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CHICAGO-LATROBE #4-40 UNC Spiral-Point Tap, H2/2B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE #4-40 UNC Spiral-Point Tap, H2/2B, 2 Flute, Plug Chamfer

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-214437

Brand
CHICAGO-LATROBE
Item
#4-40 UNC Spiral-Point Tap, H2/2B, 2 Flute, Plug Chamfer
Part Number
330150
Category
General Purpose Spiral-Point Taps
Available to Order
Also known as:330150CHICAGO-LATROBE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330150

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

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

Frequently Asked Questions

What is the CHICAGO-LATROBE Spiral Point Tap #4-40 UNC used for?

This spiral point tap is designed for threading #4-40 UNC holes in production environments. It is commonly used in automotive, aerospace, and general manufacturing for creating internal threads in through-hole applications. The plug chamfer and H2/2B tolerance ensure consistent thread fit.

What are the specifications of the CHICAGO-LATROBE 330150 tap?

The CHICAGO-LATROBE 330150 is a #4-40 UNC spiral point tap with H2/2B thread class, 2 flutes, and a plug chamfer. It is a general purpose tap designed for through-hole threading in materials like steel and aluminum. The spiral point design pushes chips forward for efficient cutting.

Where to buy CHICAGO-LATROBE taps in worldwide?

3G Electric supplies CHICAGO-LATROBE taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 330150 spiral point tap. We source and deliver to any country.

How to select the right spiral point tap for #4-40 UNC threads?

For #4-40 UNC threads in through-holes, choose a spiral point tap like the CHICAGO-LATROBE 330150 with a plug chamfer. Ensure the tap matches the thread class (H2/2B) and material hardness. Use proper cutting fluid and speed to extend tool life. 3G Electric can advise on application-specific selection.

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 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
CHICAGO-LATROBE
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
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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