Is one of the bits good for making a Flat bottom ?

Yes, the cylindrical shapes burrs in the kit can make a flat bottom.

Can these 1/4 inch shank burrs be inserted into the 1/4 inch collect of Milwaukee M12 easily?

Our 1/4 inch shank burrs can be inserted into rotary tool's 1/4 inch collect easily, Such as Milwaukee,Ingersoll Rand,DEWALT,Makita,etc.

does it provide any clear info what each bit is for? i wouldn't know which is for wood, plastic, metal, etc.

There are no instructions at all. I am a retired tool & die maker. I use them for working on metal. These will work on any kind of metal including hardened steel. You don't need carbide for wood or plastics but these will work on them. You will need to clean them frequently. I don't recommend using these for gems as one person enquired about. Gems are harder than hardened steel and most are harder than carbide tools.

Does this work on stainless steel and mild steel?

My set worked great on mild steel and should work as well on stainless steel.

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Sworker Carbide Burr Set Compatible with Dremel 1/8" Shank 10PCS Die Grinder Rotary Tool Rasp Bits Accessories Attachments Metal Wood Stone Plastic Carving Cutting Cleaning Grinding Engraving

Product ID: 507407234

Details

Cutting angle string
9E+1 Degrees
Cutting diameter
6 Millimetres
Finish type
Uncoated /
Material
Carbide
Shank type
Round

✨Double cut for ultra-smooth finish

🔩1/8" shank fits major rotary tools

⚙️20 precision carbide burrs

HK$306

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Description

🔧 Elevate your craft with precision and power — don’t get left behind!

COMPACT ORGANIZED - Compact 20-piece set ensures you have the right profile on hand for any creative or repair project.
DURABILITY THAT LASTS - Premium carbide construction stays sharp and resists wear, even under high-speed use.
PRECISION IN EVERY CUT - 20 versatile burrs tailored for detailed wood carving, metal engraving, and more.
UNIVERSAL COMPATIBILITY - Seamlessly fits top rotary brands like Dremel, Bosch, DeWALT, and Milwaukee for instant tool upgrades.
EFFORTLESS CONTROL FINISH - Double cut design minimizes chips and slivers, delivering a refined, professional finish every time.

The Sworker Carbide Burr Set offers 20 double-cut, polished carbide bits with 1/8" shanks, compatible with leading rotary tools. Designed for fine detail work in wood, metal, and more, these burrs deliver sharp, durable performance and superior chip control, making them an essential upgrade for professionals and hobbyists alike.

Specifications

ASIN	B09NSZFHHW
Best Sellers Rank	399,186 in DIY & Tools ( See Top 100 in DIY & Tools ) 232 in Burrs
Brand	Sworker
Customer Reviews	4.6 4.6 out of 5 stars (3,417)
Cutting Angle String	9E+1 Degrees
Cutting Diameter	6 Millimetres
Finish Types	Uncoated / lightly lubricated
Included Components	Carbide Burr Set
Item Dimensions	9.9 x 6.8 x 1.2 centimetres
Manufacturer	Sworker
Manufacturer Part Number	CBS-6
Material	Carbide
Minimum Bore Diameter	6 Millimetres
Model Number	CBS-6
Number of Flutes	2
Number of Packs	1
Number of Pieces	10
Point Style	Needle Point
Set Name	10pcs Tungsten Carbide Double Cut Drill Bit Set
Shank Type	Round
Surface Recommendation	Metal, Wood, Stone, Plastic
Tool Flute Type	Spiral
UPC	787022948748
Unit Count	10.0 count

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HK$306

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered 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 Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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