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STARRETT Precision Steel Square: 90° Angle, 3 x 2-3/8 in Outside Dimensions - Machinist Precision Steel Squares
STARRETTMachinist Precision Steel Squares

STARRETT Precision Steel Square: 90° Angle, 3 x 2-3/8 in Outside Dimensions

The STARRETT Precision Steel Square: 90° Angle (MPN 20-3) is a machinist precision steel square with outside dimensions of 3 x 2-3/8 inches, constructed from stainless steel. It offers a squareness accuracy of 0.0002…

SKU 3G-OTH-292790

Also listed as: 203 · 20 3

Brand
STARRETT
Item
Precision Steel Square: 90° Angle, 3 x 2-3/8 in Outside Dimensions
Category
Machinist Precision Steel Squares
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

STARRETT
Manufacturer Part Number
20-3
Type
Stainless Steel
Outside Dimensions
3 x 2-3/8 in

Technical Documents

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

Product Description

The STARRETT Precision Steel Square: 90° Angle (MPN 20-3) is a machinist precision steel square with outside dimensions of 3 x 2-3/8 inches, constructed from stainless steel. It offers a squareness accuracy of 0.0002 inches and is supplied in a Starrett Logo Cardboard Box.

Frequently Asked Questions

What is the STARRETT Precision Steel Square used for?

The STARRETT Precision Steel Square 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 0.0002 in squareness accuracy ensures reliable layout and inspection in metalworking, fabrication, and quality control applications.

What are the specifications of the STARRETT Precision Steel Square 20-3?

The STARRETT Precision Steel Square (MPN 20-3) has outside dimensions of 3 x 2-3/8 inches, is made of stainless steel, and offers a squareness accuracy of 0.0002 inches. It comes in a Starrett Logo Cardboard Box. This 90° angle square is designed for precision layout and inspection in machining and tooling environments.

Where to buy STARRETT Precision Steel Square in worldwide?

3G Electric supplies the STARRETT Precision Steel Square 20-3 to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to place an order or request a quote for this precision square.

How to maintain a STARRETT Precision Steel Square?

To maintain accuracy, keep the STARRETT Precision Steel Square clean and dry after use. Wipe with a soft cloth and apply a light rust-preventive oil if storing for extended periods. Avoid dropping or striking the square, as impacts can affect its 0.0002 in squareness tolerance. Store in its original Starrett box when not in use.

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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