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WIDIA GTD Straight Flute Tap: 7/16"-20 UNF, H5, 4 Flute, Bottoming Chamfer - General Purpose Hand Taps
WIDIA GTDGeneral Purpose Hand Taps

WIDIA GTD Straight Flute Tap: 7/16"-20 UNF, H5, 4 Flute, Bottoming Chamfer

The WIDIA GTD Straight Flute Tap (7/16"-20 UNF) is a general-purpose hand tap with an H5 tolerance, bottoming chamfer, and 4 flutes, made from high-speed steel (MPN 14257). 3G Electric interprets this demand and…

SKU 3G-OTH-221815

Brand
WIDIA GTD
Item
Straight Flute Tap: 7/16"-20 UNF, H5, 4 Flute, Bottoming Chamfer
Category
General Purpose Hand Taps
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Technical Specifications

WIDIA GTD
Manufacturer Part Number
14257
Type
H5, Bottoming Chamfer, High Speed Steel
Flute
4
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WIDIA GTD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WIDIA GTD Straight Flute Tap (7/16"-20 UNF) is a general-purpose hand tap with an H5 tolerance, bottoming chamfer, and 4 flutes, made from high-speed steel (MPN 14257). 3G Electric interprets this demand and sources the exact OEM-specified tool, supporting your machining operations across 14 industrial departments with specialist depth in cutting tools and controls.

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 a WIDIA GTD straight flute tap used for?

A WIDIA GTD straight flute tap is used for cutting internal threads in pre-drilled holes. This 7/16"-20 UNF bottoming chamfer tap is ideal for through-hole or blind-hole threading in general machining, automotive, and industrial maintenance applications.

What are the specifications of the WIDIA GTD 14257 tap?

The WIDIA GTD 14257 is a 7/16"-20 UNF straight flute tap with an H5 tolerance, 4 flutes, and a bottoming chamfer. It is made from high-speed steel and is designed for general-purpose hand tapping in ferrous and non-ferrous materials.

Where to buy WIDIA GTD taps in worldwide?

3G Electric supplies WIDIA GTD taps worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to deliver this 7/16"-20 UNF bottoming chamfer tap and other WIDIA cutting tools to your facility, regardless of location.

How to select the right tap for a blind hole?

For blind holes, choose a bottoming chamfer tap like this WIDIA GTD 14257, which has a short chamfer length to thread close to the hole bottom. Ensure the tap size matches the thread specification (7/16"-20 UNF) and that the material is suitable for high-speed steel tooling.

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 hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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