Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
STARRETT Spindle Square: 0 in to 1.25 in, 0-25-0 Dial Reading, 0.0005 in Graduations - Spindle Squares
STARRETTSpindle Squares

STARRETT Spindle Square: 0 in to 1.25 in, 0-25-0 Dial Reading, 0.0005 in Graduations

The STARRETT Spindle Square (SKU 5UAT5) is a spindle square with a measurement range of 0 in to 1.25 in. It features a 0-25-0 dial reading with 0.0005 in graduations, in inch units. This product is manufactured by…

SKU 3G-OTH-223817

Brand
STARRETT
Item
Spindle Square: 0 in to 1.25 in, 0-25-0 Dial Reading, 0.0005 in Graduations
Category
Spindle Squares
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

STARRETT
Manufacturer Part Number
649-5
Type
Inch
Graduations
0.0005 in
Dial Reading
0-25-0
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The STARRETT Spindle Square (SKU 5UAT5) is a spindle square with a measurement range of 0 in to 1.25 in. It features a 0-25-0 dial reading with 0.0005 in graduations, in inch units. This product is manufactured by STARRETT under part number 649-5.

Frequently Asked Questions

What is a STARRETT Spindle Square used for?

A STARRETT Spindle Square is used to check the squareness of spindles, arbors, and other rotating machine components. It is commonly applied in machine tool setup, quality inspection, and maintenance to ensure perpendicular alignment within 0.0005 in graduations.

What are the specifications of the STARRETT Spindle Square 649-5?

The STARRETT Spindle Square 649-5 has a measurement range of 0 in to 1.25 in, a 0-25-0 dial reading, and 0.0005 in graduations in inch units. It is manufactured by STARRETT under part number 649-5 and is designed for precision squareness checks.

Where to buy STARRETT Spindle Square 649-5 worldwide?

You can source the STARRETT Spindle Square 649-5 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment supplier. Contact us for availability and lead time.

How to maintain a STARRETT Spindle Square?

To maintain a STARRETT Spindle Square, keep it clean and store it in a protective case to prevent damage. Avoid dropping or applying excessive force. Periodically check calibration against a known reference surface to ensure accuracy remains within the 0.0005 in graduations.

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
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.
STARRETT
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.
STARRETT Combination Square: Metric, Steel, Brushed, 11 13/16 in Blade Lg, 1 mm Graduations (MPN 11MH-300). Key specifications — attr1182179: Square; attr1182186: 1 mm; attr1182189: Brushed; attr1182159: STARRETT; attr1182169: Cast Iron.
STARRETT
STARRETT Combination Square: Metric, Steel, Brushed, 11 13/16 in Blade Lg, 1 mm Graduations (MPN 11MH-300). Key specifications — attr1182179: Square; attr1182186: 1 mm; attr1182189: Brushed; attr1182159: STARRETT; attr1182169: Cast Iron.
STARRETT Dial Indicator Set: 0 in to 0.025 in/0 in to 0.125 in/0 in to 1 in, Inch, Plunger (MPN S253Z). Key specifications — attr1184168: S253Z; attr1184178: 0-5-0; 0-25-0; 0-100; attr1184223: STARRETT; attr1200883: Dial Indicator Set; attr1184173: AGD 2; attr1184177: 0.0001 in.
STARRETT
STARRETT Dial Indicator Set: 0 in to 0.025 in/0 in to 0.125 in/0 in to 1 in, Inch, Plunger (MPN S253Z). Key specifications — attr1184168: S253Z; attr1184178: 0-5-0; 0-25-0; 0-100; attr1184223: STARRETT; attr1200883: Dial Indicator Set; attr1184173: AGD 2; attr1184177: 0.0001 in.
STARRETT Combination Square: SAE, Steel, Satin, 24 in Blade Lg, 1/64 in Graduations (MPN C11H-24-4R). Key specifications — attr1182179: Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Cast Iron.
STARRETT
STARRETT Combination Square: SAE, Steel, Satin, 24 in Blade Lg, 1/64 in Graduations (MPN C11H-24-4R). Key specifications — attr1182179: Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Cast Iron.
STARRETT
STARRETT
STARRETT Micrometer: 123/125 in to 1 121/125 in /25 mm to 50 mm, Inch/Metric (MPN 3732.1XFL-2). Key specifications — attr1182744: 0.00005 in/0.001 mm; attr1182751: Certificate of Inspection; attr1182776: Not Rated; attr1182741: STARRETT; attr1182743: +/- 0.00015 in; attr1182759: No.
STARRETT
STARRETT
STARRETT Micrometer: 4 in to 5 in /101 mm to 127 mm, Inch/Metric, 0.00005 in/0.001 mm Resolution (MPN 3732.1XFL-5). Key specifications — attr1182744: 0.00005 in/0.001 mm; attr1182751: Certificate of Inspection; attr1182776: Not Rated; attr1182741: STARRETT; attr1182743: +/- 0.004 mm; attr1182759: No.

More from STARRETT

View all STARRETT parts →
STARRETT Spindle Square: 0 in to 0.25 in, 0-50-0 Dial Reading, 0.001 in Graduations, Inch (MPN 649-1). Key specifications — attr1181397: STARRETT; attr1181402: 0-50-0.
STARRETT
STARRETT Spindle Square: 0 in to 0.25 in, 0-50-0 Dial Reading, 0.001 in Graduations, Inch (MPN 649-1). Key specifications — attr1181397: STARRETT; attr1181402: 0-50-0.