CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE 3/8"-16 UNC General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap (MPN 357520) is a general purpose spiral-point tap with a 3/8"-16 UNC thread size. It features an H3 / 2B tolerance, plug chamfer, 3 flutes, and is made of high speed steel.

SKU 3G-OTH-214190

Brand

CHICAGO-LATROBE

Item

3/8"-16 UNC General Purpose Spiral-Point Tap

Part Number

357520

Local availability & support

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

Technical Specifications

CHICAGO-LATROBE

Manufacturer Part Number

357520

Type

H3 / 2B, Plug Chamfer, High Speed Steel 

Flute

3

Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

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

A CHICAGO-LATROBE spiral point tap is used for threading through-holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, preventing clogging and enabling faster, cleaner threading in production environments.

What are the specifications of the CHICAGO-LATROBE 357520 tap?

The CHICAGO-LATROBE 357520 is a 3/8"-16 UNC spiral point tap with H3 / 2B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is designed for general-purpose threading of through-holes.

Where to buy CHICAGO-LATROBE taps in worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead times on this and other industrial tooling.

How to select the correct CHICAGO-LATROBE tap for a job?

Select a CHICAGO-LATROBE tap by matching thread size (e.g., 3/8"-16 UNC), chamfer type (plug for through-holes), and material compatibility. For steel, use high-speed steel taps. Always verify hole depth and tolerance class (H3/2B) for fit.

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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