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CHINA (GB/T-ISO) | JAPAN JIS4130-1982 | FEPA-1997 | ||||
Grit (GB/T) | Grit (ISO) | Size (μm) | Grit | Size (μm) | Grit | Size (μm) |
16/18 | 20 | 1180/1000 | 16/18 | 1180/1000 | D1180 | 1180/1000 |
18/20 | 22 | 1000/850 | 18/20 | 1000/850 | D1001 | 1000/850 |
20/25 | 24 | 850/710 | 20/30 | 850/600 | D851 | 850/710 |
25/30 | 30 | 710/600 | D711 | 710/600 | ||
30/35 | 36 | 600/500 | 30/40 | 600/425 | D601 | 600/500 |
35/40 | 40 | 500/425 | D501 | 500/425 | ||
40/45 | 45 | 425/355 | 40/50 | 425/300 | D425 | 425/355 |
45/50 | 50 | 355/300 | D356 | 355/300 | ||
50/60 | 60 | 300/250 | 50/60 | 300/250 | D301 | 300/250 |
60/70 | 70 | 250/212 | 60/80 | 250/180 | D251 | 250/212 |
70/80 | 80 | 212/180 | D213 | 212/180 | ||
80/100 | 90 | 180/150 | 80/100 | 180/150 | D181 | 180/150 |
100/120 | 100 | 150/125 | 100/120 | 150/125 | D151 | 150/125 |
120/140 | 120 | 125/106 | 120/140 | 125/106 | D126 | 125/106 |
140/170 | 150 | 106/90 | 140/170 | 106/90 | D107 | 106/90 |
170/200 | 90/75 | 170/200 | 90/75 | D91 | 90/75 | |
200/230 | 180 | 75/63 | 200/230 | 75/63 | D76 | 75/63 |
230/270 | 240 | 63/53 | 230/270 | 63/53 | D64 | 63/53 |
270/325 | 280 | 53/45 | 270/325 | 53/45 | D54 | 53/45 |
325/400 | 320 | 45/38 | 325/400 | 45/38 | D46 | 45/38 |
M36/54 | W40 | 54/36 | 400# | 37/34 | M45 | 50/40 |
M22/36 | 22/36 | 500# | 34/28 | M35 | 40/32 | |
M20/30 | W28 | 30/20 | 600# | 28/24 | M25 | 32/25 |
M12/22 | 22/12 | 700# | 24/20 | M20 | 40/25 | |
M10/20 | W20 | 20/10 | 800# | 20/14 | M20A | 30/25 |
M8/16 | 16/8 | 1000# | 16/13 | M20B | 40/30 | |
M8/12 | 12/8 | - | - | - | - | |
M6/12 | W14 | 12/6 | 1200# | 10/13 | D15 | 25/15 |
M5/10 | W10 | 10/5 | 1500# | 8/10 | D15A | 15/10 |
M4/8 | W7 | 8/4 | 2000# | 8/6 | D15B | 20/15 |
M3/6 | 6/3 | 2500# | 6/5 | D15C | 25/20 | |
M2.5/5 | W5 | 5/2.5 | 3000# | 5/4 | D7 | 10/5 |
M2/4 | 4/2 | 4000# | 4/3 | D3 | 5/2 | |
M1.5/3 | W3 | 3/1.5 | 5000# | 3/2 | D1 | 2/1 |
M0/2 | W1.5 | 2/0 | 8000# | 2/1 | D0.7 | 1/0.5 |
M0.5/1.5 | W1 | 1.5/0.5 | 15000# | 1/0 | D0.25 | 0.5 |