Dormer HSS Countersink Drill Bit Set, 6.3 - 20.5mm Head, 3 Flute(s), 90°, 6 Piece(s)

Introducing the G2361 Countersink Set from Dormer is an essential accessory for any tradesman. Featuring six pieces to this set for various types of materials and when using screws, bolts or rivets they can provide a flush neat finish. Designed with three flutes per countersink to allow for a better chip clearance compared to four flutes to prevent any clogging from occurring. Every countersink is constructed from High-Speed Steel (HSS) providing exceptional hardness to prevent any wear hardness.

Includes six of the most popular sizes

For the production of 90° countersunk holes

Hex shank allows for high power transfer

Designed for use on a variety of materials (Wood, Plastic and Metals)

Triple flute design for efficient cutting

HSS increases hardness

Supplied in a Plastic case

Manufactured to DIN 335C

This Countersink Set is typically used by professional tradesmen, engineers or those wishing to finish off their project. These are commonly used to cut a hole to allow the head of a screw, bolt or rivet to sit flush or below the surface of the surrounding material. Most common countersink bits are the fluted countersink cutter, the angle of the flutes can vary for particular jobs. They are commonly used for:

Mechanical and industrial production

Woodworking/carpentry

Fastening wood to metal

6.3 mm

8.3 mm

10.4 mm

16.5 mm

20.5 mm

Yes, this can be used with both a power drill and a battery drill. It doesn’t have the right connection for an SDS drill.

DIN 335C

When you're juggling different drilling tasks, choose this countersink drill bit set from Dormer. It comes equipped with six pieces that have different head diameters, so you always have the right bit for the job. Each piece creates countersunk holes at a 90° angle for a flush, neat finish. A triple-fluted design ensures efficient cutting, clearing debris away to prevent clogging. This set lasts for the long haul, as its tips are made from high-speed steel that stands up to corrosion and wear.

• Suitable for drilling through wood, plastic or metal for versatility
• Supplied in a plastic carry case for easy storage and organisation

• Woodworking
• DIY projects
• Construction sites

For versatility, the bits in this set have head diameters of 6.3, 8.3, 10.4, 12.4, 16.5 and 20.5mm.