day(s) or more

Days to Ship:	31 Day(s) or more

steelstraight edge (bevel type)

UNI SEIKI

[Features]
·Standard products are made of steel and have a polished finish.
·For inspection and measurement of flatness, straightness and parallelism.

Standard Price:	SGD 58.44-
Days to Ship:	8 Day(s) or more

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

OBISHI KEIKI SEISAKUSHO

This is a quenched product with an accuracy of JIS standard Grade 1. To be used for right angle measuring. Used for measuring right angles of jig tools, right angles by mounting jig tools, or right angles of products.

Standard Price:	SGD 142.68-
Days to Ship:	8 Day(s) or more

Standard Steel Straight Edge Class A (Not Hardened)

NIIGATA SEIKI (SK)

Set square useful for flatness, parallelism, and straightness measurement and inspection.
[Features]
· Measurement surface has a polished finish.
· Includes an inspection results chart.
[Applications]
· For flatness, parallelism, and straightness inspection measurement.

Days to Ship: 26 Day(s) or more

Days to Ship:	26 Day(s) or more

Steel Straight Edge (Flat Type)

UNI SEIKI

[Features]
· Steel construction and a polished finish has increased the quality of the ordinary product.
· For flatness, straightness, and parallelism inspection measurement.

Standard Price:	SGD 56.40-
Days to Ship:	8 Day(s) or more

Straight Edge (eye beam type)

UNI SEIKI

[Features]
·It is used for measuring flatness, straightness, and strain checking.
·It has a polished finish.
·For inspection and measurement of flatness, straightness and parallelism.

Standard Price:	SGD 247.99
Days to Ship:	8 Day(s)

Cylindrical Square

NIIGATA SEIKI (SK)

Delivers the most accurate squareness of all the manufacturer's squares.
[Features]
· Includes a non-heat conducting handle to eliminate the effects of body heat during use.
· JIS B 7539-equivalent accuracy standards.
[Applications]
· For accurate measurement of right angles.

Standard Price:	SGD 739.62-
Days to Ship:	11 Day(s)

Precision Cylindrical Square

UNI SEIKI

[Features]
·Used in combination with a surface plate for precision inspection, it is used as a model for squareness comparison measurement using the optical gap method, gauge block method, dial gauge method, etc.

Days to Ship: 7 Day(s) or more

Days to Ship:	7 Day(s) or more

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

NIIGATA SEIKI (SK)

Set square essential for flatness, parallelism, and straightness inspection.
[Features]
· Measures flatness, parallelism, and straightness, convenient for use as a level instrument.
· An essential item when installing machines and surface plates.
· Measurement surface has a polished finish.
· With electronic level inspection table.
[Applications]
· High-precision ruler which is an essential item in machinery installation/surface installation indispensable for inspection and measurement of flatness, parallelism, straightness, etc.

Standard Price:	SGD 6,366.97
Days to Ship:	36 Day(s)

One-Handed Scorer, Right Handed

NIIGATA SEIKI (SK)

Set square for right angle measurement and scribing work in various machining applications.
[Features]
· Mounts to the long right side when looking at the base.
· Equivalent to JIS Class 2 accuracy.
· Perpendicularity: ±(20 + L/10) µm. (L indicates the nominal dimension)
[Applications]
· Used for right angle measurement of products, parts, etc.

Days to Ship: 11 Day(s) or more

Days to Ship:	11 Day(s) or more

I-Beam Type Straight Edge (A Grade Hardening)

NIIGATA SEIKI (SK)

Set square essential for flatness, parallelism, and straightness inspection.
[Features]
· Measures flatness, parallelism, and straightness, convenient for use as a level instrument.
· An essential item when installing machines and surface plates.
· Measurement surface has a polished finish.
· With electronic level inspection table.
· Straightness: (2 + L/100) μm. (L indicates the nominal dimension)
[Applications]
· Used for flatness, parallelism, and straightness inspection measurement.

Standard Price:	SGD 8,543.70
Days to Ship:	36 Day(s)

One-Handed Scorer, Left Handed

NIIGATA SEIKI (SK)

Set square for right angle measurement and scribing work in various machining applications.
[Features]
· Essential for canners.
· Mounts to the long left side when looking at the base.
· JIS Class 2 equivalent product.
· Perpendicularity is ±(20 + L/10) µm. (L indicates the nominal dimension)
[Applications]
· Can be used for right angle measurement of products, parts, etc.

