845 1-flute countersink bit 90°, 20.5 mm for M 10, 1/4" hexagon - Wera 05104665001

The larger the countersink, the more likely a countersink bit is to chatter and leave scoring. The 845 1-flute countersink bit with 20.5 mm diameter is designed for M 10 countersunk screws and works chatter-free with a single cutter, giving the countersink a smooth surface.

Benefits

• 1 cutter guarantees vibration-free and scratch-free operation.
• Optimal countersink surface quality.
• Perfect chip removal and long service life.
• 1/4" hexagon shaft for very good power transfer.
• High corrosion protection.

Applications

Metalwork, steel and vehicle construction, enclosure and furniture construction, assembly: countersinking and deburring for M 10 countersunk screws and chamfering large holes.

Standards and safety

1/4" hexagon drive as per DIN 3126-D 6.3 and ISO 1173.