HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
9017800000 | Doc | 60.3% | CN | US | 2025-05-12 |
9017208040 | Doc | 59.6% | CN | US | 2025-05-12 |
4911998000 | Doc | 37.5% | CN | US | 2025-05-12 |
4911996000 | Doc | 37.5% | CN | US | 2025-05-12 |
4906000000 | Doc | 37.5% | CN | US | 2025-05-12 |
Square Ruler
A square ruler is a geometric tool used in technical drawing, carpentry, and general measurement. Its defining characteristic is its right angle and, typically, one edge being perfectly straight and accurately aligned.
Material
Square rulers are commonly manufactured from:
- Plastic: Acrylic, polycarbonate, or other durable plastics are frequently used for their transparency, affordability, and resistance to breakage.
- Metal: Aluminum, stainless steel, or other alloys provide greater rigidity, accuracy, and durability, often preferred for professional applications.
- Wood: Historically, and still sometimes used, wood rulers offer a traditional feel and can be easily customized.
Purpose
The primary purposes of a square ruler are:
- Drawing Right Angles: Essential for creating precise 90-degree angles in drawings and layouts.
- Measuring Straight Lines: Used to accurately measure lengths and distances.
- Marking: Facilitates the creation of straight, accurate lines for cutting, assembling, or other fabrication processes.
- Checking for Squareness: Verifying if corners are at a perfect 90-degree angle.
Function
The functionality stems from the ruler’s inherent geometry. The right angle allows for the easy construction of perpendicular lines. The straight edge provides a guide for drawing or cutting. Many rulers include markings (scales) for measuring in various units (inches, centimeters, millimeters).
Usage Scenarios
- Carpentry & Woodworking: Cutting wood accurately, squaring corners of frames, marking dimensions.
- Architecture & Engineering: Drafting plans, creating technical drawings, laying out designs.
- Art & Design: Creating precise lines and angles in artwork, graphic design, and illustration.
- Construction: Measuring and marking materials for building projects.
- General Measurement: Everyday tasks requiring straight-line measurements.
Common Types
- Combination Square: Features a ruler blade and an adjustable head that can be used for marking 45 and 90-degree angles, as well as finding center points.
- Speed Square: A triangular ruler often used in carpentry for quick marking of angles and cutting lines, particularly for framing.
- Drafting Square: Larger squares used in architectural and engineering drafting, often with scales on both edges.
- Clear Plastic Square Ruler: Transparent rulers for easy visibility over existing drawings.
- Steel Square: Rigid metal squares for precise measurements and durability.
- Try Square: Used to check if a corner is square, with a blade set at a 90-degree angle to the stock.
Based on the material, use, function, and application scenarios, a square ruler can be categorized as an instrument used for drawing, marking, or mathematical calculations.
The following HS codes are relevant:
- 9017.80.00.00: This code covers “Other instruments”. The tax details are: a basic tariff of 5.3%, an additional tariff of 25.0%, and an additional tariff of 30% after April 2, 2025, resulting in a total tariff of 60.3%.
- 9017.20.80.40: This code covers “Other drawing, marking-out or mathematical calculating instruments: Other Hand operated input devices which transmit position data to computer processors or displays (digitizers)”. The tax details are: a basic tariff of 4.6%, an additional tariff of 25.0%, and an additional tariff of 30% after April 2, 2025, resulting in a total tariff of 59.6%.
Explanation of HS Code Structure (based on provided information):
- 90: Chapter 90 covers “Instruments and apparatus which measure, check, test, navigate or control”.
- 17: Heading 17 within Chapter 90 specifically covers “Instruments and apparatus which measure, check, test, navigate or control”.
- 80: Subheading 80 further specifies “Other instruments”.
- 00: This is a further specification within the subheading.
- 40: This is a further specification within the subheading.
According to the provided reference material, the HS code options related to 'square ruler' are limited, with only the following 2 found.