We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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

STARRETT Center Head: Head, Smooth, Steel

The STARRETT Center Head (MPN C33-1224) is a machinist combination square head made of steel with a smooth finish. It is compatible with an 18-inch blade length and is identified by part numbers 11HC-12-4R and 3AEP9.

SKU 3G-OTH-204269

Brand
STARRETT
Item
Center Head: Head, Smooth, Steel
Category
Machinist Combination Square Heads
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
C33-1224
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 Center Head (MPN C33-1224) is a machinist combination square head made of steel with a smooth finish. It is compatible with an 18-inch blade length and is identified by part numbers 11HC-12-4R and 3AEP9.

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 Center Head C33-1224 used for?

The STARRETT Center Head C33-1224 is a machinist combination square head used to locate the center of round or cylindrical workpieces. It is commonly employed in metalworking, machining, and fabrication for layout and inspection tasks, ensuring accurate center-finding on shafts, rods, and pipes.

What are the specifications of the STARRETT Center Head C33-1224?

The STARRETT Center Head C33-1224 is a smooth, steel head compatible with an 18-inch blade length. It is identified by part numbers 11HC-12-4R and 3AEP9. This head is designed for use with STARRETT combination square sets and provides reliable center-finding in precision layout work.

Where to buy the STARRETT Center Head C33-1224 worldwide?

3G Electric supplies the STARRETT Center Head C33-1224 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision machinist tool.

How to install the STARRETT Center Head on a combination square?

To install the STARRETT Center Head C33-1224, slide the head onto the 18-inch blade of your combination square and tighten the locking screw securely. Ensure the head is flush against the blade edge for accurate center-finding. Always verify alignment with a test mark before critical layout work.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
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.
STARRETT
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.
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.
STARRETT
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.
STARRETT Combination Square Blade: Inch/Metric, Inches/Millimeters (MPN CB4-4R). Key specifications — attr1182138: Chrome; attr1182139: C11H-4-4R; attr1182150: Satin; attr1182140: 2ZUP7; attr1182145: Square; attr1182149: STARRETT; attr1182151: 4R; attr1182152: Inches.
STARRETT
STARRETT Combination Square Blade: Inch/Metric, Inches/Millimeters (MPN CB4-4R). Key specifications — attr1182138: Chrome; attr1182139: C11H-4-4R; attr1182150: Satin; attr1182140: 2ZUP7; attr1182145: Square; attr1182149: STARRETT; attr1182151: 4R; attr1182152: Inches.
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.
STARRETT
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.
STARRETT Combination Square Set: SAE, Steel, Satin, 6 in Blade Lg, 1/64 in Graduations (MPN C33HC-6-4R). Key specifications — attr1182179: Center/Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Steel.
STARRETT
STARRETT Combination Square Set: SAE, Steel, Satin, 6 in Blade Lg, 1/64 in Graduations (MPN C33HC-6-4R). Key specifications — attr1182179: Center/Square; attr1182186: 1/64 in; attr1182189: Satin; attr1182159: STARRETT; attr1182169: Steel.

More from STARRETT

View all STARRETT parts
STARRETT Protractor Head, Reversible: Head, Smooth, Chrome (MPN CPR-1224S). Key specifications — attr1182136: Head; attr1182139: C11H-12-4R; attr1182154: Smooth; attr1182155: Chrome; attr1182140: 2ZUR1; attr1182149: STARRETT; attr1182156: Reversible Protractor.
STARRETT
STARRETT Protractor Head, Reversible: Head, Smooth, Chrome (MPN CPR-1224S). Key specifications — attr1182136: Head; attr1182139: C11H-12-4R; attr1182154: Smooth; attr1182155: Chrome; attr1182140: 2ZUR1; attr1182149: STARRETT; attr1182156: Reversible Protractor.
STARRETT Square Head: Head, Wrinkle, Cast Iron Steel, 6 in Compatible Blade Lg (MPN H11-6). Key specifications — attr1182136: Head; attr1182139: 10H-6-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 26Y981; attr1182149: STARRETT.
STARRETT
STARRETT Square Head: Head, Wrinkle, Cast Iron Steel, 6 in Compatible Blade Lg (MPN H11-6). Key specifications — attr1182136: Head; attr1182139: 10H-6-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 26Y981; attr1182149: STARRETT.
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.
STARRETT
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.
STARRETT Square Head: Head, Wrinkle, Cast Iron Steel, 12 in Compatible Blade Lg (MPN H11-1224). Key specifications — attr1182136: Head; attr1182139: C11H-12-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 3AEP9; attr1182149: STARRETT.
STARRETT
STARRETT Square Head: Head, Wrinkle, Cast Iron Steel, 12 in Compatible Blade Lg (MPN H11-1224). Key specifications — attr1182136: Head; attr1182139: C11H-12-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 3AEP9; attr1182149: STARRETT.
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.
STARRETT
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.
STARRETT Center Head: Head, Wrinkle, Cast Iron Steel, 6 in Compatible Blade Lg (MPN C11-6). Key specifications — attr1182136: Head; attr1182139: 10H-6-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 26Z037; attr1182149: STARRETT.
STARRETT
STARRETT Center Head: Head, Wrinkle, Cast Iron Steel, 6 in Compatible Blade Lg (MPN C11-6). Key specifications — attr1182136: Head; attr1182139: 10H-6-4R; attr1182154: Wrinkle; attr1182155: Cast Iron Steel; attr1182140: 26Z037; attr1182149: STARRETT.
STARRETT Square Head: Head, Smooth, Steel, 18 in Compatible Blade Lg (MPN H33-1224). Key specifications — attr1182136: Head; attr1182139: 11H-12-4R; attr1182154: Smooth; attr1182155: Steel; attr1182140: 26Y957; attr1182149: STARRETT.
STARRETT
STARRETT Square Head: Head, Smooth, Steel, 18 in Compatible Blade Lg (MPN H33-1224). Key specifications — attr1182136: Head; attr1182139: 11H-12-4R; attr1182154: Smooth; attr1182155: Steel; attr1182140: 26Y957; attr1182149: STARRETT.