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WIDIA GTD Three-Piece Hand Tap Set #4-40 UNC, H2, 3-Flute, High-Speed Steel - Three-Piece Hand Tap Sets
WIDIA GTDThree-Piece Hand Tap Sets

WIDIA GTD Three-Piece Hand Tap Set #4-40 UNC, H2, 3-Flute, High-Speed Steel

WIDIA GTD Three-Piece Hand Tap Sets.

SKU 3G-OTH-319888

Brand
WIDIA GTD
Item
Three-Piece Hand Tap Set #4-40 UNC, H2, 3-Flute, High-Speed Steel
Part Number
15187
Category
Three-Piece Hand Tap Sets
Available to Order
Also known as:15187WIDIA GTD
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Technical Specifications

WIDIA GTD
Manufacturer Part Number
15187

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WIDIA GTD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

WIDIA GTD Three-Piece Hand Tap Sets.

Frequently Asked Questions

What is the WIDIA GTD Tap Kit #4-40 UNC used for?

This three-piece hand tap set is used for creating #4-40 UNC internal threads in metal. It includes taper, plug, and bottoming taps for starting, intermediate, and blind-hole threading. Common in automotive, aerospace, and general machining applications.

What are the specifications of the WIDIA GTD Tap Kit 15187?

The kit includes one each taper (4AHL3), plug (4AHL4), and bottoming (4AHL5) tap. All are #4-40 UNC, H2 tolerance, 3-flute, high-speed steel. The manufacturer part number is 15187. WIDIA GTD designs these for precise hand threading in ferrous materials.

Where to buy WIDIA GTD Tap Kit 15187 worldwide?

3G Electric supplies the WIDIA GTD Tap Kit 15187 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time. We source and deliver this three-piece hand tap set globally.

How to select the correct WIDIA GTD tap for a blind hole?

For blind holes, use the bottoming tap (4AHL5) from this WIDIA GTD kit. Start with the taper tap (4AHL3) to begin threads, then the plug tap (4AHL4), and finish with the bottoming tap to thread close to the hole bottom. Always use cutting fluid and align the tap perpendicular to the workpiece.

Used in

Common applications for WIDIA GTD
Automotive repair — WIDIA GTD hand taps (e.g., M14x2) for rethreading aluminum engine components and transmission housings.
Aerospace maintenance — WIDIA GTD straight flute taps for threading non-ferrous airframe parts during repair and overhaul.
General engineering — WIDIA GTD M6x1 and M8x1.25 hand taps for creating metric threads in aluminum fixtures and jigs.
Energy sector — WIDIA GTD M18x1.5 taps for threading aluminum valve bodies and manifolds in pneumatic systems.
Appliance manufacturing — WIDIA GTD M12x1.75 taps for producing threaded holes in aluminum casings and frames.
Bicycle frame building — WIDIA GTD M16x2 taps for threading bottom bracket shells and other aluminum frame components.
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WIDIA GTD Products

3G Electric supplies WIDIA GTD 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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