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CHICAGO-LATROBE Low-Shear Spiral-Point Tap - Low-Shear Spiral-Point Taps
CHICAGO-LATROBELow-Shear Spiral-Point Taps

CHICAGO-LATROBE Low-Shear Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (SKU 330186, MPN 330186) is a low-shear spiral-point tap with a 1/4"-28 UNF thread, H3 / 2B tolerance, plug chamfer, 2 flutes, and high-speed steel construction.

SKU 3G-OTH-217696

Brand
CHICAGO-LATROBE
Item
Low-Shear Spiral-Point Tap
Part Number
330186
Category
Low-Shear Spiral-Point Taps
Available to Order
Also known as:330186CHICAGO-LATROBE
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330186
Type
H3 / 2B, Plug Chamfer, High Speed Steel
Flute
2

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 330186, MPN 330186) is a low-shear spiral-point tap with a 1/4"-28 UNF thread, H3 / 2B tolerance, plug chamfer, 2 flutes, and high-speed steel construction.

Frequently Asked Questions

What is a CHICAGO-LATROBE spiral point tap used for?

A CHICAGO-LATROBE spiral point tap is used for through-hole threading in metalworking. Its spiral-point design pushes chips ahead, reducing chip clogging and enabling faster production. It is commonly applied in automotive, aerospace, and general machining operations where clean, accurate threads are required.

What are the specifications of the CHICAGO-LATROBE 330186 tap?

The CHICAGO-LATROBE 330186 is a 1/4\"-28 UNF spiral point tap with H3 / 2B tolerance, 2 flutes, and a plug chamfer. It is made from high speed steel for durability. This tap is designed for through-hole threading in ferrous and non-ferrous materials.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 330186 spiral point tap. We source genuine industrial cutting tools across 14 departments to meet your production needs.

How to select the right spiral point tap for through holes?

Select a spiral point tap based on thread size, pitch, and material. For through holes, a plug chamfer with 2-3 threads of chamfer is typical. Ensure the tap has the correct tolerance class (e.g., H3 / 2B) for your application. CHICAGO-LATROBE taps are a reliable choice for consistent thread quality.

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.
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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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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

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