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    90x150mm Stainless Steel Angle Protractor, 180 Degrees

    The low cost 180 degree angle protractor is made from high quality stainless steel which is hard, tough and resistant to deformation. This multifunctional stainless steel angle protractor comes in a size of 90x150mm and can be adjusted in any direction from 0 to 180 degrees.
    SKU: SISCO-AP-150
    This product has a minimum quantity of 5
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    🚚 Free shipping
    🔙 30-day returns
    📅 Delivery: 7-12 days

    The 2 and 1 stainless steel angle protractors measure in any direction from 0 to 180 degrees and measure 90x150 mm. SISCO universal stainless steel protractor has a wide range of applications in engineering and construction, student drafting, woodworking and angle measurement.


    Angle protractor

    High quality stainless steel angle protractor, robust and durable

    • 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.


    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

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

    Dimension (Unit: mm)

    90x150mm angle protractor dimensions


    Q1: What is an angle protractor?
    A1: An angle protractor is a measuring tool used to measure angles. It typically consists of a flat, plastic or metal base with a pivoting arm that has a graduated scale marked in degrees. The arm can be rotated to any angle, allowing the user to measure the angle between two lines or the angle of a single line relative to a horizontal or vertical axis.

    Q2: How do I use an angle protractor?
    A2: To use an angle protractor, place the base of the protractor on the surface you wish to measure the angle of. Align the protractor's vertical or horizontal axis with one of the lines you want to measure the angle between. Then, rotate the protractor's arm until it is aligned with the other line you want to measure. Read the angle measurement from the graduated scale on the arm.

    Q3: What are some common applications of angle protractors?
    A3: Angle protractors are commonly used in a variety of applications, including carpentry, metalworking, engineering, and drafting. They are often used to measure the angle of a cut to ensure it is accurate and to create angled cuts for various projects. They are also useful in determining the slope of a roof or the angle of a hillside. In addition, angle protractors can be used in mathematical and scientific applications to measure angles between lines or to calculate trigonometric functions.

    Tips: How accurate are stainless steel angle protractors?

    Stainless steel angle protractors are generally considered to be highly accurate measuring instruments. The accuracy of a protractor depends on various factors such as the quality of the instrument, the design of the measuring scale, and the skill of the user.

    Stainless steel protractors are popular due to their durability, corrosion resistance, and ability to maintain their shape over time. They are commonly used in construction, woodworking, metalworking, and other fields where accurate angle measurements are required.

    The accuracy of a stainless steel angle protractor can vary depending on the specific model and brand. However, most protractors are designed to be accurate within a few degrees or even fractions of a degree.

    To ensure the accuracy of a stainless steel angle protractor, it is important to handle it properly, keep it clean and free from debris, and store it in a protective case when not in use. Additionally, it is recommended to calibrate the protractor periodically to ensure that it is measuring angles accurately.


    Thank you for buying industrial test and measurement equipment on, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
    5.0 1
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    Magnus | 11/26/2023 10:47 PM
    Compact, durable and versatile!
    I was looking for a compact and durable angle protractor, and the 90x150mm stainless steel angle protractor fit the bill perfectly. The size is easy to carry around, the stainless steel material ensures longevity, and the 180-degree scale gives me the versatility I need for projects ranging from metalworking to home repair.