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INSIZE Flat Edge Square: 90° Angle, 7.9 x 5.1 in Outside Dimensions - Machinist Precision Steel Squares
INSIZEMachinist Precision Steel Squares

INSIZE Flat Edge Square: 90° Angle, 7.9 x 5.1 in Outside Dimensions

The INSIZE Flat Edge Square: 90° Angle is a machinist precision steel square with outside dimensions of 7.9 x 5.1 in, constructed from stainless steel. It offers an inside accuracy of.00075in and an outside accuracy…

SKU 3G-OTH-292826

Also listed as: 47912001 · 4791 2001

Brand
INSIZE
Item
Flat Edge Square: 90° Angle, 7.9 x 5.1 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
4791-2001
Type
Stainless Steel
Outside Dimensions
7.9 x 5.1 in

Technical Documents

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

Product Description

The INSIZE Flat Edge Square: 90° Angle is a machinist precision steel square with outside dimensions of 7.9 x 5.1 in, constructed from stainless steel. It offers an inside accuracy of.00075in and an outside accuracy of.00079in, and is supplied in a box.

Frequently Asked Questions

What is the INSIZE Flat Edge Square used for?

The INSIZE Flat Edge Square is used by machinists and toolmakers to check and set 90° angles on workpieces, fixtures, and machine setups. Its stainless steel construction resists corrosion, and the high accuracy (inside .00075in, outside .00079in) makes it suitable for precision layout, inspection, and quality control in metalworking and manufacturing.

What are the specifications of the INSIZE Flat Edge Square 4791-2001?

The INSIZE Flat Edge Square (MPN 4791-2001) has outside dimensions of 7.9 x 5.1 inches and is made of stainless steel. It provides an inside accuracy of .00075in and an outside accuracy of .00079in. The square is supplied in a protective box and is not certified (no calibration certificate included).

Where to buy the INSIZE Flat Edge Square worldwide?

You can source the INSIZE Flat Edge Square 4791-2001 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; we supply this precision square to machinists and manufacturers internationally.

How to maintain the INSIZE Flat Edge Square?

To maintain accuracy, keep the INSIZE Flat Edge Square clean and dry after use. Wipe with a soft cloth and apply a light rust-preventive oil to the stainless steel surface. Store it in the supplied box away from impacts and temperature extremes. Avoid dropping or using the square as a striking tool to preserve its .00075in inside and .00079in outside accuracy.

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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