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

WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia - Fast-Cutting Carbide Corner-Chamfer End Mills for Steel & Cast Iron
WIDIAFast-Cutting Carbide Corner-Chamfer End Mills for Steel & Cast Iron

WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia

The WIDIA Corner Chamfer End Mill is a fast-cutting carbide end mill for steel and cast iron, featuring a TiAlN coating, 4 flutes, a 5/16" mill diameter, and a 1-1/4" length of cut (MPN W421E08024CYT WU20PE). 3G…

SKU 3G-OTH-243566

Also listed as: W421E08024CYTWU20PE · W421E08024CYT-WU20PE

Brand
WIDIA
Item
Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia
Category
Fast-Cutting Carbide Corner-Chamfer End Mills for Steel & Cast Iron
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
Manufacturer Part Number
W421E08024CYT WU20PE
Type
TiAlN Coated
Mill Dia
5/16"
Flute
4
LOC
1-1/4"

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

Product Description

The WIDIA Corner Chamfer End Mill is a fast-cutting carbide end mill for steel and cast iron, featuring a TiAlN coating, 4 flutes, a 5/16" mill diameter, and a 1-1/4" length of cut (MPN W421E08024CYT WU20PE). 3G Electric sources this genuine industrial tool across 14 departments—and far more—with specialist depth in combustion, pumps, and controls as an authorized distributor, ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the WIDIA Corner Chamfer End Mill used for?

The WIDIA Corner Chamfer End Mill is designed for fast cutting of steel and cast iron. It creates chamfered edges and corner profiles on workpieces, commonly used in mold making, die manufacturing, and general machining operations where precise edge finishing is required.

What are the specifications of the WIDIA Corner Chamfer End Mill?

This WIDIA end mill is made of carbide with a TiAlN coating, has 4 flutes, a 5/16" mill diameter, and a 1-1/4" length of cut. The manufacturer part number is W421E08024CYT WU20PE. It is optimized for steel and cast iron applications.

Where to buy WIDIA Corner Chamfer End Mills worldwide?

You can source the WIDIA Corner Chamfer End Mill 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 on this item.

How to select the right WIDIA Corner Chamfer End Mill for steel?

Select based on material hardness and required chamfer angle. For steel and cast iron, the TiAlN-coated carbide WIDIA end mill with 4 flutes provides good wear resistance and chip evacuation. Ensure the mill diameter and length of cut match your workpiece geometry and machine spindle capacity.

Used in

Common applications for WIDIA
General turning of steel components — WIDIA DCMT diamond turning inserts (e.g., DCMT3251MP)
Grooving and parting in automotive parts manufacturing — WIDIA WMTCL indexable grooving toolholders
Finishing operations on aluminum alloys — WIDIA VNMG diamond turning inserts (e.g., VNMG331ML)
Heavy-duty turning of stainless steel — WIDIA DNMG carbide inserts with MS chipbreaker (e.g., DNMG433MS)
Threading and contouring in mold making — WIDIA TCMT triangle turning inserts (e.g., TCMT3252MP)
Parting-off operations in high-volume production — WIDIA WGMEL grooving and parting toolholders

WIDIA Products

3G Electric supplies WIDIA fast-cutting carbide corner-chamfer end mills for steel & cast iron. 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
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 7/16" Mill Dia, 2" LOC, 0.02" Chf (MPN W421E1102DCTT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 7/16" Mill Dia, 2" LOC, 0.02" Chf (MPN W421E1102DCTT WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia, 1/2" LOC, 0.016" Chf (MPN W401E08004CYT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia, 1/2" LOC, 0.016" Chf (MPN W401E08004CYT WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1" Mill Dia, 3" LOC, 0.02" Chf (MPN W421E2502ACTW WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1" Mill Dia, 3" LOC, 0.02" Chf (MPN W421E2502ACTW WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/2" Mill Dia, 1-1/2" LOC, 0.02" Chf (MPN W421E13026CTW WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/2" Mill Dia, 1-1/2" LOC, 0.02" Chf (MPN W421E13026CTW WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/4" Mill Dia, 3/8" LOC, 0.016" Chf (MPN W401E07003CYT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/4" Mill Dia, 3/8" LOC, 0.016" Chf (MPN W401E07003CYT WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/4" Mill Dia, 7/8" LOC, 0.02" Chf (MPN W401E19009CTW WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/4" Mill Dia, 7/8" LOC, 0.02" Chf (MPN W401E19009CTW WU20PE)

More from WIDIA

View all WIDIA parts
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 12 mm Mill Dia, 26 mm LOC, 0.5 mm Chf (MPN 7008716)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 12 mm Mill Dia, 26 mm LOC, 0.5 mm Chf (MPN 7008716)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 6 mm Mill Dia, 13 mm LOC, 0.4 mm Chf (MPN 7006958)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 6 mm Mill Dia, 13 mm LOC, 0.4 mm Chf (MPN 7006958)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/8" Mill Dia, 1-1/4" LOC, 0.02" Chf (MPN W411E16018CTW WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 5/8" Mill Dia, 1-1/4" LOC, 0.02" Chf (MPN W411E16018CTW WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/4" Mill Dia, 3/4" LOC, 0.016" Chf (MPN W411E07013CYT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/4" Mill Dia, 3/4" LOC, 0.016" Chf (MPN W411E07013CYT WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 10 mm Mill Dia, 22 mm LOC, 0.5 mm Chf (MPN 7007605)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 5 Flute, 10 mm Mill Dia, 22 mm LOC, 0.5 mm Chf (MPN 7007605)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/8" Mill Dia, 1-1/2" LOC, 0.02" Chf (MPN W421E10025CTT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/8" Mill Dia, 1-1/2" LOC, 0.02" Chf (MPN W421E10025CTT WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/2" Mill Dia, 2" LOC, 0.02" Chf (MPN W431E13036CTW WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 1/2" Mill Dia, 2" LOC, 0.02" Chf (MPN W431E13036CTW WU20PE)
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/16" Mill Dia, 5/8" LOC, 0.01" Chf (MPN W411E05011CHT WU20PE)
WIDIA
WIDIA Corner Chamfer End Mill: Carbide, TiAlN Coated, 4 Flute, 3/16" Mill Dia, 5/8" LOC, 0.01" Chf (MPN W411E05011CHT WU20PE)