Characteristics
Our original RG grindstone uses a hard abrasive and tends to wear down little as a result.
It is the perfect grindstone for eliminating processing lines left after electric discharge processing or CNC processing.

Examples of use
This grindstone can be used on any type of steel, including both hardened and pre-hardened steel.

#280

#400

#600

#800

Characteristics
Our original carbon grindstone has excellent grindability, produces little scratching and rarely clogs.
We use a soft abrasive, meaning it is perfect for pre-hardened steel of HRC40 or below.

Examples of use
HMP-PRO, HPM-MAGIC, HPM-7, NIMAX, PLAMAX, NAK80, NAK55, PX-5, S50C, SCM440, etc.

#1000

#1500

#2000

#3000

Characteristics
Our original GC grindstone has excellent grindability, produces little scratching and rarely clogs.
We use a hard abrasive, meaning it is perfect for hardened steel of HRC50 or above.

Examples of use
HPM38, STAVAX, S-STAR, SKD11 series, SKD61series, high-speed, super-steel, etc.
For exceptional use, it is also perfectly suited to the CENA-1 and NAK Premium.

#1000

#1500

#2000

#3000