Protractor
$ 16.73 Original price was: $ 16.73.$ 15.89Current price is: $ 15.89.
A protractor is a measuring instrument used in geometry and mathematics to quantify angles. It typically consists of a flat, semicircular or circular tool made of transparent or opaque material, marked with degree measurements from 0 to 180 or 0 to 360. The center of the protractor usually has a pivot point, allowing it to be placed at the vertex of an angle for accurate measurement. Users align the protractor’s baseline with one side of the angle and read the degree value where the other side intersects the protractor scale to determine the angle’s measurement. Protractors come in various designs, including simple plastic versions for basic measurements and more advanced models with additional features for specific applications.
Table of Contents
ToggleProtractor
Uses
-
Geometry and Mathematics Education:
-
Angle Measurement: Protractors are commonly used in geometry classes to teach students how to measure and identify angles in geometric shapes.
-
-
Architectural and Engineering Drafting:
-
Design and Drafting: Architects and engineers use protractors to measure and draw angles accurately when creating floor plans, blueprints, and technical drawings.
-
-
Construction and Carpentry:
-
Angle Layout: Carpenters and construction workers use protractors to mark and measure angles for accurate cutting and assembly of building materials.
-
-
Navigation:
-
Map Reading and Navigation: Navigational tools may use protractors to help determine bearings and plot courses on maps, especially in marine and aviation applications.
-
-
Physics and Science Experiments:
-
Experimental Setups: In physics and other sciences, protractors are used in experimental setups to measure and analyze the angles involved in various phenomena.
-
-
Art and Design:
-
Artistic Creations: Artists and designers may use protractors to create precise angles in their works, ensuring symmetry and accurate representations.
-
-
Mechanical Engineering:
-
Machine Design: Mechanical engineers use protractors for angle measurements in the design and analysis of machine components and mechanisms.
-
-
Surveying:
-
Land Surveying: Surveyors use protractors to measure angles and bearings in the field when mapping land and determining property boundaries.
-
-
Mathematical Calculations:
-
Trigonometry: Protractors can be used in conjunction with trigonometric principles for solving mathematical problems involving angles.
-
-
DIY Projects:
-
Home Improvement: DIY enthusiasts use protractors for accurate angle measurements when working on various home improvement projects.
-
-
Metalworking:
-
-
Metal Fabrication: In metalworking and welding, protractors are used to mark and measure angles for cutting and joining metal components.
-
Safety Precautions
-
Mindful Handling:
-
Handle the protractor with care to avoid any sharp edges or corners that could cause cuts or injuries.
-
Be cautious when transporting or storing the tool to prevent damage and maintain its accuracy.
-
-
Proper Storage:
-
Store protractors in a designated place where they won't be crushed or damaged by other tools or objects.
-
Keep them away from extreme temperatures or direct sunlight, as this can affect the material and accuracy.
-
-
Pivoting Point Safety:
-
The central pivoting point of the protractor can be sharp. Avoid placing your fingers too close to this point to prevent pinching or injury.
-
When sharing protractors, ensure that users are aware of the sharp point and handle it with care.
-
-
Clear Work Area:
-
Ensure that your work area is clean and clutter-free to prevent accidents. Remove any unnecessary tools or materials that may interfere with your use of the protractor.
-
-
Use the Right Tool for the Job:
-
Select the appropriate protractor for the task at hand. Different protractors are designed for various applications, and using the right tool enhances accuracy and safety.
-
-
Be Aware of Surroundings:
-
Pay attention to your surroundings, especially when working in a group or crowded space. Avoid unintentional collisions with other individuals or objects.
-
-
Correct Alignment:
-
When measuring angles, ensure the protractor is correctly aligned with the sides of the angle. Misalignment can lead to inaccurate measurements and potentially affect the outcome of a project.
-
-
Secure Workpieces:
-
If you are using a protractor in conjunction with cutting or machining tools, secure the workpieces properly to prevent movement during the process.
-
-
Eye Protection:
-
When working with tools that generate debris or dust, wear appropriate eye protection to shield your eyes from potential hazards.
-
-
Educate and Train Users:
-
If the protractor is being used in an educational setting or workplace, provide proper training on its usage and safety guidelines.