Days to Ship: 11 Day(s) or more

Days to Ship:	11 Day(s) or more

Flat Square Square Uniseiki

UNI SEIKI

[Features]
·Carefully selected carbon tool steel is used.
·The surface to be used has a precision-polished finish.
·Quenched product (HS60° or higher).
[Applications]
·1st grade: Inspection measurement, accuracy check of mold products.

Standard Price:	SGD 154.30-
Days to Ship:	8 Day(s) or more

Scoya with a base Uniseiki

UNI SEIKI

[Features]
·The surface to be used has a precision-polished finish.
·The rod and base are securely attached using a special adhesive method.
·A certain amount of space is left between the parts so that they do not interfere with each other when they are put together.
·Quenched product (HS60° or higher).
[Applications]
·1st grade: Inspection measurement, accuracy check of mold products.

Standard Price:	SGD 169.20-
Days to Ship:	8 Day(s) or more

Speed square flange

UNI SEIKI

[Features]
·This is the perpendicular measurement square of the flange pipe weld.
·It is essential for accuracy confirmation after flange welding.
[Applications]
·For checking accuracy after flange welding.

Standard Price:	SGD 378.40-
Days to Ship:	8 Day(s)

Set Square with Aluminum Stand, without Scale

SHINWASOKUTEI

[Features]
· Set square suitable for woodwork.
· Various sizes between 20 cm and 1 m are available.
· Also useful when assembling a wooden model from the surface plate or measuring right angles.
· Long rod length is convenient for scribing many pieces of material at once.
· For inspection and scribing at right angles

Standard Price:	SGD 22.60-
Days to Ship:	8 Day(s)

Right Angle Ruler JIS Class 1 Equivalent (Hardened)

NIIGATA SEIKI (SK)

Set square with base and quenched measurement surface that provides excellent abrasion resistance, convenient for right angle measurement of products and parts, etc.
[Features]
· Accuracy Standard: Equivalent to JISB7526
· Measurement surface has excellent abrasion resistance due to quench hardening. Inspection tables are included with all class 1 quenched products.
· Perpendicularity ±(10 + L/20) µm. (L indicates the nominal dimension)
[Applications]
· Used for scribing work and right angle measurement of products, parts, etc.
· Essential for canners.

Standard Price:	SGD 6,401.70-
Days to Ship:	58 Day(s) or more

Beveled Straight Edges (Grade A Hardened)

NIIGATA SEIKI (SK)

Extremely convenient set square for sheet metal and finishing scribing work as well as flatness and straightness inspections, etc.
[Features]
· Used for scribing in sheet metal and finishing, and for flatness and straightness inspections.
· Measurement surface has a polished finish.
· Straightness: (10 + L/50) μm. (L indicates the nominal dimension)
[Applications]
· Used for flatness, parallelism, and straightness inspection measurement.

Standard Price:	SGD 5,605.11-
Days to Ship:	41 Day(s)

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

NIIGATA SEIKI (SK)

Set square with base, convenient for right angle measurement of products and parts, etc.
[Features]
· Non-quenched / polished finish.
· JIS B 7526 equivalent.
· Perpendicularity ±(20 + L/10) µm (L indicates the nominal dimension).
· Essential for canners.
[Applications]
· For right angle measurement and scribing work in various machining applications.

Standard Price:	SGD 5,140.23
Days to Ship:	58 Day(s) or more

Mini Machinist Square, with Brass Table

SHINWASOKUTEI

[Features]
· A small set square ideal for hobbies

Standard Price:	SGD 13.47-
Days to Ship:	Same day or more

Angle Scribing Square

SHINWASOKUTEI

[Features]
· Used for 45° verification, line drawing, and scribing

Standard Price:	SGD 12.01
Days to Ship:	8 Day(s)

Free Gold without Scale

SHINWASOKUTEI

[Features]
· Angle can be adjusted freely.

Standard Price:	SGD 8.35-
Days to Ship:	8 Day(s)

Free Square without Scale

SHINWASOKUTEI

[Features]
· Angle can be adjusted freely.
· Includes set screws which allow it to be fixed at set angles.
[Applications]
· For setting, scribing, or copying the desired angle
· For mortise construction, inking, etc.

Standard Price:	SGD 12.00-
Days to Ship:	8 Day(s)

Angled Ruler (with Stand)

OHNISHI MFG

[Features]
· A ruler with specially finished inside and outside angles.
[Applications]
· For assembly work, product inspection, parts inspection, and others.

