We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
WIDIA GTD 1/4"-28 UNF Three-Piece Hand Tap Set, 2B, HSS, 4 Flute - Three-Piece Hand Tap Sets
WIDIA GTDThree-Piece Hand Tap Sets

WIDIA GTD 1/4"-28 UNF Three-Piece Hand Tap Set, 2B, HSS, 4 Flute

WIDIA GTD Three-Piece Hand Tap Sets.

SKU 3G-OTH-319603

Brand
WIDIA GTD
Item
1/4"-28 UNF Three-Piece Hand Tap Set, 2B, HSS, 4 Flute
Category
Three-Piece Hand Tap Sets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WIDIA GTD
Manufacturer Part Number
11603

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 11603 used for?

The WIDIA GTD Tap Kit 11603 is used for hand threading 1/4"-28 UNF internal threads in metal parts. It is commonly applied in maintenance, repair, and production environments where precise 2B class threads are required in steel, aluminum, and other machinable materials.

What are the specifications of the WIDIA GTD Tap Kit 11603?

This three-piece hand tap set includes one each of taper (4GR12), plug (4GR13), and bottoming (4GR14) taps. It is made from high speed steel with a 4-flute design, sized 1/4"-28 UNF, 2B thread class. The manufacturer part number is 11603.

Where to buy the WIDIA GTD Tap Kit 11603 worldwide?

You can source the WIDIA GTD Tap Kit 11603 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct WIDIA GTD tap for a threading job?

Select the tap based on thread size, pitch, and material. For through holes, use the taper tap (4GR12); for blind holes, start with the plug tap (4GR13) and finish with the bottoming tap (4GR14). Always match the tap to the required thread class, such as 2B for this kit.

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-piece hand tap set for creating 3/8"-24 UNF internal threads in metal. Includes taper, plug, and bottoming taps for through-hole and blind-hole threading. High-speed steel construction with four flutes for chip evacuation. Suitable for maintenance, repair, and production applications
WIDIA GTD
Three-piece hand tap set for creating 3/8"-24 UNF internal threads in metal. Includes taper, plug, and bottoming taps for through-hole and blind-hole threading. High-speed steel construction with four flutes for chip evacuation. Suitable for maintenance, repair, and production applications
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive cutting of 5/16"-24 UNF internal threads. Each tap is made of high-speed steel with 4 flutes, producing a Class 2B thread fit. Suitable for manual threading operations in metal components
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive cutting of 5/16"-24 UNF internal threads. Each tap is made of high-speed steel with 4 flutes, producing a Class 2B thread fit. Suitable for manual threading operations in metal components
Three-piece hand tap set for cutting internal threads in metal. Includes taper, plug, and bottoming taps for progressive threading. Taps are 4-flute, high-speed steel, 3/8"-16 UNC, 2B class fit. Suitable for maintenance, repair, and production applications
WIDIA GTD
Three-piece hand tap set for cutting internal threads in metal. Includes taper, plug, and bottoming taps for progressive threading. Taps are 4-flute, high-speed steel, 3/8"-16 UNC, 2B class fit. Suitable for maintenance, repair, and production applications
This three-piece hand tap set includes taper, plug, and bottoming taps for threading 1/4"-20 UNC holes. Each tap is made of high-speed steel with a 4-flute design and 2B class fit. Suitable for creating internal threads in metal workpieces
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for threading 1/4"-20 UNC holes. Each tap is made of high-speed steel with a 4-flute design and 2B class fit. Suitable for creating internal threads in metal workpieces
This three-piece hand tap set includes taper, plug, and bottoming taps for hand threading 1/2"-13 UNC holes. Each tap is made from high-speed steel with 4 flutes and a 2B class fit. Suitable for starting, intermediate, and blind-hole threading in metal
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for hand threading 1/2"-13 UNC holes. Each tap is made from high-speed steel with 4 flutes and a 2B class fit. Suitable for starting, intermediate, and blind-hole threading in metal
Three-piece hand tap set for creating 3/4"-16 UNF internal threads to a 2B class fit. Includes taper, plug, and bottoming taps, each with 4 flutes and made from high-speed steel. Suitable for hand threading operations in metal parts
WIDIA GTD
Three-piece hand tap set for creating 3/4"-16 UNF internal threads to a 2B class fit. Includes taper, plug, and bottoming taps, each with 4 flutes and made from high-speed steel. Suitable for hand threading operations in metal parts

