What is the recommended speed for these bits?

None of these bits are large diameter cutters so Iyou can use the high speed setting. This chart might be helpful. it's what I go by. Bit Diameter Maximum Speed Up to 1 inch 24,000 rpm 1 to 2 inches 18,000 rpm 2 to 2-1/2 inches 16,000 rpm 2-1/2 to 3-1/2 inches 12,000 rpm

Can this router bit be used on rocks?

Absolutely not! A router can spin at speeds of up to 25,000 rpm. Even though these are carbide and a tough material the end result of using them on stone would undoubtedly yield delamination of the carbide edges, flying bits of high speed metal and pieces of rock. Attempting to use these on rock could result in serious injury or even death. These are manufactured to shape WOOD!!! Perhaps you can find some type of grinder attachment which would allow you to alter stone but don't use these bits for that purpose.

Do these bits all have ball-bearing guides? It doesn't mention that anywhere.

I have not used all of them yet, but all the ones that I have used approximately 50% of them all did . did not pay attention if others did or not.

What is the best way to sharpen the bit?

The preservation method is different for everyone. For example, I use precision flat stones on the surface and edges, and a sheet of 2000 grit W&D sandpaper on the precision granite surface.

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MNA Router Bits 35 Pcs Set, 35 Pieces 1/2 Inch Shank Router Bit Kit. American Router Bit Set Complete Set.

MNA Router Bits 35 Pcs Set, 35 Pieces 1/2 Inch Shank Router Bit Kit. American Router Bit Set Complete Set.

Product ID: 320144229

Details

Brand
MNA
Cut Type
Cut
Item Weight
2.8 Kilograms
Material
Carbide
Size
35 Pieces 1/2

🧰Universal 1/2” shank

🪵Fits all wood types

⚙️35 precision carbide bits

Rp4359723

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Description

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

COMPLETE 35 PIECE SET - All the essential router bits for every woodworking project, neatly organized in a durable aluminum case.
PREMIUM C 3 CARBIDE TIPS - Engineered for superior wear resistance and razor-sharp edges, delivering flawless finishes every time.
UNIVERSAL COMPATIBILITY - 1/2-inch shank fits all major routers—handheld or benchtop—ensuring seamless integration with your tools.
TRUSTED AMERICAN STANDARD - Precisely matched to American industry dimensions for professional-grade performance and reliability.
VERSATILE WOODWORKING POWER - Perfectly crafted for MDF, hardwood, softwood, and particle board, empowering your creativity across materials.

The MNA Router Bits 35-Piece Set features premium C3 carbide-tipped bits with a universal 1/2-inch shank, designed to meet American industry standards. This comprehensive kit covers all popular bit types for professional woodworking, compatible with all major router brands and suitable for a wide range of wood materials, ensuring durability, precision, and versatility in every cut.

Specifications

ASIN	B091YJWG8B
Best Sellers Rank	#64,625 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Edge Treatment & Grooving Router Bits
Brand Name	MNA
Customer Reviews	4.6 4.6 out of 5 stars (1,206)
Cut Type	Carbide-Tipped Cut
Cutting Diameter	0.5 Inches
Item Diameter	0.5 Inches
Item Weight	2.8 Kilograms
Manufacturer	MNA
Material Type	Carbide
Model	PCS-3512
Number of Flutes	1
Part Number	PCS-3512
Size Name	35 Pieces 1/2 Inch Shank
UPC	770773583146
Unit Count	1 Count

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Rp4359723

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In stock

Sold byAmazon IndonesiaDelivered 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 Indonesia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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