EXW Singapore — collect or forward from our Singapore office.

3G Electric
CHICAGO-LATROBE #12-24 UNC Low-Shear Spiral-Point Tap - Low-Shear Spiral-Point Taps
CHICAGO-LATROBELow-Shear Spiral-Point Taps

CHICAGO-LATROBE #12-24 UNC Low-Shear Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap is a #12-24 UNC low-shear spiral-point tap, type H3 / 2B with a plug chamfer, made of high-speed steel and featuring 2 flutes (MPN 330181). 3G Electric interprets demand and…

SKU 3G-OTH-217686

Brand
CHICAGO-LATROBE
Item
#12-24 UNC Low-Shear Spiral-Point Tap
Part Number
330181
Category
Low-Shear Spiral-Point Taps
Available to Order
Also known as:330181CHICAGO-LATROBE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330181
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Spiral Point Tap is a #12-24 UNC low-shear spiral-point tap, type H3 / 2B with a plug chamfer, made of high-speed steel and featuring 2 flutes (MPN 330181). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments—and far more—with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap #12-24 UNC used for?

This tap is used for threading #12-24 UNC holes in production and maintenance applications. Its spiral-point design pushes chips forward, making it ideal for through-hole threading in steel, aluminum, and other materials. It is commonly used in automotive, aerospace, and general manufacturing.

What are the specifications of the CHICAGO-LATROBE Spiral Point Tap 330181?

The CHICAGO-LATROBE Spiral Point Tap has a #12-24 UNC thread size, H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and is designed for low-shear, efficient chip evacuation in through-hole applications. The manufacturer part number is 330181.

Where to buy CHICAGO-LATROBE taps in worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on this and other cutting tools.

How to select the right spiral point tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this CHICAGO-LATROBE model. It pushes chips forward, preventing clogging. Match the tap size (#12-24 UNC), thread class (2B), and chamfer (plug) to your hole requirements. Use proper cutting fluid and speed for the material being threaded.

Used in

Common applications for CHICAGO-LATROBE
Aerospace manufacturing — Chicago-Latrobe NAS-spec jobber-length drill bits (e.g., MPN 42631) for drilling holes in airframe components.
Metal fabrication — Chicago-Latrobe single-flute countersinks (e.g., MPN 56774) for deburring and chamfering holes in steel plates.
Machine shop — Chicago-Latrobe 82° countersinks (e.g., MPN 56738) for creating flush-mount recesses for flat-head screws in assemblies.
Maintenance and repair — Chicago-Latrobe 90° countersinks (e.g., MPN 56760) for chamfering holes and removing burrs on industrial equipment.
Automotive production — Chicago-Latrobe HSS drill bits for holemaking in engine blocks and chassis components.
General machining — Chicago-Latrobe countersinks in various body diameters for chamfering and deburring in job shops.
Not sure this is the right part? Photo-identify it→

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE low-shear spiral-point taps. 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 →

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts →
This low-shear spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and enabling faster production tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications
CHICAGO-LATROBE
This low-shear spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point geometry pushes chips forward, reducing clogging and enabling faster production tapping in CNC and manual operations. Made from high-speed steel with a plug chamfer and 2-flute design, it is suitable for general machining applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first