846 HSS 3-flute countersink bit 90°, 20.5 mm for M 10, 1/4" hexagon - Wera 05104635001

Countersinks for M 10 countersunk screws and chamfering large holes call for a countersink that does not chatter and centres cleanly. The 846 countersink bit with 20.5 mm diameter cuts an even 90° chamfer with three cutters as per DIN 335-C and is still easy to guide in a cordless screwdriver.

Benefits

• 3 cutters with excellent centring properties for even countersinks.
• Low jamming risk and precise return control.
• Perfect chip removal for pleasant working.
• HSS with finely tuned material elasticity for long service life.
• 1/4" hexagon shaft for very good power transfer, high corrosion protection.

Applications

Metalwork, steel and plant construction, vehicle construction, joinery and plastics processing: deburring large holes, chamfering and countersinking for M 10 countersunk screws.

Standards and safety

Cutting section as per DIN 335-C, 90° with 3 cutters. 1/4" hexagon drive as per DIN 3126-D 6.3 and ISO 1173.