Micro-Finish Selector

Micronized Grade Nos.	US Bureau of Standards Micron Range	Mesh Size Equivalent	Application Range	Typical Finish Micro Inches
36-54	45	450	Lapping	15-25
30-40	35	500		10-15
22-36	30	600		7-9
20-30	25	800		5-9
15-25	20	1,000		4-8
15-20	17	1,100		4-7
10-20	15	1,200		4-6
8-15	12	1,500		3-6
6-12	9	1,800	Polishing	3-5
4-8	6	3,000		2-3
2-6	4	6,000		1-3
1-5	3	7,500		1-2 1/2
2-4	3	8,000		1-2
0-2	1	14,000		0-2
0-1xx	1/2	60,000		0-1
0-1/2xx	1/4	100,000		0-1/2
0-1/4xx	1/8	200,000		0-1/4
0-1/5xx	1/10	250,000		0-1/5

Close This Window