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STARRETT Double Square: SAE, Steel, Satin, 4 in Blade Lg, 1/64 in Graduations - Machinist Precision Steel Combination Squares
STARRETTMachinist Precision Steel Combination Squares

STARRETT Double Square: SAE, Steel, Satin, 4 in Blade Lg, 1/64 in Graduations

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, 1/64 in Graduations
Category
Machinist Precision Steel Combination Squares
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

STARRETT
Manufacturer Part Number
13A

Technical Documents

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
The STARRETT Double Square (MPN 13C) is a machinist precision steel combination square with a 6 in blade length and 1/64 in graduations. It features a satin finish and a cast iron square head. This SAE-measurement tool is designed for layout and inspection work in toolrooms and machine shops
STARRETT
The STARRETT Double Square (MPN 13C) is a machinist precision steel combination square with a 6 in blade length and 1/64 in graduations. It features a satin finish and a cast iron square head. This SAE-measurement tool is designed for layout and inspection work in toolrooms and machine shops
This combination square features a 24-inch satin-finished steel blade with 1/64-inch graduations and a cast iron square head. It is used for layout, measurement, and angle checking in industrial machining and metalworking
STARRETT
This combination square features a 24-inch satin-finished steel blade with 1/64-inch graduations and a cast iron square head. It is used for layout, measurement, and angle checking in industrial machining and metalworking
This combination square set features a 6-inch steel blade with satin finish and 1/64-inch graduations. Includes a center/square head for layout, angle checking, and center finding. Suitable for precision measurement and marking in machining and metalworking applications
STARRETT
This combination square set features a 6-inch steel blade with satin finish and 1/64-inch graduations. Includes a center/square head for layout, angle checking, and center finding. Suitable for precision measurement and marking in machining and metalworking applications
This combination square set includes a 12-inch satin-finished steel blade with 1/64-inch graduations, a square head, and a center/reversible protractor. It is used for measuring and laying out angles, depths, and centers in machining and metalworking applications
STARRETT
This combination square set includes a 12-inch satin-finished steel blade with 1/64-inch graduations, a square head, and a center/reversible protractor. It is used for measuring and laying out angles, depths, and centers in machining and metalworking applications
This combination square set includes a 12-inch steel blade with satin finish and 1/64-inch graduations, along with a center/reversible protractor and square head. It is used for precision layout, measurement, and angle checking in machining and metalworking applications, such as marking 90° and 45° angles, checking flatness, and locating centers on round stock
STARRETT
This combination square set includes a 12-inch steel blade with satin finish and 1/64-inch graduations, along with a center/reversible protractor and square head. It is used for precision layout, measurement, and angle checking in machining and metalworking applications, such as marking 90° and 45° angles, checking flatness, and locating centers on round stock
This combination square set includes a 12-inch brushed steel blade with 1/64-inch SAE graduations, a center/non-reversible protractor, and a square head. The set is used for layout, angle measurement, and squareness checks in machining and metalworking applications
STARRETT
This combination square set includes a 12-inch brushed steel blade with 1/64-inch SAE graduations, a center/non-reversible protractor, and a square head. The set is used for layout, angle measurement, and squareness checks in machining and metalworking applications

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This STARRETT combination square features a 4-inch brushed steel blade with 1/64-inch graduations and a cast iron square head. It provides accurate 90-degree and 45-degree references for layout, angle checking, and depth measurement in machining and metalworking tasks
STARRETT
This STARRETT combination square features a 4-inch brushed steel blade with 1/64-inch graduations and a cast iron square head. It provides accurate 90-degree and 45-degree references for layout, angle checking, and depth measurement in machining and metalworking tasks
This steel combination square features a 6-inch satin-finished blade with 1/64-inch graduations for precise layout, angle checking, and depth measurement in machining and metalworking applications. The satin finish reduces glare for accurate readings
STARRETT
This steel combination square features a 6-inch satin-finished blade with 1/64-inch graduations for precise layout, angle checking, and depth measurement in machining and metalworking applications. The satin finish reduces glare for accurate readings
This combination square features a 12-inch satin-finished steel blade with 1/64-inch graduations and a cast iron square head. It is used for precision layout, angle checking, and depth measurement in machining and metalworking applications
STARRETT
This combination square features a 12-inch satin-finished steel blade with 1/64-inch graduations and a cast iron square head. It is used for precision layout, angle checking, and depth measurement in machining and metalworking applications
This combination square features a 4-inch satin-finished steel blade with 1/64-inch graduations and a cast-iron head. It is used for precision layout, measuring 90-degree angles, and checking squareness in machining and metalworking applications
STARRETT
This combination square features a 4-inch satin-finished steel blade with 1/64-inch graduations and a cast-iron head. It is used for precision layout, measuring 90-degree angles, and checking squareness in machining and metalworking applications
This 6-inch combination square features a satin-finished steel blade with 1/64-inch graduations and a cast-iron square head. It is used for layout, angle measurement, and depth checking in machining and metalworking, providing accurate 90-degree and 45-degree references
STARRETT
This 6-inch combination square features a satin-finished steel blade with 1/64-inch graduations and a cast-iron square head. It is used for layout, angle measurement, and depth checking in machining and metalworking, providing accurate 90-degree and 45-degree references
This combination square features a 12-inch brushed steel blade with 1/64-inch graduations and a cast iron square head. It is used for layout and measurement tasks requiring a square and rule, such as checking squareness, marking lines, and measuring depths in machining and metalworking applications
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This combination square features a 12-inch brushed steel blade with 1/64-inch graduations and a cast iron square head. It is used for layout and measurement tasks requiring a square and rule, such as checking squareness, marking lines, and measuring depths in machining and metalworking applications
This combination square features a brushed steel blade with 1 mm metric graduations and a cast iron square head. It is used for precision measurement, layout, checking squareness, and depth measurement in machining and metalworking applications
STARRETT
This combination square features a brushed steel blade with 1 mm metric graduations and a cast iron square head. It is used for precision measurement, layout, checking squareness, and depth measurement in machining and metalworking applications
This combination square features a 6-inch brushed steel blade with a 1/100 in aircraft quick-reading scale and a cast iron square head. Designed for layout, measurement, and inspection tasks, it enables accurate 90-degree checks and depth measurements in machining and metalworking applications
STARRETT
This combination square features a 6-inch brushed steel blade with a 1/100 in aircraft quick-reading scale and a cast iron square head. Designed for layout, measurement, and inspection tasks, it enables accurate 90-degree checks and depth measurements in machining and metalworking applications