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Drill
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  3. Cutting Tools
  4. Milling Accessories
  5. End Mills
  6. Drill
  7. AUTOTOOLHOME 8PCS HSS…
AUTOTOOLHOME

AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel

AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel - main product image
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₹3,080₹4,620

You save ₹1,540 (33%)

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AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel — 0.5;0.25;0.375;0.1875;0.3125;0.125 Inch
0.5;0.25;0.375;0.1875;0.3125;0.125 Inch
₹3,080
₹4,620
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Estimated doorstep delivery by 12 Nov - 14 Nov from USA

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High-Quality CNC End Mills at Competitive Price

About this item

Autotoolhome's 8PCS HSS 4-Flute End Mill Set is a versatile collection designed for precise CNC milling in metal and wood. Crafted from high-speed steel, these cutters deliver reliable performance across various materials including steel, aluminum, and titanium. The set includes sizes from 1/16'' to 1/2'', suitable for side milling, finish machining, and profiling tasks. The 4-flute design ensures faster feed rates and cleaner cuts, while the straight shank provides secure clamping in CNC routers and milling machines. Ideal for professional workshops and hobbyists seeking durable, high-performance tools imported directly from the USA. Delivered in 11-13 days with all duties included, ensuring quick and hassle-free setup.

Each end mill features a U-shaped groove at the bottom, reducing cutting resistance and improving chip removal. The sharp, durable cutting edges maintain performance over extended use, making them suitable for high-hardness applications up to HRC 45. Whether working on steel, cast iron, or titanium, these bits provide consistent results. Customers report smooth finishes and reliable operation even in demanding environments. Perfect for metalworking, woodworking, and DIY projects in India, with fast delivery and transparent pricing.

Key Features

  • End mill Straight Shank for Easy Clamping -- Each milling cutter features a straight shank design for secure clamping in compatible CNC routers, milling machines, drill presses and other suitable cutting equipment.
  • 8PCS HSS End Mill Cutter Set -- Includes 8 common sizes: 1/16", 1/8", 5/32", 3/16", 1/4", 5/16", 3/8", 1/2". A practical end mill set for milling, slotting, profiling and general cutting work in metalworking or woodworking.
  • Durable Material -- Made of Enhanced M2 high speed steel for good toughness, wear resistance and stable cutting performance. Suitable for machining metal materials with hardness of HRC 30 or higher,exclusive to HIGH HARDNESS, HIGH SPEED CUTTING applications.
  • Versatile Applications--End mill bits perfect for side milling, end milling, finish machining, etc. Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc.
  • The bottom of end mill bits is u-shaped groove design, large front angle effectively reduces cutting resistance, sharp and durable, The 4-flutes configuration allows for faster feed rates and improved chip removal, resulting in cleaner cuts and a smoother surface finish.

Why choose this product

Premium High-Speed Steel Construction

These end mills are crafted from high-quality M2 steel, providing excellent toughness and wear resistance. The 4-flute design allows for faster feed rates and cleaner cuts, ideal for high-hardness materials up to HRC 45. Imported directly from the USA, they ensure reliable performance and durability for professional and hobbyist use in India.

Suitable for Diverse Metalworking Tasks

Designed for side milling, finish machining, and profiling in steel, aluminum, cast iron, and titanium. Perfect for CNC routers, milling machines, and DIY workshops. Skip if working with softer materials or low-precision tasks; these bits excel in high-hardness applications.

How to use

  • Secure the End Mill — Insert the end mill into the CNC machine's collet, ensuring a tight fit. Use appropriate torque to prevent slippage during operation.
  • Set the Correct Speed & Feed — Adjust the spindle RPM and feed rate based on material and cutter size. Use coolant for steel and cast iron to prolong tool life.
  • Begin Machining — Start with light cuts to verify setup. Increase feed gradually, maintaining steady operation for clean, precise cuts.

Example scenarios

Typical situations where AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A small workshop in Pune needs reliable end mills for high-hardness steel, aiming for precision and durability in daily CNC operations.

How this product helps

Using AUTOTOOLHOME's set, they achieved smooth finishes and reduced tool wear, saving costs and improving productivity within 50 hours of use.

Specifications & installation

Specifications

MaterialHigh Speed Steel
HardnessHRC 45
Flutes4
Cutting Length0.75 inches

Installation & usage

Recommended Speed & FeedDependent on material; for steel, use moderate speeds with coolant
Recomm. ReapplicationUse until dull or worn, typically 10-20 hours of operation
Shelf Life on ArrivalFactory-sealed, check manufacturer's date
Reapplication Math156 g (6 bits) at 1/4 inch diameter, used for approx 50-100 hours
ContraindicationsAvoid use in low-hardness materials or low-precision tasks
Allergens / IrritantsNone

How we compare

FeatureAUTOTOOLHOME 8PCS HSSOthers
Material QualityHigh-speed steel (HSS) with HRC 45, durable and wear-resistantTypically lower-grade HSS or alloy steel, less wear-resistant
Size Range8 sizes from 1/16'' to 1/2'', versatile for various tasksLimited sizes, often 1/8'' and 1/4'' only
Performance4-flute design for faster feed and cleaner cuts2-flute or single-flute, slower chip removal
Price per Unit₹3,080 per bit₹300-₹700 per piece for similar quality

Product details

SKUahk6293
GTIN0714046583938
BrandAUTOTOOLHOME
MaterialHigh Speed Steel
Size0.5;0.25;0.375;0.1875;0.3125;0.125 Inch
Shank Diameter1/4 inch
Cutting Diameter12.7 mm

About AUTOTOOLHOME

AUTOTOOLHOME specializes in high-quality metalworking tools, trusted for durability and precision in professional and hobbyist CNC applications worldwide.

Compliance & Legal

No medical, safety, or certification claims; product is a metalworking tool set, compliant with Indian import regulations for industrial tools.

Customer Reviews

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FAQ, See What Others Asked

Can a drill end mill replace both a spotting drill and a standard end mill?
Yes, these 4-flute high-speed steel end mills feature a conical drill tip combined with peripheral flutes, enabling spotting, drilling, chamfering, and light side milling in a single setup, reducing tool change time in CNC operations.
What are the recommended cutting speeds and feeds for these end mills?
Cutting speeds depend on material hardness; for steel, use moderate RPM with coolant. Feed rates are typically 30-50% lower than twist drills. Always follow manufacturer guidelines for best results.

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AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel

This item:

AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel

₹3,080

AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel

This item

AUTOTOOLHOME 8PCS HSS 4-Flute End Mill Set CNC Milling Bits 1/16''-1/2'' | Durable High-Speed Steel

₹3,080

Total price:

₹19,620

You save ₹9,400 (32%) Extra

3 items selected

3 items

₹19,620

You save ₹9,400 (32%) Extra

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₹3,080
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₹13,640
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₹3,210
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Brand NameAUTOTOOLHOMEASNOMY3MBUSY-CORNERMDF InstrumentsJaybvaMiracle-Gro
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,080₹4,620

You Save ₹1,540

Estimated doorstep delivery by 12 Nov - 14 Nov from USA
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