China Honing P28nm85 Sunnen Honing Stone, Find details about China P28nm85 Sunnen, Sunnen P28 Honing Stone from Honing P28nm85 Sunnen Honing Stone
brasive material | code | application |
CBN | NM | Quenched Steel , Temperd Steel |
Diamond | DM | Cast iron , Aluminum , cooper , carbide Alloy , Ceramics etc |
Aluminium Oxide | A | Quenched Steel |
Silicon Carbide | J | Aluminum, Copper Alloy , and Cast |
Numbers of hardness
soft → hard
3 5 7 9 11 13
Numbers of grit
NO.(Set by honing) | Grit Size |
3 | 100 |
4 | 150 |
5 | 220 |
6 | 280 |
8 | 400 |
9 | 500 |
0 | 600 |
90 | 900 |
00 | 1200 |