STARRETT Precision Steel Square: 90° Angle, Stainless Steel
The STARRETT Precision Steel Square (MPN S3020Z) is a machinist precision steel square set made of stainless steel. It includes four squares with sizes of 2-31/32 x 1-31/32 in, 3-31/32 x 2-31/32 in, 5-29/32 x 3-29/32…
SKU 3G-OTH-292706
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Product Description
The STARRETT Precision Steel Square (MPN S3020Z) is a machinist precision steel square set made of stainless steel. It includes four squares with sizes of 2-31/32 x 1-31/32 in, 3-31/32 x 2-31/32 in, 5-29/32 x 3-29/32 in, and 12-1/32 x 6-7/8 in, offering a squareness of 0.0002. The set comes in a plastic case.
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 Precision Steel Square used for?
The STARRETT Precision Steel Square is used by machinists and toolmakers to check and set 90° angles with high accuracy. It is essential for layout work, machine setup, and quality inspection in metalworking and manufacturing industries where squareness tolerance of 0.0002 is required.
What are the specifications of the STARRETT Precision Steel Square S3020Z?
The STARRETT S3020Z is a set of four stainless steel squares with sizes 2-31/32 x 1-31/32 in, 3-31/32 x 2-31/32 in, 5-29/32 x 3-29/32 in, and 12-1/32 x 6-7/8 in. It offers 0.0002 squareness and comes in a plastic case. The brand is STARRETT.
Where to buy STARRETT Precision Steel Square in worldwide?
You can source the STARRETT Precision Steel Square S3020Z through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.
How to maintain a STARRETT Precision Steel Square?
To maintain accuracy, keep the STARRETT square clean and dry after use. Apply a light rust-preventive oil to the stainless steel surfaces. Store it in the provided plastic case to avoid nicks or deformation. Regularly check squareness with a calibrated reference to ensure 0.0002 tolerance.
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3G Electric supplies STARRETT machinist precision steel square sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







