CHICAGO-LATROBELow-Shear Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer

SKU 3G-OTH-217686

Brand

CHICAGO-LATROBE

Item

Spiral Point Tap: #12-24 UNC, H3 / 2B, 2 Flute, Plug Chamfer

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

330181

Type

H3 / 2B, Plug Chamfer, High Speed Steel 

Flute

2

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Technical Documents

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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 assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.

Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.

Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.

Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.

Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.

General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

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.

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