Counterbores
Counterbore, or counterbore cutters, are drill-bits used to make counterbore holes, which is a way of creating a flat-bottomed extension of an existing hole in a material. The counterbore cutter will essentially create a cylindrical cavity at the head of an already drilled hole. This allows the hole to accommodate flat bottomed screw or bolts so that they sit flush to the surface of the materia...
Showing 1-20 of 22 products
RS Pro
Counterbore
M6
6.6mm
-
11mm
18mm
Plain
1
8 mm
80 mm
HSS
RS Pro
Counterbore
M4
4.5mm
-
8mm
14mm
Plain
1
5 mm
71 mm
HSS
RS Pro
Counterbore
M3
3.4mm
-
6mm
14mm
Plain
1
5 mm
71 mm
HSS
RS Pro
Counterbore
M12
14mm
-
20mm
22mm
Plain
1
12.5 mm
100 mm
HSS
RS Pro
Counterbore Set
M3 to M10
-
-
-
-
-
6
-
-
HSS
RS Pro
Counterbore
M8
9mm
-
15mm
22mm
Plain
1
12.5 mm
100 mm
HSS
RS Pro
Counterbore
M10
11mm
-
18mm
22mm
Plain
1
12.5 mm
100 mm
HSS
RS Pro
Counterbore
M5
5.5mm
-
10mm
18mm
Plain
1
8 mm
80 mm
HSS
RS Pro
Counterbore
M10
10.5mm
11mm
18mm
19mm
Screwed
1
10 mm
89 mm
HSS
RS Pro
Counterbore
M4
4.3mm
5.5mm
8mm
12.5mm
Screwed
1
6 mm
65 mm
HSS
RS Pro
Counterbore
M6
6.4mm
8mm
11mm
12.5mm
Screwed
1
6 mm
76 mm
HSS
RS Pro
Counterbore
M12
13mm
13.5mm
20mm
25.5mm
Screwed
1
12 mm
108 mm
HSS
RS Pro
Counterbore Set
M3 to M10
-
-
-
-
-
12
-
-
HSS
RS Pro
Counterbore
M8
8.4mm
9.5mm
15mm
19mm
Screwed
1
10 mm
87.3 mm
Steel
RS Pro
Counterbore
M5
5.3mm
6.5mm
10mm
12.5mm
Screwed
1
6 mm
70 mm
HSS
EXACT
Counterbore Set
M3 to M10
-
-
-
-
-
6
-
-
HSS
EXACT
Counterbore
M5
5.5mm
-
10mm
-
Plain
1
8 mm
80 mm
HSS
EXACT
Counterbore
M4
4.5mm
-
8mm
-
Plain
1
5 mm
71 mm
HSS
EXACT
Counterbore
M8
9mm
-
15mm
-
Plain
1
12.5 mm
100 mm
HSS
EXACT
Counterbore
M3
3.4mm
-
6mm
-
Plain
1
5 mm
71 mm
HSS