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CHICAGO-LATROBE #4-40 UNC General Purpose Spiral-Point Tap - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE #4-40 UNC General Purpose Spiral-Point Tap

The CHICAGO-LATROBE Spiral Point Tap is a #4-40 UNC General Purpose Spiral-Point Tap, Type H2 / 2B with a Plug Chamfer, made of High Speed Steel and featuring 2 flutes (MPN 356324). 3G Electric interprets demand and…

SKU 3G-OTH-214042

Brand
CHICAGO-LATROBE
Item
#4-40 UNC General Purpose Spiral-Point Tap
Part Number
356324
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:356324CHICAGO-LATROBE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
356324
Type
H2 / 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 is a #4-40 UNC General Purpose Spiral-Point Tap, Type H2 / 2B with a Plug Chamfer, made of High Speed Steel and featuring 2 flutes (MPN 356324). 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

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

A CHICAGO-LATROBE spiral point tap is used for threading blind holes in production machining. Its spiral point design pushes chips forward, preventing clogging and enabling faster tapping in steel, aluminum, and other materials across industrial manufacturing.

What are the specifications of the CHICAGO-LATROBE #4-40 UNC tap?

This CHICAGO-LATROBE tap is #4-40 UNC, H2 / 2B class fit, with 2 flutes and a plug chamfer. It is made of high speed steel (HSS) and has manufacturer part number 356324. It is designed for general purpose threading in ferrous and non-ferrous materials.

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, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this #4-40 UNC spiral point tap.

How to select the right spiral point tap for threading?

Select a spiral point tap based on thread size, material, and hole type. For blind holes, spiral point taps push chips forward. Match the tap's H limit (e.g., H2) and class fit (e.g., 2B) to your thread tolerance. CHICAGO-LATROBE taps suit general purpose applications in steel and aluminum.

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.
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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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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
CHICAGO-LATROBE
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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