＊For countersinking holes for hex socket head bolts. ＊Long type of CB. ＊Tolerance of Guide Diameter:0~-0.05.
Long Shank Counterbore.
CBLSLong Shank Counterbore.
Long Shank Counterbore.
CBLSLong Shank Counterbore.
＊For countersinking holes for hex socket head bolts. ＊Long type of CB. ＊Tolerance of Guide Diameter:0~-0.05.
