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CHICAGO-LATROBE Tap Kit: 9/16"-18 UNF, H3 / 3B, 4 Flute - Three-Piece Hand Tap Sets
CHICAGO-LATROBEThree-Piece Hand Tap Sets

CHICAGO-LATROBE Tap Kit: 9/16"-18 UNF, H3 / 3B, 4 Flute

SKU 3G-OTH-319696

Brand
CHICAGO-LATROBE
Item
Tap Kit: 9/16"-18 UNF, H3 / 3B, 4 Flute
Category
Three-Piece Hand Tap Sets
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
342654
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the CHICAGO-LATROBE 342654 tap kit used for?

This three-piece hand tap set is used for cutting internal UNF threads in metal. It includes taper, plug, and bottoming taps for starting, continuing, and finishing threads to the bottom of a blind hole. Common applications include automotive, aerospace, and general machining where 9/16"-18 UNF threads are required.

What are the specifications of the CHICAGO-LATROBE 342654 tap kit?

The kit contains three high-speed steel taps: one each taper, plug, and bottoming. Thread size is 9/16"-18 UNF with H3 limit and 3B class fit. Each tap has 4 flutes for efficient chip evacuation. The manufacturer part number is 342654.

Where to buy the CHICAGO-LATROBE 342654 tap kit worldwide?

3G Electric supplies the CHICAGO-LATROBE 342654 tap kit worldwide. As a global industrial 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 for a blind hole with this kit?

Use the bottoming tap from the CHICAGO-LATROBE kit for threading to the bottom of a blind hole. Start with the taper tap, then the plug tap, and finish with the bottoming tap. Apply cutting fluid and reverse periodically to break chips. This ensures clean threads without tap breakage.

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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