Steel square
An official Distributor of Niigata Seiki in Vietnam
Steel square
Steel square is another tool used in the mechanical industry for quick, accurate, and efficient measurements.
Introduction
It is a product line manufactured by Niigata Seiki – Japan.
Application:
- Steel square is made from stainless steel and is designed for checking right angles and precise marking.
- It is applied in industries such as shipbuilding, steel construction, machining, and assembly.
- Additionally, it is also commonly used in woodworking, stonework, construction, and more.
Features:
- Available in various sizes and designs to suit different machining needs
- Low distortion and excellent wear resistance
- Clear and sharp markings for the most accurate measurement results
- High durability over time
- Can be used for precise distance measurement and marking
- Made from high-hardness steel with a smooth finish
Types of Steel square
Steel square (Type AA / DD)
First grade (Hardened):
- USE
● Measurement of squareness - MATERIAL
● Carbon steel for machine structual use（hardened measuring face）
● Hardness: over HV450 - FEATURES
● Dimension and accuracy equivalent to JIS B 752 (※exceeds JIS）
● Hardened measuring face for abrasion resistance
● All hardened, first grade squares are provided with inspection report
Second grade (Non-hardened):
- FEATURES
● Dimension and accuracy equivalent to JIS B 7526 (※exceeds JIS)
● Non-hardened・Ground finish
AA Type
DD Type
Steel square with metric graduated blade (Type C & Type E)
- USE
● Measurement of squareness - MATERIAL
● Carbon steel for machine structual use - FEATURES
● Graduated with 1mm division
● Accuracy equivalent to JIS Grade 2 - Graduation Accuracy: 0.4 (±mm)
C-150
E-150
Heavy duty steel square (HDD Type)
- USE
● Measurement of squareness - MATERIAL
● Carbon steel for machine structual use (hardened) - FEATURES
● The heavy duty ‘DD’ type is engineered for ultimate stability
● Provided with inspection report
HDD – 150
Steel square with flush mounted beam (TRS Series )
- USE
● Measurement of squareness - MATERIAL
● Carbon steel for machine structual use - FEATURES
● Available in “right handed” and “left handed” versions
● Accuracy equivalent to JIS Grade 2 - Grade 1 is also available on request
Blade steel square (AAI series)
- USE
● For precise right angle measurement - MATERIAL
● Carbon steel for machine structual us (hardened) - FEATURES
● Knife-shaped outer blade reflects light ray on object to be measured for clearance inspection - Squareness Accuracy:
+ AAI-100K: +/- 3.0 μm
+ AAI-150K: +/- 3.5 μm
AAI -150K
Cylindrical square ( CS-F Series)
- USE
● For precise right angle measurement - MATERIAL
● Alloy tool steel “hardened” - FEATURES
● Accuracy equivalent to JIS B 7539
● The highest squareness accuracy in the square products
● Non-conductive handle is less thermal expansion when in use
CS-F100
T- square (TS Series)
- USE
● For general engineering work or marking work - MATERIAL
● Carbon steel for machine structual use - FEATURES
● The blade and beam are permanently secured by rivets - Nominal Size: 100 ～ 1000 mm
- Weight: 130 g～10,9 kg
TS Series
Flange square (FS series )
- USE
● Inspection of surfaces with fange, and piping connections - MATERIAL
● Rolled steel for general structure - Nominal Size:
– 200 x 300: FS-1
– 300 x 400: FS-2
– 680 x 750: FS-3 - Straightness: +/- 0,037 mm ～0,071 mm
- Weight: 520g ～ 3,7 kg
- USE
FS Series
