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STARRETT Precision Steel Square with Wide Base: 90° Angle - Machinist Precision Steel Squares
STARRETTMachinist Precision Steel Squares

STARRETT Precision Steel Square with Wide Base: 90° Angle

The STARRETT Precision Steel Square with Wide Base is a 90° angle machinist square (MPN 3020-3) made of stainless steel with outside dimensions of 2-31/32 x 1-31/32 in. It features a stated accuracy of 0.001 in and…

SKU 3G-OTH-292793

Brand
STARRETT
Item
Precision Steel Square with Wide Base: 90° Angle
Category
Machinist Precision Steel Squares
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Technical Specifications

STARRETT
Manufacturer Part Number
3020-3
Outside Dimensions
2-31/32 x 1-31/32 in
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STARRETT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STARRETT Precision Steel Square with Wide Base is a 90° angle machinist square (MPN 3020-3) made of stainless steel with outside dimensions of 2-31/32 x 1-31/32 in. It features a stated accuracy of 0.001 in and comes packaged in a Starrett Logo Cardboard Box.

Frequently Asked Questions

What is the STARRETT Precision Steel Square with Wide Base used for?

The STARRETT Precision Steel Square with Wide Base (MPN 3020-3) is used by machinists and toolmakers to check and set 90° angles on workpieces, fixtures, and machinery. Its stainless steel construction resists corrosion, and the wide base provides stable referencing on surface plates or machine tables for accurate layout and inspection.

What are the specifications of the STARRETT Precision Steel Square 3020-3?

The STARRETT Precision Steel Square 3020-3 has outside dimensions of 2-31/32 x 1-31/32 in, a stated accuracy of 0.001 in, and is made of stainless steel. It is a 90° angle square packaged in a Starrett Logo Cardboard Box. The manufacturer part number is 3020-3.

Where to buy the STARRETT Precision Steel Square 3020-3 worldwide?

You can source the STARRETT Precision Steel Square 3020-3 through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to maintain a STARRETT precision steel square?

To maintain accuracy, keep the STARRETT square clean and dry after use. Wipe with a soft cloth and apply a light rust-preventive oil to the stainless steel surfaces. Store in its original Starrett Logo Cardboard Box or a padded case to avoid nicks or drops that could affect the 90° angle and 0.001 in tolerance.

Used in

Common applications for STARRETT
Structural steel fabrication — TENNAX™-PRO bi-metal band saw blades for cutting beams and channels
Stainless steel pipe cutting — Advanz™ CS carbide-tipped band saw blades for abrasive material
Aluminum extrusion cutting — Duratec™ SFB carbon steel band saw blades for soft metals
General metalworking maintenance — Intenss™ PRO-DIE high-speed steel band saw blades for mixed metals
Hard alloy tool steel cutting — Intenss™ PRO bi-metal band saw blades with hook edge
Wood and non-ferrous material sawing — Duratec™ SFB carbon steel blades for multi-material shops

STARRETT Products

3G Electric supplies STARRETT 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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