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WIDIA GTD Spiral Flute Tap: 7/16"-20 UNF, H3 / 3B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
WIDIA GTDGeneral Purpose Spiral-Flute Taps

WIDIA GTD Spiral Flute Tap: 7/16"-20 UNF, H3 / 3B, 3 Flute, Bottoming Chamfer

The WIDIA GTD Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with an H3 / 3B tolerance, bottoming chamfer, and black oxide cobalt finish. It features 3 flutes and is identified by manufacturer part number…

SKU 3G-OTH-231193

Also listed as: VTSFT 5161 · VTSFT-5161

Brand
WIDIA GTD
Item
Spiral Flute Tap: 7/16"-20 UNF, H3 / 3B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WIDIA GTD
Manufacturer Part Number
VTSFT5161
Type
H3 / 3B, Bottoming Chamfer, Black Oxide Cobalt
Flute
3

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

Product Description

The WIDIA GTD Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with an H3 / 3B tolerance, bottoming chamfer, and black oxide cobalt finish. It features 3 flutes and is identified by manufacturer part number VTSFT5161.

Frequently Asked Questions

What is the WIDIA GTD spiral flute tap used for?

The WIDIA GTD spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, making it ideal for bottoming applications where chip clearance is critical. Common uses include automotive, aerospace, and general manufacturing.

What are the specifications of the WIDIA GTD spiral flute tap?

This tap has a 7/16"-20 UNF thread size, H3 / 3B class of fit, 3 flutes, and a bottoming chamfer. It is made from black oxide cobalt steel. The manufacturer part number is VTSFT5161. It is suitable for threading blind holes in various materials.

Where to buy WIDIA GTD spiral flute taps worldwide?

You can source WIDIA GTD spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other WIDIA GTD tooling.

How to select the right WIDIA GTD tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like the WIDIA GTD VTSFT5161. Ensure the thread size (7/16"-20 UNF) and class of fit (H3 / 3B) match your requirements. Cobalt steel with black oxide coating provides durability in harder materials. Always verify material compatibility.

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 general purpose spiral-flute taps. 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
WIDIA GTD Spiral Flute Tap: 1/2"-20 UNF, H3 / 3B, 3 Flute, Bottoming Chamfer, Black Oxide Cobalt (MPN VTSFT5165)
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WIDIA GTD Spiral Flute Tap: 5/16"-18 UNC, H3 / 3B, 3 Flute, Bottoming Chamfer, Black Oxide Cobalt (MPN VTSFT5150)

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