Dormer HSS Countersink Drill Bit Set, 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm Head, 3 Flute(s), 90°, 6

Introducing the G2363 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. In addition to the HSS, a TiAIN coating allows the countersink to maintain the high standard cutting at high temperatures. The coated bits can be operated at speeds up to 100% higher and for longer than uncoated countersink bits.

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 and TiAIN coating increases hardness and high-temperature resistance

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

Looking to add screws to your workpiece? Reach for this countersink drill bit set from Dormer. As the six included tools carve entry chamfers, they sit screws flush with a surface for a neat finish. Thanks to their three-flute designs, the kit's components cut quickly to help you breeze through tough processes. Diameters between 6.3 and 20.5mm mean the set can tackle many assembly jobs. Thanks to their HSS construction, the bits resist heat and wear for reliable high-speed cutting.

• Compatible with steel, cast iron and non-ferrous metals, reducing the need to switch bits
• Plain shanks easily slot into machinery for quick set-up
• Supplied with a round bit holder for easy storage

• Deburring
• Rail industry
• Milling machines

This set's holder comes with labelled slots, so it's a cinch to tell its tools apart at a glance.