More from WIDIA GTD

View all WIDIA GTD parts →
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNC threads. Each tap is 3/4"-10 UNC, 2B class fit, 4 flute, made of high-speed steel. Suitable for hand threading in ferrous and non-ferrous materials for through holes and blind holes
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNC threads. Each tap is 3/4"-10 UNC, 2B class fit, 4 flute, made of high-speed steel. Suitable for hand threading in ferrous and non-ferrous materials for through holes and blind holes
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive internal threading. Each tap features a 4-flute design, H4 tolerance, and is made from high-speed steel. Suitable for hand threading operations in metal components
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive internal threading. Each tap features a 4-flute design, H4 tolerance, and is made from high-speed steel. Suitable for hand threading operations in metal components
Three-piece hand tap set for cutting internal UNC threads in metal. Includes taper, plug, and bottoming taps for starting, intermediate, and blind-hole threading. Thread size 9/16"-12 UNC, H3 tolerance, 4 flutes, high-speed steel construction
WIDIA GTD
Three-piece hand tap set for cutting internal UNC threads in metal. Includes taper, plug, and bottoming taps for starting, intermediate, and blind-hole threading. Thread size 9/16"-12 UNC, H3 tolerance, 4 flutes, high-speed steel construction
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNF threads in metal components. Each tap has 4 flutes and is made from high-speed steel. Thread size is 9/16"-18 UNF, class 2B. Suitable for through-holes and blind holes in machining and general manufacturing applications
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal UNF threads in metal components. Each tap has 4 flutes and is made from high-speed steel. Thread size is 9/16"-18 UNF, class 2B. Suitable for through-holes and blind holes in machining and general manufacturing applications
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive threading in through-holes and blind holes. Thread size is 1/2"-20 UNF, class 2B, with 4 flutes, made from high-speed steel. Suitable for cutting internal UNF threads in metal components
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive threading in through-holes and blind holes. Thread size is 1/2"-20 UNF, class 2B, with 4 flutes, made from high-speed steel. Suitable for cutting internal UNF threads in metal components
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal components. Designed for 1 1/4"-7 UNC threads with H4 tolerance and 4 flutes, the set is suitable for progressive threading in through-holes and blind holes
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for cutting internal threads in metal components. Designed for 1 1/4"-7 UNC threads with H4 tolerance and 4 flutes, the set is suitable for progressive threading in through-holes and blind holes
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive threading of #10-32 UNF internal threads. The taps are made from high speed steel with a 4 flute design and H2 tolerance. Suitable for creating threads in through holes or blind holes in metal parts during machining and maintenance operations
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for progressive threading of #10-32 UNF internal threads. The taps are made from high speed steel with a 4 flute design and H2 tolerance. Suitable for creating threads in through holes or blind holes in metal parts during machining and maintenance operations
This three-piece hand tap set includes taper, plug, and bottoming taps for threading 1 1/2"-6 UNC internal threads to a 2B class fit. Each tap is made from high speed steel with a 4 flute design, suitable for manual threading operations in maintenance, repair, and production work on ferrous and non-ferrous materials
WIDIA GTD
This three-piece hand tap set includes taper, plug, and bottoming taps for threading 1 1/2"-6 UNC internal threads to a 2B class fit. Each tap is made from high speed steel with a 4 flute design, suitable for manual threading operations in maintenance, repair, and production work on ferrous and non-ferrous materials