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STARRETT Precision Steel Square: 90° Angle, 12 x 7 in Outside Dimensions - Machinist Precision Steel Squares
STARRETTMachinist Precision Steel Squares

STARRETT Precision Steel Square: 90° Angle, 12 x 7 in Outside Dimensions

The STARRETT Precision Steel Square: 90° Angle (SKU 2ZUT9) is a machinist precision steel square with outside dimensions of 12 x 7 inches, constructed from stainless steel. It offers a squareness accuracy of 0.0002…

SKU 3G-OTH-292792

Brand
STARRETT
Item
Precision Steel Square: 90° Angle, 12 x 7 in Outside Dimensions
Category
Machinist Precision Steel Squares
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Technical Specifications

STARRETT
Manufacturer Part Number
20-12
Type
Stainless Steel
Outside Dimensions
12 x 7 in
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STARRETT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STARRETT Precision Steel Square: 90° Angle (SKU 2ZUT9) is a machinist precision steel square with outside dimensions of 12 x 7 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 a STARRETT Precision Steel Square used for?

A 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 20-12 Precision Steel Square?

The STARRETT 20-12 Precision Steel Square has outside dimensions of 12 x 7 inches, is made of stainless steel, and offers a squareness accuracy of 0.0002 inches. It comes in a Starrett Logo Cardboard Box and has manufacturer part number 20-12. This is a machinist-grade square for precise 90° angle measurement.

Where to buy a STARRETT Precision Steel Square worldwide?

3G Electric supplies the STARRETT Precision Steel Square worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order the STARRETT 20-12 or other precision squares; we source genuine Starrett tools for machinists and quality control professionals.

How to maintain a STARRETT Precision Steel Square?

To maintain a STARRETT Precision Steel Square, keep it clean and dry after use to prevent corrosion. Store it in its Starrett Logo Cardboard Box or a protective case to avoid nicks or drops that could affect the 0.0002 in accuracy. Periodically check squareness with a known reference; avoid using it as a striking tool.

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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STARRETT Combination Square: SAE, Steel, Satin, 12 in Blade Lg, 1/64 in Graduations (MPN C11H-12-4R). Key specifications — attr1182179: Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Cast Iron.
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STARRETT Combination Square: SAE, Steel, Brushed, 6 in Blade Lg (MPN 11H-6-16R). Key specifications — attr1182179: Square; attr1182186: 1/100 in (Aircraft Quick Reading); attr1182189: Brushed; attr1182159: STARRETT; attr1182169: Cast Iron.
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STARRETT Double Square: SAE, Steel, Satin, 6 in Blade Lg, 1/64 in Graduations (MPN 13C). Key specifications — attr1182179: Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Cast Iron.
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