-
Emphasize the importance of following safety protocols to minimize the risk of accidents.
-
-
Supervision for Beginners:
-
If someone is new to using a protractor or similar tools, provide supervision until they become proficient and confident in handling the tool safely.
-
Related products
Carpenter’s Pencil – Hexagon
A Carpenter's Pencil Hexagon refers to a pencil specifically designed for carpentry work, characterized by its hexagonal shape. Unlike traditional round pencils, the hexagonal shape of a Carpenter's Pencil prevents it from rolling off surfaces and provides a more secure grip, making it practical for precision and control in carpentry tasks. The design also allows for easy identification and retrieval among other tools on a busy work site. Additionally, Carpenter's Pencils often feature a flat or rectangular cross-section, further preventing them from rolling and making them convenient for marking lines with straight edges.
Carving chisel set
A carving chisel set typically refers to a collection of twelve individual chisels specifically designed for carving and shaping wood or other materials. These sets often include a variety of chisel shapes and sizes, such as straight gouges, bent gouges, V-parting tools, and skew chisels. Each chisel in the set serves a unique purpose, allowing artisans and woodworkers to achieve different carving techniques and create intricate details in their projects. The set is designed to provide a comprehensive selection of tools that cater to various carving needs, offering versatility and precision in woodworking and carving applications.
Combination spanner set
A combination spanner set typically refers to a collection of twelve different-sized spanners that feature both open-end and box-end configurations. Combination spanners are versatile tools commonly used in mechanical and household applications. The open end is designed to grip fasteners in tight spaces, while the box end provides a more secure grip on the flats of a nut or bolt.
The set usually includes a range of sizes to accommodate various fastener dimensions. Each spanner in the set may be marked with its specific size, typically in metric or imperial units. This versatile tool set is essential for tasks that require tightening or loosening nuts and bolts in different applications, providing flexibility and convenience for the user.
Electronic Wire Stripper
An electronic wire stripper is a specialized handheld tool designed for efficiently and accurately removing the insulation or outer covering from electrical wires. It incorporates motorized or automated mechanisms to cut through and strip the insulation without damaging the underlying conductive wire. This tool is commonly used in electrical and electronic applications to streamline the process of preparing wires for connection, ensuring precision and reducing the risk of damage to the wire during the stripping process.
External Circlip Pliers Bent
External circlip pliers – bent refer to a specialized hand tool designed for the installation and removal of external circlips. A circlip, also known as a retaining ring or snap ring, is a type of fastener or retaining device that fits into a groove on a cylindrical object, such as a shaft or a bore. External circlips are positioned on the outside of the shaft or bore.
The term "bent" in the context of external circlip pliers describes the shape of the tool. These pliers typically have angled or bent tips that allow for easier access to the external circlip, especially in tight or confined spaces. The bent design helps the user reach and manipulate the circlip more effectively, providing improved maneuverability during installation or removal.
External Circlip Pliers Straight
External circlip pliers – straight, also known simply as external circlip pliers or snap ring pliers, are specialized hand tools designed for installing and removing external circlips or snap rings. Circlips are ring-shaped fasteners with open ends that fit into machined grooves on the outside of a shaft or bore. External circlip pliers are specifically designed to work with these types of retaining rings.
The "straight" designation indicates that the tips of the pliers are aligned in a straight line, as opposed to angled or curved tips. This straight configuration allows for easier access to circlips in certain applications.
These pliers typically have pointed or semi-circular jaws that fit into the holes or notches of the circlip, facilitating the compression or expansion of the ring for installation or removal. The handles are designed for comfortable grip and effective leverage.
Flat Cold Chisel with Guard
A Flat Cold Chisel with Guard is a hand tool designed for cutting, shaping, or removing metal by striking it with a hammer. The chisel has a flat, elongated metal blade with a sharp cutting edge at one end. The guard, often made of metal or another protective material, is positioned along the sides of the blade to enhance safety during use. This guard helps prevent accidental injuries by shielding the user's hand from direct contact with the sharp edge and also provides stability to the chisel during striking. The flat cold chisel with a guard is commonly used in metalworking and construction applications.
