Dormer HSS 6.3 → 20.5 mm 6 piece 90° Countersink Drill Bit Set

  • RS Stock No. 812-6018
  • Mfr. Part No. G2361
  • Manufacturer Dormer
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): SE
Product Details

Dormer G2361 HSS Countersink Set

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.

Features and Benefits

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

Typical Applications

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


Fastening wood to metal

Dormer G2361 Set Includes (Diameters)

6.3 mm

8.3 mm

10.4 mm

16.5 mm

20.5 mm


Can you use this with a power drill?

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

Attribute Value
Number of Pieces 6
Number of Flutes 3
Countersink Angle 90°
Largest Head Diameter 20.5mm
Smallest Head Diameter 6.3mm
Material HSS
Kit Contents 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm
13 In stock for delivery within 3 working days
Price Each
SGD 200.32
(exc. GST)
SGD 214.34
(inc. GST)
Per unit
1 +
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