Standard Price:	SGD 210.30-
Days to Ship:	7 Day(s) or more

Angled Ruler (Flat Type)

OHNISHI MFG

[Features]
· A ruler with specially finished inside and outside angles.
[Applications]
· For assembly work, product inspection, parts inspection, and others.

Standard Price:	SGD 211.60-
Days to Ship:	8 Day(s)

Flat Machinist's Square, TRUSCO NAKAYAMA

TRUSCO NAKAYAMA

[Features]
· Carefully selected carbon tool steels have been used.
· The usage side is for precision polishing finishing.
[Applications]
· Class 2 product: assembly for general work and can manufacturing work.

Standard Price:	SGD 71.76-
Days to Ship:	4 Day(s) or more

TRUSCO NAKAYAMA, Machinist's Square With Base

TRUSCO NAKAYAMA

[Features]
· The usage side is for precision polishing finishing.
· The pole and base are firmly mounted with a special attachment method.
· When combining parts, a given clearance is provided to prevent mutual obstruction.
[Applications]
· Class 2 product: assembly for general work and can manufacturing work.

Standard Price:	SGD 41.90-
Days to Ship:	4 Day(s) or more

Square with Stand JIS Grade 1 Quenched (JIS B7526 Standard Product)

OBISHI KEIKI SEISAKUSHO

[Features]
· This is a quenched product with an accuracy of JIS standard Grade 1.
· To be used for measuring right angles of jig tools, right angles by mounting jig tools, or right angles of products.
· The short piece is thick, allowing measurement in stable conditions.
· The long side and the short side are bonded together rigidly by a special method.

Standard Price:	SGD 153.26-
Days to Ship:	6 Day(s) or more

Blade Steel Square, I Type

NIIGATA SEIKI (SK)

Blade-type measuring surface enables easy and accurate right angle measurement.
[Features]
· Blade-shaped external angle allows errors to be identified by simply placing the square against the measurement object and checking for rays of light passing through any gaps.
· Hardened product.
[Applications]
· For accurate measurement of right angles.

Standard Price:	SGD 580.10-
Days to Ship:	11 Day(s)


Brand
Product Series
Days to Ship
Product Type
Pole Length(mm)
Accuracy(mm)
Angle(°)
Base Length(mm)
Scale
Calibration Certificate


