will these cut aluminum?

The machine can engrave aluminum as far as cutting it it would take a very long time depending on the hardness. To engrave I would set the passing depth at 0.5mm and the feed rate between 150 and 300 mm/min, spindle speed between 300 and 500 rpm. Aim a cooling fan at the work piece and keep a vacuum handy.

Can It engrave on copper?

It's possible, but I wouldn't recommend it. Engraving on metal, even one as soft as copper, would dull the bits quickly.

Why is amazon shipping from Baltimore to Kentucky and back to baltimore?

All 2 day air packages go to the hub in Kentucky first. You could ship something 2 day air to your next door neighbor and it will go to Kentucky first. Crazy, right?

Are these upcut or downcut? Can this vital piece of information be added to your product specs please?

I believe they are Burrs and neither upcut or downcut however, they have an appearance of being upcut. Although I have them, I have not used them yet.

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SainSmart Genmitsu 10Pcs Nano Blue Coat End Mill CNC Router Bits, 0.8-3mm, 1/8" Shank

SainSmart Genmitsu 10Pcs Nano Blue Coat End Mill CNC Router Bits, 0.8-3mm, 1/8" Shank

Product ID: 130043307

Details

Cutting diameter
0.8
Cutting length
12 Millimetres
Finish type
Nano Blue Coat
Material
Carbide
Number of flutes
2

🔵Nano Blue Coat for ultra-durability

⚙️Precision cutting diameters 0.8-3.0mm

🛠️Ultra-fine carbide for superior milling

€ 71.23

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔵 Cut sharper, last longer, craft smarter.

CARBIDE TOUGHNESS - Crafted from ultra-fine grained carbide, these bits deliver exceptional milling performance on hard materials.
CLEAN SMOOTH FINISHES - Sharp cutting edges produce neat, glitch-free surfaces that elevate your craftsmanship and impress clients.
PRECISION IN EVERY CUT - 10-piece set with diameters from 0.8 to 3.0mm ensures flawless detail work on any project.
NANO BLUE COATING ADVANTAGE - Enhanced wear resistance and longer tool life keep your workflow uninterrupted and sharp.
VERSATILE APPLICATION RANGE - Perfect for PCB, SMT, CNC, mold making, carbon fiber, hardwood, and more—engineered for professionals who demand precision.

The SainSmart Genmitsu 10Pcs Nano Blue Coat End Mill CNC Router Bits set features precision-cut diameters ranging from 0.8 to 3.0mm, coated with a durable nano blue finish for enhanced wear resistance. Made from ultra-fine grained carbide, these bits offer superior milling performance across a variety of materials including PCB, carbon fiber, and hardwood, delivering clean, precise cuts ideal for professional-grade CNC routing and precision machining.

Specifications

ASIN	B07P7LGQJ6
Best Sellers Rank	8,816 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3 in Drill End Mills
Brand	SainSmart
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (3,381)
Cut Type	Plain End
Cutting Diameter	0.8 Millimetres
Cutting Length	12 Millimetres
End Cut Type	Center
Finish Types	Nano Blue Coat
Global Trade Identification Number	04897093841353
Helix Angle	3E+1 Degrees
Item Shape	Round
Item Weight	0.01 Ounces
Manufacturer	SainSmart
Manufacturer Part Number	101-60-70C08
Material	Carbide
Model Number	70C08
Number of Cutting Edges	2
Number of Flutes	2
Number of Items	10
Size Name	0.8-3.0mm
Tolerance Held	Precision

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