Stone MarbleGranite Engraving CNC Router Bits&Tool Classification

A Seriels (Normal Alloy Knife):

Advantage:Double-edged design, good sharpness, high cost performance and easy manual grinding.

Disadvantages: Not suitable for embossing due to the angle is not standard (the other angle is at the tool tip). Generally used for engraving bluestone, marble

B Series (Standard Angle Alloy Knife):

Angle standard, professional onlettering and fine relief. Generally used for engraving bluestone, marble. Can be made into a flat-bottomed knife with a flat bottom.

C Series (Melting Diamond Grinding Head Knife / Brazing Knife):

Good sharpness, high engraving efficiency, no deformation of the cutter head and high precision of engraving work.First choice to engrave marble, bluestone, sandstone and other materials and large characters.

D Series (Full Alloy Triangular Knives):

Angle standard, good lettering effect.

Customers who have a universal knife sharpener can use this knife. If there is no universal knife sharpener, it is not recommended.

E Series (PCD Polycrystalline Diamond Knife):

Good hardness, high lifetime and good engraving effect. Professional engraving lettering on granite.

When using, you should pay attention to flexible walking, unusable force.

F Series (Sintered Diamond Grinding Head Knife): Used for granite milling. Advantage: Long lifetime&high hardness

Disadvantage: sharpness is not good,the cutter head easy to be deformed.

Do not recommended to use a sintering knife when engrave marble, bluestone and other sinilar materials. When making difficult stone processing such as granite,the sintered grinding head knife can be used;

G Series (Diamond Quadrangular Knives): Used to engrave small characters or line carvings on granite.  Advantage:Long lifetime

Disadvantage :sharpness poor, engraving depth is shallow.

Description: There is no versatile stone cutter! Only reasonable tooling can optimize the engraving cost and engraving effect.