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INSIZE Flat 90 Degree Edge Square: 90° Angle, 5.9 x 3.9 in Outside Dimensions - Machinist Precision Steel Squares
INSIZEMachinist Precision Steel Squares

INSIZE Flat 90 Degree Edge Square: 90° Angle, 5.9 x 3.9 in Outside Dimensions

The INSIZE Flat 90 Degree Edge Square (MPN 4791-1501) is a machinist precision steel square with 5.9 x 3.9 in outside dimensions, constructed from stainless steel. It provides inside accuracy of.00063in and outside…

SKU 3G-OTH-292778

Also listed as: 47911501 · 4791 1501

Brand
INSIZE
Item
Flat 90 Degree Edge Square: 90° Angle, 5.9 x 3.9 in Outside Dimensions
Category
Machinist Precision Steel Squares
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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
4791-1501
Type
Stainless Steel
Outside Dimensions
5.9 x 3.9 in

Technical Documents

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

Product Description

The INSIZE Flat 90 Degree Edge Square (MPN 4791-1501) is a machinist precision steel square with 5.9 x 3.9 in outside dimensions, constructed from stainless steel. It provides inside accuracy of.00063in and outside accuracy of.00071in, and is supplied in a box.

Frequently Asked Questions

What is the INSIZE Flat 90 Degree Edge Square used for?

The INSIZE Flat 90 Degree Edge Square is used by machinists and quality inspectors to check and set 90° angles on workpieces, fixtures, and machine setups. It is commonly applied in metalworking, tool and die making, and precision engineering to verify squareness of surfaces and edges.

What are the specifications of the INSIZE Flat 90 Degree Edge Square 4791-1501?

The INSIZE Flat 90 Degree Edge Square (MPN 4791-1501) has outside dimensions of 5.9 x 3.9 in and is made of stainless steel. It provides inside accuracy of .00063in and outside accuracy of .00071in. The square is supplied in a protective box.

Where to buy the INSIZE Flat 90 Degree Edge Square worldwide?

You can source the INSIZE Flat 90 Degree Edge Square (4791-1501) 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.

How to maintain the INSIZE Flat 90 Degree Edge Square?

To maintain accuracy, keep the INSIZE square clean and dry after use. Apply a light rust-preventive oil to the stainless steel surface if storing for extended periods. Store it in the supplied box to protect edges from nicks. Avoid dropping or striking the square against hard surfaces.

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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