What do all the numbers mean on the bits? On the 5mm, the numbers are 5x5x13x57. I figured the first number is the bit diameter? Others???rs

First number is the diameter (in mm) of the flute end. Second number is the diameter of the shaft. Third number is the length of the flutes. Fourth number is the overall length.

Where do I find information on the feed rate and speeds for these end mills?

To be honest I'm not sure. Chinese bits made of who knows what steel. You'd have to get a hardness test and have extensive knowledge of cutting angle vs cutting material to have an accurate guess.

How do these work or Stainless...anyone?

stainless- speed and feed is critical. You must use a low rpm and apply significant feed pressure otherwise it work hardens and you won't be able to cut it. \

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10 PCS 0.08" - 0.47" End Mills, AFUNTA 4-Flute HSS CNC Straight Shank Drill Bit Set Cutter Tool Set for Wood Aluminum Steel Titanium

10 PCS 0.08" - 0.47" End Mills, AFUNTA 4-Flute HSS CNC Straight Shank Drill Bit Set Cutter Tool Set for Wood Aluminum Steel Titanium

Product ID: 70881233

Details

Cutting Diameter
12 Millimeters
Finish Type
High-speed Hss
Material
High Speed
Number of Flutes
4
Size
2mm 3mm 4mm

📏10 size options 0.08"-0.47"

🔥TiAIN coated for heat resistance

⚙️4-flute precision cutting

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Description

⚡ Elevate your machining game with precision and power in every cut!

BUILT TO LAST - High-speed steel construction ensures long-lasting performance and excellent wear resistance.
VERSATILE SIZE RANGE - 10 end mills from 2mm to 12mm cover every project need, from fine detail to heavy-duty cuts.
EFFICIENT CHIP REMOVAL - U-shaped groove design minimizes cutting resistance and keeps your workflow uninterrupted.
HEAT RESISTANT DURABILITY - TiAIN coating reduces wear and withstands high-speed machining without losing sharpness.
UNMATCHED CUTTING PRECISION - 4-flute design delivers smooth, accurate milling on wood, aluminum, steel, and titanium.

The AFUNTA 10 PCS 4-flute HSS end mill set offers a comprehensive range of sizes (2mm to 12mm) with TiAIN coating for enhanced heat resistance and durability. Designed for high-speed CNC milling on materials like wood, aluminum, steel, and titanium, its U-shaped groove ensures efficient chip removal and reduced cutting resistance, making it a reliable choice for professionals seeking precision and longevity in their tooling.

Specifications

ASIN	B07DQL66VF
Best Sellers Rank	#110,757 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Drill Mills
Brand Name	AFUNTA
Customer Reviews	4.5 out of 5 stars 2,488 Reviews
Cut Type	4 Flute End Mill Cutter
Cutting Diameter	12 millimeters
End Cut Type	4 flutes
Finish Type	High-speed Steel,Hss
Finish Types	High-speed Steel,Hss
Item Weight	0.02 kg
Manufacturer	AFUNTA
Material	High Speed Steel
Material Type	High Speed Steel
Model	AF-4-flute_end_mill_10
Number of Cutting Edges	4
Number of Flutes	4
Number of Items	10
Part Number	AF-4-flute_end_mill_10
Shape	Round
Size	2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm
Size Name	2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm
UPC	783710282415
Unit Count	9.88 Ounce

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€ 37.01

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Spain.

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TrustScore 4.5 | 7,300+ reviews

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