CHICAGO-LATROBEThree-Piece Hand Tap Sets

CHICAGO-LATROBE Tap Kit: 5/8"-11 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174534)

The CHICAGO-LATROBE Tap Kit (SKU 3G-OTH-319540) is a three-piece hand tap set for 5/8"-11 UNC threads. It features H3 / 3B tolerance, 4-flute design, and TiN-coated high-speed steel construction (MPN 174534).

SKU 3G-OTH-319540

Brand

CHICAGO-LATROBE

Item

Tap Kit: 5/8"-11 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel

Local availability & support

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

174534

Type

H3 / 3B, TiN Coated High Speed Steel 

Flute

4

Technical Documents

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CHICAGO-LATROBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the CHICAGO-LATROBE 174534 tap kit used for?

This three-piece hand tap set is used for creating 5/8"-11 UNC internal threads in metal. It is commonly applied in maintenance, repair, and production environments where precise threading in steel or cast iron is required. The TiN coating reduces friction and extends tool life.

What are the specifications of the CHICAGO-LATROBE 174534 tap kit?

The kit includes three taps: taper, plug, and bottoming. Each tap has a 5/8"-11 UNC thread, H3 / 3B tolerance, 4 flutes, and is made from TiN-coated high-speed steel. The manufacturer part number is 174534. It is designed for hand threading operations.

Where to buy the CHICAGO-LATROBE 174534 tap kit worldwide?

3G Electric supplies the CHICAGO-LATROBE 174534 tap kit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right tap kit for UNC threads?

For UNC threads like 5/8"-11, ensure the tap matches the thread size and pitch. A three-piece set (taper, plug, bottoming) covers most applications. TiN coating helps with harder materials. CHICAGO-LATROBE taps are a reliable choice for general metal threading tasks.

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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