INSIZE Precision Steel Square: 90° Angle, 1-39/64 x 1-7/64 in Outside Dimensions
The INSIZE Precision Steel Square (SKU 463H01, MPN 4794-040) is a 90° angle machinist square made of stainless steel. It has outside dimensions of 1-39/64 x 1-7/64 in and features an inside accuracy of 0.000091 in…
SKU 3G-OTH-292821
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Product Description
The INSIZE Precision Steel Square (SKU 463H01, MPN 4794-040) is a 90° angle machinist square made of stainless steel. It has outside dimensions of 1-39/64 x 1-7/64 in and features an inside accuracy of 0.000091 in and an outside accuracy of 0.000094 in. The square comes in a box packaging and is not certified.
Frequently Asked Questions
What is the INSIZE Precision Steel Square used for?
The INSIZE Precision Steel Square is used for checking and marking 90° right angles in machining, toolmaking, and quality inspection. Its stainless steel construction resists corrosion, making it suitable for precision layout work on metal, wood, and plastic workpieces in industrial workshops.
What are the specifications of the INSIZE Precision Steel Square 4794-040?
The INSIZE Precision Steel Square (MPN 4794-040) has outside dimensions of 1-39/64 x 1-7/64 in, is made of stainless steel, and provides an inside accuracy of 0.000091 in and an outside accuracy of 0.000094 in. It comes in box packaging and is not certified.
Where to buy the INSIZE Precision Steel Square worldwide?
You can source the INSIZE Precision Steel Square through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this precision square.
How to maintain the INSIZE Precision Steel Square?
To maintain accuracy, clean the square with a soft cloth after use and apply a light rust-preventive oil to the stainless steel surface. Store it in its box away from moisture and impacts. Avoid dropping or using it as a striking tool to preserve the 90° angle and specified tolerances.
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3G Electric supplies INSIZE machinist precision steel squares. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















