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CHICAGO-LATROBE 5/16"-18 UNC General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 5/16"-18 UNC General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (SKU 357344, MPN 357344) is a general purpose spiral-point tap with a 5/16"-18 UNC thread size. It features an H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer, designed for…

SKU 3G-OTH-214175

Brand
CHICAGO-LATROBE
Item
5/16"-18 UNC General Purpose Spiral-Point Tap
Part Number
357344
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:357344CHICAGO-LATROBE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
357344
Type
H5 / 2B-3B, Plug Chamfer
Flute
3

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

Product Description

The CHICAGO-LATROBE Spiral Point Tap (SKU 357344, MPN 357344) is a general purpose spiral-point tap with a 5/16"-18 UNC thread size. It features an H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer, designed for through-hole tapping in a range of materials.

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, preventing clogging and enabling faster, cleaner threads in production environments across machining, automotive, and general manufacturing.

What are the specifications of the CHICAGO-LATROBE 357344 tap?

The CHICAGO-LATROBE 357344 is a spiral point tap with size 5/16"-18 UNC, H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose threading in through holes, delivering consistent thread quality in steel and cast iron.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine cutting tools like the 357344 spiral point tap to your facility, regardless of location.

How to select the right spiral point tap for a job?

Select a spiral point tap like the CHICAGO-LATROBE 357344 for through holes where chip evacuation is critical. Match the tap size, thread pitch (UNC/UNF), and chamfer type (plug, bottoming) to your material and hole depth. For blind holes, consider spiral flute taps instead.

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 general purpose 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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General purpose spiral-point tap for threading through-holes in metal. Features a spiral-point design that pushes chips forward to prevent clogging. Made from high-speed steel with a bottoming chamfer and 3 flutes. Thread size 1/2"-20 UNF, tolerance H3 / 2B
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General purpose spiral-point tap for threading through-holes in metal. Features a spiral-point design that pushes chips forward to prevent clogging. Made from high-speed steel with a bottoming chamfer and 3 flutes. Thread size 1/2"-20 UNF, tolerance H3 / 2B
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This spiral-point tap is designed for threading blind holes in production machining. The spiral point pushes chips forward, reducing clogging and enabling efficient tapping in ferrous and non-ferrous materials. Made from high speed steel with a plug chamfer and 2 flutes, it provides a H2 / 2B class fit for #4-40 UNC threads
This spiral-point tap is designed for general-purpose threading of blind or through holes in metals such as steel, aluminum, and cast iron. The spiral-point geometry pushes chips forward, reducing clogging in production environments. Made from high-speed steel with a D4 / 6H tolerance class, 2 flutes, and a plug chamfer. Manufacturer part number 360854
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This spiral-point tap is designed for general-purpose threading of blind or through holes in metals such as steel, aluminum, and cast iron. The spiral-point geometry pushes chips forward, reducing clogging in production environments. Made from high-speed steel with a D4 / 6H tolerance class, 2 flutes, and a plug chamfer. Manufacturer part number 360854

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