RS PRO
RS PRO Counterbore Set M3 to M10, 12 Piece
Part: 132-019
12-piece counterbore drill set for M3 to M10 threaded holes in metal.
EXACT
EXACT Counterbore Set M3 to M10, 6 Piece
Part: 05863
Six-piece counterbore set for M3 to M10 metric screw holes.
RS PRO
RS PRO Counterbore Set M3 to M10, 6 Piece
Part: 132-025
Six-piece counterbore set covering standard metric sizes for general manufacturing.