Tungsten Carbide 3 Flute T Slot End Mill Deep Hole Milling Cutter for Die Steel Extra Long Reach CNC Router Bit 1/4" 3/8" 1/2" Shank

Introduction:

Our premium 3-flute deep reach T-slot end mill is specifically engineered for precision machining of deep T-shaped grooves in hardened die steels (up to HRC60) and other tough alloys. Manufactured from micro-grain tungsten carbide (YG10X grade), this extra-long reach milling cutter delivers exceptional rigidity and wear resistance in demanding CNC applications. The optimized 3-flute design ensures superior chip evacuation in deep cavity work while maintaining cutting stability.

Features:

• Ultra-fine grain tungsten carbide substrate (0.4-0.6μm)

• Extra-long flute length (up to 8×D available)

• Precision ground cutting edges with ±0.008mm tolerance

• 35° helix angle for smooth chip flow in deep slots

• Special corner strengthening for improved tool life

• Available in 1/4", 3/8", and 1/2" shank sizes

• TiAlN coating option for enhanced heat resistance

Advantages:

✓ 4× longer tool life compared to HSS cutters in hardened steels

✓ Reduced vibration due to optimized flute spacing

✓ Excellent chip evacuation in deep slot applications

✓ Maintains dimensional accuracy in prolonged machining

✓ Suitable for both conventional and climb milling

Typical Applications:

• • Deep T-slot machining in die casting molds

• • Precision groove cutting in injection molds

• • Machine tool bed ways and fixtures

• • Aerospace structural component machining

• • Automotive die maintenance and repair

• • Heavy industrial equipment manufacturing

Detailed Pictures:

Our workshop:

Promotion policy:

To help you experience our premium products, we’re excited to offer the following exclusive promotions for first-time buyers:

1.Free Test Samples

Get free samples (total value ≤ $20 USD) when you cover the international shipping cost.

Perfect for evaluating our product quality and performance risk-free.

2.$50 USD Discount on First Order

New customers can enjoy a $50 discount on the first order of $500 or more.

A great way to start our partnership with extra value!

Other products:

FAQ:

1. Are you a manufacturer or trading company?

We are a professional manufacturer of carbide tools which established in 2017.

2. Which CNC grinding machine do you use?

All of our carbide tools are produced by imported WALTER grinding machines.

3. Which shipping method do you usually use?

We usually send goods by express like FedEx, UPS, DHL, TNT, EMS, ETC.

We also can send products to your shipping agent in China.