20 Mm Hss End Mill Cutters of 2025
Best Choice1
Drill AmericaDrill America 20.00mm High Speed Steel 4 Flute Single End End Mill, DWC Series
Main highlights- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Weldon shanks feature a round shank with one of more flats machined into the side for easy indexing and alignment
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Designed to machine most materials of medium hardness such as steel, brass, bronze and iron
- Available in polished finish
9.8Exceptional
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Value for Money2
HALLMERSHALLMERS 20mm Roughing End Mill HSS Milling Cutter 4-Flute Upcut - 20mm Shank - 75mm Cutting Depth - CNC Router Bit Efficient Material Removal Suitable for Wood MDF Plastic Aluminium Soft Steels
Main highlights- Versatile Application: Suitable for a wide range of materials, including aluminum, wood, plastics, and mild steels, the HSS roughing end mill is a versatile tool for various machining tasks.
- High-Speed Steel (HSS) Construction: This material offers a good balance between affordability and durability. HSS is suitable for various materials and allows for resharpening when the mill becomes dull, extending its lifespan and reducing overall tooling costs.
- 4-Flute Upcut Spiral Design: The flutes of the end mill are angled upward, which efficiently removes chips from the cutting zone. This prevents chip build-up and improves cutting performance.
- 20mm Shank Diameter: This is the size of the shaft that fits into your CNC machine's collet. Ensure your machine has a collet that can accommodate the shank for proper installation.
- 20mm Cutting Diameter: This refers to the width of the material the mill will remove in a single pass. It's crucial to choose a diameter that matches your project requirements.
9.6Exceptional
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3
NACXHSS-AL T Slot End Mill Milling Cutter， High-Speed Steel Woodruff Keyseat Cutter, Half Round Keyway Milling Cutter， Straight Shank, 6 Flutes, 20mm x 3mm x 70mm
Main highlights- Size: Cutting Diameter: 20mm / 0.78"; Cutting Depth: 3mm / 0.11"; Total Length: 70mm / 2.75"; Flute Number: 6
- Material: This T slot cutter end mill is made of high quality high speed steel (HSSAL) material, wear resistant and not easy to stick cutter.
- Durable: The high-frequency welding process is adopted at the connection between the cutter head and the cutter body, which is durable and not easy to break the knife, which greatly improves the practical life of the cutter.
- Application: Used to process t-shaped grooves on various mechanical tables or other structures. Suitable for milling steel, aluminum, copper, iron and non ferrous materials.
- Advantage: The cutting edge is sharp and wear-resistant, it is not easy to break the edge, the surface is clean and free of burrs, and the finished workpiece has high smoothness.
9.5Excellent
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4
uxcelluxcell 22mm Cutting HSSAL Spiral Drill Bit Straight End Mill Cutter 4 Flute with 20mm Shank
Main highlights- Suitable for CNC data processing center, carved, high-speed machines.
- Designed with 4 flutes, straight shank, deep helical groove
- Cutting Length: 38mm / 1.5"; Overall Length: 104mm / 4.1"
- Cutting Diameter: 22mm / 0.87"; Shank Diameter: 20mm / 0.79"
- Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc
9.2Excellent
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5
CGjiogujioCGjiogujio 20mm 4 Flute HSS and Aluminium End Mill Cutter CNC Bit
Main highlights- Shank diameter: 20mm
- Qty: 1pcs
- Mill diameter: 20mm
- Material: HSS steel & Aluminium
- Flute length: 38mm; Total length: 104mm
9.1Excellent
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6
NACXNACX HSS-AL T Slot End Mill Milling Cutter, 20mm Cutting Dia 10mm Depth 12mm Straight Shank, for Moulding Steel Carbon Iron Alloy
Main highlights- Suitable for metal working mold steel, cast iron, carbon steel, alloy steel, tool steel, general iron material.
- Size: Cutting Diameter: 20mm/ 0.78", Cutting Depth: 10mm/ 0.39", Number of Flutes: 6, Total Length: 70mm/ 2.76", Shank Type: Round Shank.
