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2-908-8 Shinmarukohigashi Kawasaki-shi Nakahara-ku Kanagawa-ken 211-0004 JAPAN
Phone: +81-44-433-7171 Fax: +81-44-411-0201

GRANULARITY OF DIAMOND AND CUBIC BORON NITRIDE (cBN)

Granularity-mesh size- of diamond and cubic boron nitride (cBN)

JIS B 4130 has set a standard of granularity of abrasives for diamond and cBN tools with the unit of mesh size, and it's crucial to choose the proper mesh size of abrasive for your purposes.

 DISPLAYED
GRAIN SIZE
REAL GRAIN SIZE THAT IS USED
(UNIT: MESH)
 DISPLAYED
GRAIN SIZE
 REAL GRAIN SIZE THAT IS USED
(UNIT: μm)
 20 ★20~30  400  ★40~60
30 ★30~40
 500  ★30~40
 40  ★40~50  600  _20~30
 50  ★50~60  700  ★12~25
 60  ★60~80  800  _10~20
 80  ★80~100  1000  ★8~16
 100  ★100~120  1200  _6~12
 120  ★120~140  1500  _5~10
 140  ★140~170  2000  ★4~8
 170  ★170~200  2500  _2~6
 200  ★200~230  3000  ★2~4
 230  ★230~270  ----  ★1/2~3
 270  ★270~325  ---- _0~1/2
 320  ★325~400  ----  _0~1/4

・combinations other than the above are also possible. For more information, please contact us.

・In special cases, abrasive grains may be displayed micron unit.

・cBN abrasive grains can be used in those sizes marked with ★.




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Oriental Diamond Tool Lab.Ltd.

2-908-8 Shinmarukohigashi Kawasaki-shi Nakahara-ku Kanagawa-ken 211-0004 JAPAN

Phone +81-44-433-7171
FAX +81-44-411-0201