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STARRETT Double Square: SAE, Steel, Satin, 4 in Blade Lg - Machinist Precision Steel Combination Squares
STARRETTMachinist Precision Steel Combination Squares

STARRETT Double Square: SAE, Steel, Satin, 4 in Blade Lg

The STARRETT Double Square (MPN 13A) is a machinist precision steel combination square with a 4-inch blade length and satin finish. It features 1/64-inch graduations and is designed for SAE measurements. This square…

SKU 3G-OTH-300462

Brand
STARRETT
Item
Double Square: SAE, Steel, Satin, 4 in Blade Lg
Category
Machinist Precision Steel Combination Squares
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

STARRETT
Manufacturer Part Number
13A

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

Product Description

The STARRETT Double Square (MPN 13A) is a machinist precision steel combination square with a 4-inch blade length and satin finish. It features 1/64-inch graduations and is designed for SAE measurements. This square is part of STARRETT's line of precision measurement tools.

Frequently Asked Questions

What is the STARRETT Double Square used for?

The STARRETT Double Square is a precision layout and inspection tool used by machinists and toolmakers to check 90-degree angles and transfer measurements. Its compact 4-inch blade and satin finish reduce glare, making it ideal for fine metalworking, tool and die work, and quality control in manufacturing environments.

What are the specifications of the STARRETT Double Square?

The STARRETT Double Square (MPN 13A) has a 4-inch blade length with 1/64-inch graduations for SAE measurements. It features a satin finish to minimize reflection and is constructed from hardened steel. The tool is designed as a precision square for machinist applications.

Where to buy the STARRETT Double Square worldwide?

You can source the STARRETT Double Square 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 genuine STARRETT precision tools to customers internationally.

How to maintain the STARRETT Double Square?

To maintain accuracy, keep the STARRETT Double Square clean and lightly oiled to prevent rust. Store it in a protective case away from impacts. Periodically check the square against a known reference standard. Avoid dropping or using it as a striking tool, as this can affect the precision of the 90-degree angle.

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 combination squares. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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