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    180 Degrees Stainless Steel Angle Protractor, 90x150mm

    5 out of 5 based on 1 reviews | Write a review
    2 and 1 stainless steel angle protractor measurements can be adjusted in any direction from 0 to 180 degrees, size 90x150 mm. The stainless steel protractor has a wide range of applications in engineering and construction, student drafting, woodworking, and angle measurement.
    SKU: ATO-AP-150
    This product has a minimum quantity of 5
    30-day Returns
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    Delivery date: 6-12 days

    The 180 degree angle protractor is made of high quality stainless steel, which is hard, tough and not easily deformed. The metal protractor scale values are precision laser etched for a clear, accurate and easy to read display.


    • Model: ATO-AP-90150
    • Measuring Range: 0-180 degrees
    • Size: 90x150mm
    • Total Body Length: 197mm
    • Diameter of Disc: 90mm
    • Width: 14mm
    • Body Thickness: 1mm
    • Weight: 73g


    • 90x150mm Stainless steel angle protractors are highly accurate and precise in measuring angles, ensuring that your measurements are as close to perfect as possible.
    • The 180-degree angle finder ruler has a laser scale for accurate and practical reading.
    • The stainless steel construction of angle protractors makes them very durable and resistant to wear and tear, ensuring they can withstand frequent use and last for a long time.
    • The stainless steel angle protractor is lightweight and compact, making them easy to carry around and use on the go.

    Scribing method

    Angle protractor scribing method

    1. Adjust the protractor to the right angle and tighten the nut.
    2. Draw the desired angle and figure along the edge of the ruler.

    Measuring Method

    Angle protractor measuring method

    1. Fit the protractor measurement close to the work.
    2. Adjust the semicircle to fit the other side of the workpiece.
    3. Just take a reading.

    Dimension (Unit: mm)

    90x150mm Angle protractor dimension


    Angle protractors are commonly used in fields such as construction, engineering, and carpentry to measure angles for cutting and fitting materials. They are also used in mathematics and physics to solve problems involving angles and trigonometry.
    Angle protractor applications

    Tips: What is an angle protractor?

    An angle protractor is a tool used for measuring angles in geometry. It typically consists of a flat, semi-circular or circular piece of clear plastic or metal, with an arc marked in degrees or radians. The protractor may also have a straight edge or ruler attached to one of its sides.

    To use an angle protractor, you place the center point of the protractor at the vertex of the angle you want to measure, aligning one of the straight edges with one of the sides of the angle. You can then read the angle measurement off the arc, usually in degrees or radians.

    Angle protractors are commonly used in various applications, such as in carpentry, engineering, drafting, and mathematics, among others. They are essential tools for measuring and constructing accurate angles, which are fundamental to many geometric concepts and constructions.

    Existing reviews of 180 Degrees Stainless Steel Angle Protractor, 90x150mm
    This is the best stainless steel protractor I have ever used
    This adjustable stainless steel protractor measures angles easily and accurately, and the stainless steel protractor provides excellent durability and withstands the wear and tear of daily use.
    From: Aldrich | Date: 20/03/2023
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