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INSIZE Flat Edge Square: 90° Angle, 3.9 x 2.8 in Outside Dimensions - Machinist Precision Steel Squares
INSIZEMachinist Precision Steel Squares

INSIZE Flat Edge Square: 90° Angle, 3.9 x 2.8 in Outside Dimensions

The INSIZE Flat Edge Square: 90° Angle (MPN 4791-1001) is a machinist precision steel square made of stainless steel with outside dimensions of 3.9 x 2.8 in. It offers inside accuracy of.00056in and outside accuracy…

SKU 3G-OTH-292824

Also listed as: 47911001 · 4791 1001

Brand
INSIZE
Item
Flat Edge Square: 90° Angle, 3.9 x 2.8 in Outside Dimensions
Category
Machinist Precision Steel Squares
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

INSIZE
Manufacturer Part Number
4791-1001
Type
Stainless Steel
Outside Dimensions
3.9 x 2.8 in

Technical Documents

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INSIZE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INSIZE Flat Edge Square: 90° Angle (MPN 4791-1001) is a machinist precision steel square made of stainless steel with outside dimensions of 3.9 x 2.8 in. It offers inside accuracy of.00056in and outside accuracy of.00060in, and comes packaged in a box.

Frequently Asked Questions

What is the INSIZE Flat Edge Square used for?

The INSIZE Flat Edge Square is a machinist precision square used for checking 90° angles and squareness in metalworking, machining, and inspection. Its stainless steel construction resists corrosion, and the flat edge design allows accurate layout and setup on surface plates or machine tables.

What are the specifications of the INSIZE Flat Edge Square 4791-1001?

The INSIZE Flat Edge Square (MPN 4791-1001) has outside dimensions of 3.9 x 2.8 in, is made of stainless steel, and provides inside accuracy of .00056in and outside accuracy of .00060in. It comes packaged in a box and is not certified (No).

Where to buy the INSIZE Flat Edge Square worldwide?

3G Electric supplies the INSIZE Flat Edge Square (4791-1001) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision square.

How to maintain the INSIZE Flat Edge Square?

To maintain accuracy, keep the INSIZE Flat Edge Square clean and lightly oiled to prevent rust. Store it in its box away from impacts. Avoid dropping or using it as a striking tool. Regularly check squareness against a known reference to ensure the .00056in inside and .00060in outside tolerances are preserved.

Used in

Common applications for INSIZE
Quality control inspection — INSIZE digital calipers (1118-150R) for dimensional checks on machined parts.
Machine tool setup — INSIZE dial test indicators (2380-301) for aligning workpieces and measuring runout.
Hardness testing verification — INSIZE hardness test blocks (HDT-B-HV30D) for calibrating Vickers testers.
Layout and marking — INSIZE precision steel squares (4745-1120) for checking 45° angles on fixtures.
Workpiece holding — INSIZE magnetic V-blocks (6889-2) for securing cylindrical parts during measurement.
Groove and recess measurement — INSIZE small point jaw calipers (1169-150) for measuring internal features.

INSIZE Products

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.

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