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CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer (MPN 330143) - General Purpose Spiral-Point Taps
CHICAGO-LATROBEGeneral Purpose Spiral-Point Taps

CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer (MPN 330143)

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

SKU 3G-OTH-214608

Brand
CHICAGO-LATROBE
Item
Spiral Point Tap: 1/4"-20 UNC, H1 / 2B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
330143

Technical Documents

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

Product Description

CHICAGO-LATROBE General Purpose Spiral-Point Taps.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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, wood, or plastic. Its spiral-point design pushes chips forward, preventing clogging and enabling faster, cleaner threading in production and maintenance applications.

What are the specifications of the CHICAGO-LATROBE 330143 tap?

The CHICAGO-LATROBE 330143 is a general-purpose spiral-point tap with 1/4"-20 UNC thread, H1/2B class fit, 2 flutes, and a plug chamfer. It is designed for through-hole threading and is made by CHICAGO-LATROBE.

Where to buy CHICAGO-LATROBE taps worldwide?

You can source CHICAGO-LATROBE taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select a spiral point tap based on thread size (e.g., 1/4"-20 UNC), material, and hole type (through-hole). For through-holes, spiral point taps push chips forward. Match the chamfer type (plug, bottoming, or taper) to the hole depth and thread class (e.g., H1/2B).

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.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient production threading. It features a 1/4"-20 UNC thread size, H3 / 2B tolerance, 3 flutes, and a plug chamfer
CHICAGO-LATROBE
This spiral-point tap is designed for through-hole threading in ferrous and non-ferrous materials. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient production threading. It features a 1/4"-20 UNC thread size, H3 / 2B tolerance, 3 flutes, and a plug chamfer
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330109)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330109)
Spiral-point tap designed for through-hole threading in metal. The spiral-point geometry pushes chips forward, reducing chip congestion. Suitable for production tapping in steel, aluminum, and cast iron. Thread size 1/2"-20 UNF with H3 / 2B tolerance, 3 flutes, and plug chamfer
CHICAGO-LATROBE
Spiral-point tap designed for through-hole threading in metal. The spiral-point geometry pushes chips forward, reducing chip congestion. Suitable for production tapping in steel, aluminum, and cast iron. Thread size 1/2"-20 UNF with H3 / 2B tolerance, 3 flutes, and plug chamfer
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330125)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/2"-20 UNF, H3 / 2B, 3 Flute, Plug Chamfer (MPN 330125)
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 5/16"-18 UNC, H2 / 2B, 2 Flute, Plug Chamfer (MPN 330144)
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330110)
CHICAGO-LATROBE
CHICAGO-LATROBE Spiral Point Tap: 1/4"-20 UNC, H3 / 2B, 2 Flute, Plug Chamfer (MPN 330110)

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General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Size #12-24 UNC with H3/2B thread tolerance, 2 flutes, and plug chamfer. Designed for efficient chip evacuation in manufacturing and maintenance applications
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General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Size #12-24 UNC with H3/2B thread tolerance, 2 flutes, and plug chamfer. Designed for efficient chip evacuation in manufacturing and maintenance applications
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This spiral-point tap is designed for through-hole threading in production environments. Its geometry pushes chips ahead, preventing clogging and enabling faster tapping in materials such as steel, aluminum, and cast iron. Size: 3/4"-10 UNC, H3 limit, 2B class of fit, 3 flutes, plug chamfer. Manufacturer part number: 330167
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This spiral-point tap is designed for threading through holes in metal, steel, and alloys. The spiral-point geometry pushes chips forward to prevent clogging during operation. Made from high-speed steel with a plug chamfer and 3 flutes, it produces clean threads in production environments
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This spiral-point tap is designed for threading through-holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, preventing clogging in blind holes. Suitable for general manufacturing applications requiring precise 1/4"-20 UNC threads. Made of high-speed steel with a plug chamfer and 2-flute configuration
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This spiral-point tap is designed for through-hole threading in production environments. The spiral-point geometry pushes chips forward, reducing clogging and enabling efficient tapping in materials such as steel, aluminum, and cast iron. Made from high-speed steel with a plug chamfer and 3-flute design, it is suitable for general-purpose threading operations
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