Starrett Steel Double Square, 6" Blade Length, 4R Graduation
- Designed for Precision - Starrett Double square has a 4R graduation - Quick Reading 8ths, 16ths, 32nds, 64ths that greatly increase the accuracy of your measurements.
- Built to Last - Able to withstand even the harshest environments as our squares are designed to last a lifetime. They are very reliable and perfect for any project you take on.
- Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker, mechanic, carpenter, or a "do-it-yourself" homeowner.
- Quality Made - The square is made from steel with satin chrome finish, offering exceptional durability and resistance to wear, rough usage, high-impact pressure, and shock.
- The Standard for Excellence - Manufacturing quality tools that provide consistent and reliable performance since 1880, Starrett's commitment to product excellence, has earned them a reputation as one of the most trusted names in the industry.
Estimated shipping
Select a product to estimate shipping.The Starrett Double Square features 4R graduations in 1/8", 1/16", 1/32", and 1/64" increments, delivering fast, precise measurements for detailed layout work.
Starrett squares come in a range of practical styles designed to meet the specific needs of toolmakers, mechanics, carpenters, and DIY enthusiasts alike.
Technical Specifications
The Starrett 13 Series Double Square is a trusted favorite among machinists, toolmakers, patternmakers , and precision craftsmen who demand accuracy and adaptability in their daily work. Its compact design and high-quality construction make it an essential tool for layout, inspection, and setup tasks across a wide range of applications.
This square features a 6" satin chrome-finished graduated blade , offering excellent readability and resistance to glare and corrosion. The sliding blade is fully adjustable , allowing for precise positioning and repeatable measurements at various depths and angles, ideal for tight tolerances and custom setups.
The head is precision-ground square on all faces , ensuring reliable 90° accuracy whether you're checking edges, setting up machinery, or marking workpieces. A built-in level vial in the base adds further utility, enabling quick checks for horizontal alignment without switching tools.
Equipped with 4R graduations —1/8", 1/16", 1/32", and 1/64"—this square provides quick, accurate readings for both coarse and fine measurements. The graduated blade only configuration keeps the tool lightweight and focused on precision, while the satin chrome finish enhances durability and long-term performance in demanding shop environments.
Whether you're working in a machine shop, tool room, or on a detailed layout project, the Starrett 13 Series delivers the precision, versatility, and craftsmanship professionals rely on.
Product details
Specifications
| Main Specification | |
|---|---|
| Manufacturer | Starrett |
| Unit Count | 1 Count |
| Brand | Starrett |
| UPC | 094713866312 049659501117 |
| Number of Items | 1 |
| Graduation Range | 1/64 Inches |
| Included Components | Unit^Instruction Guide |
| Material | Alloy Steel |
| Colour | Black |
| Style | Square |
| Global Trade Identification Number | 00049659501117 |
| Item Weight | 9.28 Ounces |
| Technical Details | |
|---|---|
| Part Number | 13C |
| Model | 13C |
| Material Type | Alloy Steel |
| Style | |
|---|---|
| Style Name | Square |
| Others | |
|---|---|
| Item Highlight | Inch Reading, Hardened Graduated Blade, Ideal for Machinists, Toolmakers, Patternmakers, 13C |
| Product Type | Carpentry Squares |
| Item Dimensions L x W | 1"L x 0.7"W |
| Tags | |
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| Tags | |