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CHICAGO-LATROBE Tap Kit: #4-40 UNC, H2 / 2B, 3 Flute - Three-Piece Hand Tap Sets
CHICAGO-LATROBEThree-Piece Hand Tap Sets

CHICAGO-LATROBE Tap Kit: #4-40 UNC, H2 / 2B, 3 Flute

CHICAGO-LATROBE Three-Piece Hand Tap Sets.

SKU 3G-OTH-319592

Brand
CHICAGO-LATROBE
Item
Tap Kit: #4-40 UNC, H2 / 2B, 3 Flute
Category
Three-Piece Hand Tap Sets
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
341623

Technical Documents

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

Product Description

CHICAGO-LATROBE Three-Piece Hand Tap Sets.

Frequently Asked Questions

What is a CHICAGO-LATROBE #4-40 UNC tap kit used for?

This three-piece hand tap set is used for creating #4-40 UNC internal threads in metal, plastic, or composite materials. It includes taper, plug, and bottoming taps for starting, continuing, and finishing threads to the bottom of a blind hole.

What are the specifications of the CHICAGO-LATROBE 341623 tap kit?

The kit includes one each taper, plug, and bottoming tap, size #4-40 UNC, with H2 / 2B thread class. Taps are high-speed steel with 3 flutes. The manufacturer part number is 341623.

Where to buy a CHICAGO-LATROBE #4-40 UNC tap kit worldwide?

3G Electric supplies and delivers the CHICAGO-LATROBE 341623 tap kit worldwide. We handle full logistics and customs clearance to ensure your order arrives at your facility, wherever you are located.

How to select the right hand tap set for #4-40 UNC threads?

For #4-40 UNC threads, choose a three-piece set with taper, plug, and bottoming taps. The taper tap starts threads easily, the plug tap continues them, and the bottoming tap finishes threads to the bottom of blind holes. CHICAGO-LATROBE offers this configuration in high-speed steel.

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 three-piece hand tap sets. 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
CHICAGO-LATROBE Tap Kit: #4-48 UNF, H2 / 2B, 3 Flute, High Speed Steel (MPN 341649)
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CHICAGO-LATROBE Tap Kit: #4-48 UNF, H2 / 2B, 3 Flute, High Speed Steel (MPN 341649)
CHICAGO-LATROBE Tap Kit: #5-40 UNC, H2 / 2B, 3 Flute, High Speed Steel (MPN 341664)
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CHICAGO-LATROBE Tap Kit: #5-40 UNC, H2 / 2B, 3 Flute, High Speed Steel (MPN 341664)
CHICAGO-LATROBE Tap Kit: #10-24 UNC, H2 / 3B, 4 Flute, High Speed Steel (MPN 341771)
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CHICAGO-LATROBE Tap Kit: #10-24 UNC, H2 / 3B, 4 Flute, High Speed Steel (MPN 341771)
CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H3 / 3B, 4 Flute, High Speed Steel (MPN 342522)
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CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H3 / 3B, 4 Flute, High Speed Steel (MPN 342522)
CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H2 / 3B, 4 Flute, High Speed Steel (MPN 342514)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H2 / 3B, 4 Flute, High Speed Steel (MPN 342514)
CHICAGO-LATROBE Tap Kit: #12-24 UNC, H3 / 2B, 4 Flute, High Speed Steel (MPN 341821)
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CHICAGO-LATROBE Tap Kit: #12-24 UNC, H3 / 2B, 4 Flute, High Speed Steel (MPN 341821)

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