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STARRETT Square Head: Head, Smooth, Steel - Machinist Combination Square Heads
STARRETTMachinist Combination Square Heads

STARRETT Square Head: Head, Smooth, Steel

The STARRETT Square Head is a machinist combination square head, model H33-1224, featuring a smooth steel construction. It is compatible with an 18-inch blade length and is identified by part numbers 11H-12-4R and…

SKU 3G-OTH-204272

Brand
STARRETT
Item
Square Head: Head, Smooth, Steel
Category
Machinist Combination Square Heads
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Technical Specifications

STARRETT
Manufacturer Part Number
H33-1224
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STARRETT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STARRETT Square Head is a machinist combination square head, model H33-1224, featuring a smooth steel construction. It is compatible with an 18-inch blade length and is identified by part numbers 11H-12-4R and 26Y957.

Frequently Asked Questions

What is the STARRETT Square Head H33-1224 used for?

The STARRETT Square Head H33-1224 is a machinist combination square head used for precision layout, angle measurement, and squaring in metalworking and fabrication. Its smooth steel construction and compatibility with an 18-inch blade make it suitable for industrial quality control and toolroom applications.

What are the specifications of the STARRETT Square Head H33-1224?

The STARRETT Square Head H33-1224 is a smooth steel head designed for use with an 18-inch compatible blade. It carries manufacturer part numbers H33-1224, 11H-12-4R, and 26Y957. This head is part of the STARRETT machinist combination square system, known for precision and durability.

Where to buy the STARRETT Square Head H33-1224 worldwide?

You can source the STARRETT Square Head H33-1224 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 components for precision measurement needs.

How to select the correct STARRETT square head for a combination square?

To select the correct STARRETT square head, ensure the head type (smooth or hardened) matches your application and that the blade length is compatible—the H33-1224 fits an 18-inch blade. Verify part numbers like 11H-12-4R or 26Y957 against your existing square. STARRETT heads are precision-ground for accurate 90-degree and 45-degree measurements.

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 combination square heads. 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 Blade: Inch/Metric, Inches/Millimeters (MPN CB12-4R). Key specifications — attr1182138: Chrome; attr1182139: C11H-12-4R; attr1182150: Satin; attr1182140: 2ZUR1; attr1182145: Square; attr1182149: STARRETT; attr1182151: 4R; attr1182152: Inches.
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STARRETT Combination Square Blade: Inch/Metric, Inches/Millimeters (MPN CB6-4R). Key specifications — attr1182138: Chrome; attr1182139: C11H-6-4R; attr1182150: Satin; attr1182140: 2ZUP8; attr1182145: Bevel Protractor; attr1182149: STARRETT; attr1182151: 4R; attr1182152: Inches.
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STARRETT Combination Square Blade: Inch/Metric, Inches/Millimeters (MPN CB12-16R). Key specifications — attr1182138: Chrome; attr1182139: C11H-12-16R; attr1182150: Satin; attr1182145: Bevel Protractor; attr1182149: STARRETT; attr1182151: 16R; attr1182152: Inches.
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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, Satin, 4 in Blade Lg, 1/64 in Graduations (MPN C11H-4-4R). Key specifications — attr1182179: Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Cast Iron.
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STARRETT Protractor Head, Non-Reversible: Head, Wrinkle, Chrome (MPN CPNR-1224W). Key specifications — attr1182136: Head; attr1182139: C11H-12-4R; attr1182154: Wrinkle; attr1182155: Chrome; attr1182140: 3AEP9; attr1182149: STARRETT; attr1182156: Non-Reversible Protractor.
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STARRETT Center Head: Head, Wrinkle, Cast Iron Steel, 12 in Compatible Blade Lg (MPN C11-1224). Key specifications — attr1182136: Head; attr1182139: 11H-12-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 26Y957; attr1182149: STARRETT.
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