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WIDIA GTD Spiral Flute Tap: 1/4"-28 UNF, H3 / 3B, 3 Flute, Plug Chamfer - Spiral-Flute Taps for Aluminum
WIDIA GTDSpiral-Flute Taps for Aluminum

WIDIA GTD Spiral Flute Tap: 1/4"-28 UNF, H3 / 3B, 3 Flute, Plug Chamfer

The WIDIA GTD Spiral Flute Tap (1/4"-28 UNF) is a high-speed steel tap with a plug chamfer, H3 / 3B tolerance, and 3 flutes, designed for threading aluminum. 3G Electric interprets your demand for this OEM-specified…

SKU 3G-OTH-232787

Brand
WIDIA GTD
Item
Spiral Flute Tap: 1/4"-28 UNF, H3 / 3B, 3 Flute, Plug Chamfer
Category
Spiral-Flute Taps for Aluminum
Available to Order
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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

WIDIA GTD
Manufacturer Part Number
16021
Type
H3 / 3B, Plug Chamfer, High Speed Steel
Flute
3

Technical Documents

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

Product Description

The WIDIA GTD Spiral Flute Tap (1/4"-28 UNF) is a high-speed steel tap with a plug chamfer, H3 / 3B tolerance, and 3 flutes, designed for threading aluminum. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as a trust anchor.

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 the WIDIA GTD spiral flute tap used for?

The WIDIA GTD spiral flute tap is designed for threading aluminum and non-ferrous materials. Its 3-flute design and plug chamfer efficiently evacuate chips upward, making it ideal for through-hole and blind-hole applications in automotive, aerospace, and general machining.

What are the specifications of the WIDIA GTD 1/4"-28 UNF tap?

This WIDIA GTD tap has a 1/4"-28 UNF thread size, H3 / 3B tolerance, 3 flutes, plug chamfer, and is made of high-speed steel. The manufacturer part number is 16021. It is suitable for threading aluminum and soft materials with precision.

Where to buy WIDIA GTD taps in worldwide?

3G Electric supplies WIDIA GTD taps worldwide, including the 1/4"-28 UNF spiral flute tap. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other WIDIA cutting tools.

How to select the right spiral flute tap for aluminum?

For aluminum, choose a spiral flute tap with a plug chamfer and high-speed steel construction, like the WIDIA GTD 16021. The 3-flute design aids chip evacuation. Ensure thread size (e.g., 1/4"-28 UNF) and tolerance (H3 / 3B) match your application requirements.

Used in

Common applications for WIDIA GTD
Automotive manufacturing — WIDIA GTD spiral-point taps (e.g., VTSPO5099) for through-hole threading in engine blocks
Aerospace component production — WIDIA GTD TiCN-coated taps for threading stainless steel and titanium alloys
General machining job shops — WIDIA GTD hand tap sets for maintenance and repair threading of UNC/UNF fasteners
Aluminum fabrication — WIDIA GTD spiral-flute taps for aluminum (e.g., MPN 16058) for blind-hole threading in heat sinks
Hydraulic system assembly — WIDIA GTD thread-forming taps (e.g., MPN 19862) for cold-forming threads in ductile materials
Oil and gas equipment — WIDIA GTD cobalt spiral-flute taps (e.g., VTSFT5170) for threading high-strength steel components

WIDIA GTD Products

3G Electric supplies WIDIA GTD spiral-flute taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Spiral-flute tap designed for threading blind holes in aluminum and non-ferrous materials. Features a plug chamfer and 3-flute design to evacuate chips upward, reducing clogging. Made from high-speed steel with H3 / 3B tolerance. Suitable for general machining applications requiring precision threads
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Spiral-flute tap designed for threading blind holes in aluminum and non-ferrous materials. Features a plug chamfer and 3-flute design to evacuate chips upward, reducing clogging. Made from high-speed steel with H3 / 3B tolerance. Suitable for general machining applications requiring precision threads
High-speed steel spiral-flute tap with H3 / 3B tolerance, 2 flutes, and plug chamfer. Designed for threading aluminum and non-ferrous materials in through-hole applications where chip evacuation is required
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High-speed steel spiral-flute tap with H3 / 3B tolerance, 2 flutes, and plug chamfer. Designed for threading aluminum and non-ferrous materials in through-hole applications where chip evacuation is required
WIDIA GTD Spiral Flute Tap: #4-40 UNC, H2 / 3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 16003)
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High-speed steel spiral-flute tap with #8-32 UNC thread, H3 / 3B tolerance, plug chamfer, and 3 flutes. Designed for threading blind holes in aluminum and non-ferrous materials; the spiral flute evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring precise UNC threads
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