Tolerance:ABEC-1 ABEC-3 ABEC-5 ABEC-7
Materials:AISI52100 AISI440C Carbon Steel
Series--------Item NO.--------Bore Diameter(mm)
6700---------673-678----------3-8
6800---------681-689----------1-9
6900---------691-699----------1-9
6000---------602-609----------2-9
6200---------623-629----------3-9
6300---------634-639----------4-9
Inch----------R -FR ?1600----2.381-9.525(3/32"~3/8")
Metric-------MR- MFR -------3-9
REMAKS:OPEN Z ZZ RS 2RS Teflon seals in available for all sizes