Major products specifications: 0.4mm~13mm 1/64"~1/2" Special specifications can be custom made.

Grade	Available Size Range	Diameter Tolerance Per Ball		V Block Out-Round in 12 OAngle		Diameter Tolerance Per unit Container		Basic Diameter Tolerance		Maximum Surface Roughness Micro-inch
		inch	mm	inch	mm	inch	mm	inch	mm	"AA"
40	1/16"-1"	0.00004	0.001	0.00004	0.001	0.00008	0.002	0.00008	0.002	0.008
60	1/16"-1"	0.00005	0.0015	0.00005	0.0015	0.00012	0.003	0.00012	0.003	0.095
100	1/16"-1"	0.0001	0.00254	0.0001	0.00254	0.0002	0.00508	0.0005	0.00508	0.125
200	1/16"-1"	0.0002	0.00508	0.0002	0.00508	0.0004	0.01016	0.0010	0.0254	0.2
300	1/16"-1"	0.0003	0.00762	0.0003	0.00762	0.0006	0.01524	0.0015	0.03810
500	1/16"-1"	0.0005	0.0127	0.0005	0.0127	0.001	0.0254	0.002	0.05080
1000	1/16"-1"	0.001	0.0254	0.001	0.0254	0.002	0.0508	0.005	0.0127