3 Flute Straight Shank Countersinks

Sherwood countersinks are a chatter-free cutter that produce an excellent burr-free finish it is capable of deburring and countersinking in one stroke with no "back-off" of tool.
Countersinking a hole leaves an angled conical, chamfered recess on the finished job, for a tapered head bolt or screw to seat correctly into this angled form. Countersink bits can be used for deburring holes as well.
It will also countersink aluminium with no secondary bulge.
Ideal for special applications and exotic materials, a choice of hard coatings is available.

For all dimensional specifications please refer to our catalogue.

60 Degrees

Sherwood Single Hole Countersinks HSS (5%)

Manufactured from HSS-E cobalt for deburring and chamfering. Straight shank, ground flute 90 angle.
Manufactured to BS328:Part 5:1983.

For all dimensional specifications please refer to our catalogue.

90° Degrees

3 Flute Straight Shank Countersinks

Sherwood countersinks are a chatter-free cutter that produce an excellent burr-free finish it is capable of deburring and countersinking in one stroke with no "back-off" of tool.
Countersinking a hole leaves an angled conical, chamfered recess on the finished job, for a tapered head bolt or screw to seat correctly into this angled form. Countersink bits can be used for deburring holes as well.
It will also countersink aluminium with no secondary bulge.
Ideal for special applications and exotic materials, a choice of hard coatings is available.

For all dimensional specifications please refer to our catalogue.

60 Degrees

3 Flute Taper Shank Countersinks

These three flute Sherwood 90 countersinks are manufactured from HSS-E cobalt steel with a ground finish. They are suitable for deburring and chamfering most metals and plastics. Manufactured to BS328:Part 5:1983.

For all dimensional specifications please refer to our catalogue.

90 Degrees

Sherwood Single Hole Countersinks HSS (5%)

Manufactured from HSS-E cobalt for deburring and chamfering. Straight shank, ground flute 90 angle.
Manufactured to BS328:Part 5:1983.

For all dimensional specifications please refer to our catalogue.

90° Degrees

Sherwood Multi Flute Rose Pattern Straight Shank Countersinks

Inclusive angle 90.
Overall length: 52mm.
Available in cutting diameters of 3/8", 1/2" and 5/8".

For all dimensional specifications please refer to our catalogue.

90° Degrees

Sherwood Single Hole Countersinks HSS (5%)

Manufactured from HSS-E cobalt for deburring and chamfering. Straight shank, ground flute 90 angle.
Manufactured to BS328:Part 5:1983.

For all dimensional specifications please refer to our catalogue.

90° Degrees

Sherwood Solid Counterbore HSS-E

Used for milling of pre-drilled holes to allow bolt or cap head screws to lie flush with the component surface. Spiral, 3 flute. Medium duty. Manufactured to BS328:5:1983.

For all dimensional specifications please refer to our catalogue.

Spiral 3 Flute Plain Shank

SS-Co 5% 3 Flute Piloted Countersinks

For the production of high precision concentrically centred countersinks in most metals where pilot holes have been pre-drilled.
Shank diameter: 3/16”.

HSS-Co 5% 90° Countersinks

For all ferrous and non-ferrous metals as well
as for hard plastics. General purpose chamfering/deburring and countersinking tool. bright finish, 3 flute, ground all over.
Made to DIN 335.