Flat Hand Steel File
A Flat Hand Steel File is a type of hand tool used in metalworking and woodworking to remove material from a workpiece by abrasion. It consists of a flat, elongated piece of metal with parallel rows of teeth or ridges, called the file's "cut," which are designed to cut or shape a material when rubbed against it. Flat hand files are typically rectangular in shape and come in various sizes and coarseness grades, allowing for different levels of material removal and finishing. These files are commonly used for smoothing, shaping, and leveling surfaces in a variety of applications, providing a versatile means of material removal in manual craftsmanship.

Acrylic Sealants
Construction Adhesives
Double-Sided Tape
Duct Tape
Electrical Tape
Epoxy & Resins
Masking Tape
Automotive Wrenches & Socket Sets
Battery Chargers & Jump Starters
Car Jacks & Stands
Car Wash & Detailing Products
Diagnostic Tools
Tire Inflators
Vehicle Lighting
Oil & Lubricants
Adhesives & Sealants
Bricks & Blocks
Cement & Concrete
Drywall & Plaster
Flooring (Tiles, Wood, Laminate)
Lumber & Plywood
Paints, Primers & Coatings
Insulation Materials
Roofing Materials
Circuit Breakers
Electrical Cables & Wires
Switches & Sockets
Fuses & Relays
Connectors & Terminals
Electrical Boxes & Panels
Conduit & Fittings
Lighting Fixtures & Bulbs
Extension Cords & Power Strips
Anchors
Bolts
Clips & Clamps
Screws
Nuts
Washers
Rivets
Nails
Threaded Rods
Hammers
Measuring Tools (Tapes, Levels, Calipers)
Screwdrivers
Pliers & Cutters
Saws & Blades
Chisels & Punches
Allen Keys & Hex Keys
Ratchets & Socket Sets
Wrenches & Spanners
Power Tool Accessories (Blades, Bits, Discs)
Rotary Tools
Saws (Circular, Jigsaw, Reciprocating)
Drills & Drivers
Grinders & Sanders
Heat Guns
Nail Guns
Impact Wrenches
Batteries & Chargers
Pipes & Fittings (PVC, Copper, PEX)
Plumbing Tools
Pumps & Motors
Sealants & Adhesives for Plumbing
Valves & Taps
Water Heaters
Drainage Systems
Faucets & Fixtures
Hoses & Tubing
Hinges & Latches
Hooks & Brackets
Window Hardware
Chains & Cables
Casters & Wheels
Shelving & Storage Systems
Door Handles & Locks
Drawer Slides & Cabinet Hardware
Personal Protective Equipment (PPE)
Respirators & Masks
Safety Glasses
Safes
Security Cameras
Gloves
Helmets
Ear Protection
Fire Safety Equipment
Locks & Padlocks
Motion Sensors & Alarms
Garden Fencing
Garden Furniture Hardware
Lawn Mowers
Trimmers & Edgers
Shovels & Spades
Rakes & Hoes
Pruning Shears & Loppers
Watering Systems (Hoses, Sprinklers, Nozzles)
Interior Paints
Paint Brushes & Rollers
Paint Strippers & Thinners
Paint Trays & Accessories
Exterior Paints
Spray Paints
Primers & Undercoats
Varnishes & Stains
Gaskets & Seals
Hydraulic Fittings
Industrial Fasteners
Industrial Hoses
Lubricants & Greases
Metal Sheets & Bars
Bearings & Bushings
Belts & Pulleys
HVAC Filters
Insulation for HVAC
Air Conditioners
Refrigerants
Ventilation Ducts & Fittings
Thermostats & Controllers
Fans & Blowers
Pegboards & Hooks
Shelving Units
Storage Bins & Containers
Toolboxes & Tool Chests
Workbenches
Drawer Organizers
Labeling Supplies
Welding Accessories (Clamps, Brushes)
Welding Electrodes & Rods
Welding Helmets & Gloves
Welding Machines
Soldering Irons & Stations
Flux & Solder Wire
Generator Accessories
Inverters
Portable Generators
Power Inverters
Transfer Switches
Diesel & Gasoline Generators
Transport Equipment: Carts, Dollies, and Hand Trucks
Storage Solutions: Pallets, Racks, and Containers
Lifting Equipment: Hoists, Cranes, and Jacks
Conveyors & Accessories: Belts & Rollers
Office Chairs