- Product Name: T Slot End Mill Milling Cutter, Cutting Angle: 45 degree.
- Materials: Made of HSS-AL high speed steel, with good wear resistance, strength and toughness, long service life.
- Advantages: The cutting edge is sharp and wear-resistant, it is not easy to break the edge, the surface is clean and free of burrs.
9.0Excellent
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7
AuniwaigAuniwaig 20mm Straight Shank End Mill Cutter, 4-Flute End Mill Bits,HSS-AL Spiral Bits, Round Shank Milling Cutting Tool for Stainless Steel Alloy Copper Metal 1Pcs
Main highlights- 【Size】- Straight Shank End Mill Cutter; Cutting Diameter: 20mm / 0.79-inch; Shank Diameter: 20mm / 0.79-inch; Cutting Length: 38mm / 1.5-inch; Overall Length: 104mm / 4.1-inch; Number of Flutes: 4
- 【Note】- Please adjust the speed, feed and cutting depth according to actual cutting conditions
- 【Material】- Milling Cutter is made of high quality HSS-AL, sharp and durable, with high bending resistance and abrasion resistance
- 【Application】- End mill bits are suitable for side milling, end milling, finish machining, etc. Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc
- 【Advantage】- With sufficient flexural strength and wear resistance, which ensure high work efficiency. Sharp cutting edge, milling, hole and plate edge, clean surface, neat, no glitches
8.9Very Good
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8
HALLMERSHALLMERS 20mm Roughing End Mill HSS Milling Cutter 4-Flute Upcut - 20mm Shank - 38mm Cutting Depth - CNC Router Bit Efficient Material Removal Suitable for Wood MDF Plastic Aluminium Soft Steels
Main highlights- Versatile Application: Suitable for a wide range of materials, including aluminum, wood, plastics, and mild steels, the HSS roughing end mill is a versatile tool for various machining tasks.
- High-Speed Steel (HSS) Construction: This material offers a good balance between affordability and durability. HSS is suitable for various materials and allows for resharpening when the mill becomes dull, extending its lifespan and reducing overall tooling costs.
- 4-Flute Upcut Spiral Design: The flutes of the end mill are angled upward, which efficiently removes chips from the cutting zone. This prevents chip build-up and improves cutting performance.
- 20mm Shank Diameter: This is the size of the shaft that fits into your CNC machine's collet. Ensure your machine has a collet that can accommodate the shank for proper installation.
- 20mm Cutting Diameter: This refers to the width of the material the mill will remove in a single pass. It's crucial to choose a diameter that matches your project requirements.
8.6Very Good
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9
uxcelluxcell 28mm Cutting Diameter Straight Shank 4 Flutes End Mill Milling Cutter
Main highlights- Weight: 346g; Material: HSS
- Shank Diameter: 20mm/0.8"; Main Color: Gray
- Package Content: 1 x End Mill, 1 x Plastic Case; Product Name: End Mill
- Flute Number: 4; Flute Length: 44mm / 1.7"
- Cutting Diameter: 28mm/1.1"; Total Length: 121mm/4.8"
8.3Good
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10
UtoolmartUtoolmart 4 Flute Straight End Mill Cutter, High Speed Steel HSS-AL, CNC Router Bits, 20 x 20 x 38mm, 1 Pcs
Main highlights- 【Special Designe】- The bottom of end mill bits is u-shaped groove design, large front angle effectively reduces cutting resistance, sharp and durable, convenient for chip removal, further improve machining efficiency.
- 【Size】- Cutting Diameter: 20mm / 0.79-inch; Shank Diameter: 20mm / 0.79-inch; Cutting Length: 38mm / 1.50-inch; Overall Length: 104mm / 4.09-inch; Number of Flutes: 4.
- 【Note】- Please adjust the speed, feed and cutting depth according to actual cutting conditions.
- 【Material】- The milling cutter is made of HSS-AL, sharp and durable, with high bending resistance and abrasion resistance.
- 【Application】- End mill bits are suitable for side milling, end milling, finish machining, etc. Apply to carbon steel, soft alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc.
8.2Good
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