Countersinks

Countersink cutter drill bits are designed to fit directly into manual, electric and cordless drill driver attachments and have hexagonal or round shanks. Countersink cutters are used to create a chamfer around the rim of a pilot hole enabling the head of a countersunk screw to sit flush. Countersink cutters can also be used to remove the burr left from a drilling or tapping operation.


Types of Countersink Cutters



  • Cross-Hole Countersink Cutter: These have a hole that goes through the side of the cone that provides the cutting edge. These countersink cutters are suitable for deburring and can also be used in soft materials such as wood or plastic to create a countersunk hole. The design of these countersink cutters means that they are free from mechanical vibration or 'chatter' and they also stay in the centre.

  • Fluted Countersink cutter: These have fluted blades that produce a heavy chamfer to create the correct seating for a countersunk-head screw. Countersink cutters are available with six different cutting angles but the most common are 82° and 90°. The number of flutes on the countersink cutter can also vary.

  • Single fluted: These have less chatter or mechanical vibration than multi-fluted and are ideal for use in small holes for general-purpose countersinking, chamfering and deburring. These are designed for machine use and light portable work when operating at higher speeds.

  • Three fluted: These are designed for a chatter-free performance and are used mainly in portable applications at slower speeds. The design of these countersinks gives them a good centring ability.

  • Four fluted: These have good radial relief

  • Five Fluted: These have a rugged design and the odd number of flutes minimises chatter.

  • Six fluted: These are ideal for producing fast shearing cuts.


These countersink cutter drill bits are made from HSS (High-Speed Steel) which can withstand high temperatures without losing its hardness.


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Description Price Drill Bit Type Head Diameter Countersink Angle Number of Flutes Material Overall Length Number of Pieces Shank Diameter Shank Length
RS庫存編號 123-1853
製造零件編號104650
BrandWera
TWD3,987.00
單位
Countersink Set 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm - 3 - - 8 - -
RS庫存編號 123-1857
製造零件編號104655
BrandWera
TWD3,884.00
單位
Countersink Set 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm 90° - HSS - 8 - -
RS庫存編號 456-898
BrandRS PRO
TWD816.00
單位
Countersink 12mm - 3 HSS 120 mm 1 - -
RS庫存編號 218-618
BrandRS PRO
TWD2,348.00
單位
Countersink Set 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm 90° 5 HSS - 6 - -
RS庫存編號 508-9014
製造零件編號05426
BrandEXACT
TWD3,047.00
整套:1 個
Set(s)
Countersink Set 2 mm, 5 mm, 10 mm, 15 mm, 20 mm 90° - HSS-E - 4 - -
RS庫存編號 215-467
BrandRS PRO
TWD2,757.00
單位
Countersink Set 2 mm, 5 mm, 10 mm, 15 mm, 20 mm 90° - HSS - 4 - -
RS庫存編號 812-6012
製造零件編號G2363
BrandDormer
TWD7,326.00
單位
Countersink Set 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm 90° 3 HSS - 6 - -
RS庫存編號 215-518
BrandRS PRO
TWD1,721.00
單位
Countersink Set 2 mm, 5 mm, 10 mm, 15 mm, 20 mm 90° - HSS - 4 - -
RS庫存編號 508-9058
製造零件編號05527
BrandEXACT
TWD2,724.00
整套:1 個
Set(s)
Countersink Set 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm 90° 3 HSS - 6 - -
RS庫存編號 456-905
BrandRS PRO
TWD1,547.00
單位
Countersink 25mm 90° 3 HSS 145 mm 1 - -
RS庫存編號 508-8982
製造零件編號05649
BrandEXACT
TWD3,264.00
整套:1 個
Set(s)
Countersink Set 20.5mm 90° 3 HSS - 9 - -
RS庫存編號 215-423
BrandRS PRO
TWD483.00
單位
Countersink 5mm 90° - HSS 45 mm 1 6 mm 32mm
RS庫存編號 812-6034
製造零件編號G57020.5
BrandDormer
TWD3,240.00
單位
Countersink 20.5mm 90° 3 HSS 63 mm 1 10 mm -
RS庫存編號 508-9799
製造零件編號05515
BrandEXACT
TWD333.00
單位
Countersink 12.4mm 90° 3 HSS 56 mm 1 8 mm -
RS庫存編號 673-8704
BrandRS PRO
TWD402.00
單位
Countersink 10.4mm 90° 3 HSS 50 mm 1 6 mm 36mm
RS庫存編號 499-413
製造零件編號4405720
BrandEXACT
TWD966.00
單位
Countersink 20.5mm 90° 3 HSS-E 63 mm 1 10 mm -
RS庫存編號 509-0014
製造零件編號05513
BrandEXACT
TWD313.00
單位
Countersink 10.4mm 90° 3 HSS 50 mm 1 6 mm -
RS庫存編號 218-573
BrandRS PRO
TWD785.00
單位
Countersink 20mm 90° 5 HSS - 1 - -
RS庫存編號 666-7404
製造零件編號G1366.3
BrandDormer
TWD793.00
單位
Countersink 6.3mm 90° 3 HSS 45 mm 1 5 mm -
RS庫存編號 218-646
BrandRS PRO
TWD756.00
單位
Countersink 16mm 90° 3 HSS - 1 - -