Brand	NIIGATA SEIKI (SK)	UNI SEIKI	OBISHI KEIKI SEISAKUSHO	NIIGATA SEIKI (SK)	UNI SEIKI	UNI SEIKI	NIIGATA SEIKI (SK)	UNI SEIKI	NIIGATA SEIKI (SK)	NIIGATA SEIKI (SK)	NIIGATA SEIKI (SK)	NIIGATA SEIKI (SK)	UNI SEIKI	UNI SEIKI	UNI SEIKI	SHINWASOKUTEI	NIIGATA SEIKI (SK)	NIIGATA SEIKI (SK)	NIIGATA SEIKI (SK)	SHINWASOKUTEI	SHINWASOKUTEI	SHINWASOKUTEI	SHINWASOKUTEI	OHNISHI MFG	OHNISHI MFG	TRUSCO NAKAYAMA	TRUSCO NAKAYAMA	OBISHI KEIKI SEISAKUSHO	NIIGATA SEIKI (SK)
Product Series	Standard Steel Straight Edge Class A (Hardened)	steelstraight edge (bevel type)	Flat Square JIS Grade 1 Quenched (JIS B7526 Standard Product)	Standard Steel Straight Edge Class A (Not Hardened)	Steel Straight Edge (Flat Type)	Straight Edge (eye beam type)	Cylindrical Square	Precision Cylindrical Square	I-Beam Type Straight Edge A Grade (Not Hardened)	One-Handed Scorer, Right Handed	I-Beam Type Straight Edge (A Grade Hardening)	One-Handed Scorer, Left Handed	Flat Square Square Uniseiki	Scoya with a base Uniseiki	Speed square flange	Set Square with Aluminum Stand, without Scale	Right Angle Ruler JIS Class 1 Equivalent (Hardened)	Beveled Straight Edges (Grade A Hardened)	Right Angle Ruler JIS Class 2 Equivalent (Non-Hardened)	Mini Machinist Square, with Brass Table	Angle Scribing Square	Free Gold without Scale	Free Square without Scale	Angled Ruler (with Stand)	Angled Ruler (Flat Type)	Flat Machinist's Square, TRUSCO NAKAYAMA	TRUSCO NAKAYAMA, Machinist's Square With Base	Square with Stand JIS Grade 1 Quenched (JIS B7526 Standard Product)	Blade Steel Square, I Type
Days to Ship	31 Day(s) or more	8 Day(s) or more	8 Day(s) or more	26 Day(s) or more	8 Day(s) or more	8 Day(s)	11 Day(s)	7 Day(s) or more	36 Day(s)	11 Day(s) or more	36 Day(s)	11 Day(s) or more	8 Day(s) or more	8 Day(s) or more	8 Day(s)	8 Day(s)	58 Day(s) or more	41 Day(s)	58 Day(s) or more	Same day or more	8 Day(s)	8 Day(s)	8 Day(s)	7 Day(s) or more	8 Day(s)	4 Day(s) or more	4 Day(s) or more	6 Day(s) or more	11 Day(s)
Product Type	Straight edge	Straight edge	Flat set square	Straight edge	Straight edge	Straight edge	Other	Other	Straight edge	Square With Stand	Straight edge	Square With Stand	Flat set square	Square With Stand	Other	Square With Stand	Square With Stand	Straight edge	Square With Stand	Square With Stand	Miter Rule	Free Set Square	Free Set Square	Angled Ruler	Angled Ruler	Flat set square	Square With Stand	Square With Stand	Blade type set square
Pole Length(mm)	-	-	75 ～ 300	-	-	-	-	-	-	75 ～ 2000	-	75 ～ 2000.	75 ～ 1000	75 ～ 1000	-	-	1500 ～ 2000	-	2000	45 ～ 90	172	-	-	100 ～ 300	100 ～ 300	75 ～ 1000	75 ～ 1000	75 ～ 300	100 ～ 150
Accuracy(mm)	-	-	-	-	-	-	JIS B 7539 equivalent	-	-	JIS Grade 2 equivalent products	-	JIS Grade 2 equivalent products	-	-	-	0.1 mm or less per 100 mm	JIS B 7526	-	JIS B 7526	-	-	-	-	-	-	-	-	-	-
Angle(°)	180	-	90	180	-	-	-	-	180	90	180	90	-	-	-	90	90	180	90	90	45	-	-	45 ～ 120	45 ～ 120	-	-	90	-
Base Length(mm)	-	-	50 ～ 200	-	-	-	-	-	-	50 ～ 800	-	50 ～ 800	50 ～ 550	50 ～ 550	-	-	600 ～ 800	-	800	35 ～ 55	115	-	-	73 ～ 300	70 ～ 300	50 ～ 500	50 ～ 415	50 ～ 200	70 ～ 100
Scale	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Calibration Certificate	-	-	-	-	-	-	No	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	No

Configure

Specification/Dimensions

Product Type
- Flat set square
- Square With Stand
- Blade type set square
- Angled Ruler
- Free Set Square
- Miter Rule
- Straight edge
- Other
Clear

Pole Length(mm)
45

50

60

75

90

100

125

150

161

170

172

173

177

180

200

240

250

300

350

400

450

500

600

750

1000

1500

1800

2000

2000.
Clear

Accuracy(mm)
0.005

0.007

0.008

0.01

0.0115

0.012

0.013

0.014

0.015

0.016

0.017

0.0175

0.02

0.022

0.025

0.027

0.03

0.032

0.035

0.04

±0.1 (R gauge) / ±0.05 (diameter gauge) / ±0.15 (ruler)

0.1 mm or less per 100 mm

JIS grade 1 (grade 1 ± (10+L/20) µm hardness HS60° or more)

JIS Grade 2 equivalent products

JIS B 7526

JIS B 7539 equivalent
Clear

Angle(°)
20~120

45

45/90

60

90

120

180
Clear

Base Length(mm)
35

37

38

40

41

45

48

50

55

ø60

70

ø70

73

75

80

ø80

94

100

ø100

101

103

104

115

125

130

134

135

150

153

160

163

165

168

170

175

180

200

205

208

210

225

235

250

255

300

320

325

350

375

400

415

500

550

600

620

800
Clear

Scale
- Available
- NA
Clear

Calibration Certificate
- No
Clear

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Squares（Scale：NA）

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Angle(°)

Base Length(mm)

Scale

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