Counterbores

Counterbore, or counterbore cutters, are drill-bits used to make counterbore holes, which is a way of creating a flat-bottomed extension of an existing hole in a material. The counterbore cutter will essentially create a cylindrical cavity at the head of an already drilled hole. This allows the hole to accommodate flat bottomed screw or bolts so that they sit flush to the surface of the material, rather than protruding, while still able to perform their function to the fullest.

The reasons for desiring a counterbore of sunken screw are many. There are aesthetic reasons a manufacturer may want to hide the fixings, in furniture for example, but there are also aerodynamic reasons that are applicable to the aerospace industry.

Counterbores will often be made to be slightly larger than an accommodating bolt, to allow the use of socket wrenches or even screw caps.

Features and Benefits:
•Able to be used with conventional power tools


•No protruding fixings


•Increase aesthetic appeal of finished product

...
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Omschrijving Prijs Thread Size Pilot Diameter Pilot Length Cutter Diameter Cutter Length Shank Type Shank Diameter Overall Length Material
RS-stocknr. 508-9272
Fabrikantnummer05843
FabrikantEXACT
€ 11,21
Each
Aantal stuks
M5 5.5mm - 10mm - Plain 8 mm 80 mm HSS
RS-stocknr. 131-842
FabrikantRS PRO
€ 10,42
Each
Aantal stuks
M5 5.5mm - 10mm 18mm Plain 8 mm 80 mm HSS
RS-stocknr. 508-9288
Fabrikantnummer05842
FabrikantEXACT
€ 10,14
Each
Aantal stuks
M4 4.5mm - 8mm - Plain 5 mm 71 mm HSS
RS-stocknr. 522-7430
FabrikantRS PRO
€ 28,61
Each
Aantal stuks
M5 5.3mm 6.5mm 10mm 12.5mm Screwed 6 mm 70 mm HSS
RS-stocknr. 508-9036
Fabrikantnummer05841
FabrikantEXACT
€ 11,46
Each
Aantal stuks
M3 3.4mm - 6mm - Plain 5 mm 71 mm HSS
RS-stocknr. 131-864
FabrikantRS PRO
€ 9,53
Each
Aantal stuks
M4 4.5mm - 8mm 14mm Plain 5 mm 71 mm HSS
RS-stocknr. 131-886
FabrikantRS PRO
€ 10,77
Each
Aantal stuks
M3 3.4mm - 6mm 14mm Plain 5 mm 71 mm HSS
RS-stocknr. 131-858
FabrikantRS PRO
€ 19,24
Each
Aantal stuks
M8 9mm - 15mm 22mm Plain 12.5 mm 100 mm HSS
RS-stocknr. 508-9244
Fabrikantnummer05846
FabrikantEXACT
€ 22,59
Each
Aantal stuks
M10 11mm - 18mm - Plain 12.5 mm 100 mm HSS
RS-stocknr. 522-7452
FabrikantRS PRO
€ 45,15
Each
Aantal stuks
M8 8.4mm 9.5mm 15mm 19mm Screwed 10 mm 87.3 mm Steel
RS-stocknr. 508-9266
Fabrikantnummer05844
FabrikantEXACT
€ 11,95
Each
Aantal stuks
M6 6.6mm - 11mm - Plain 8 mm 80 mm HSS
RS-stocknr. 131-993
FabrikantRS PRO
€ 20,79
Each
Aantal stuks
M10 11mm - 18mm 22mm Plain 12.5 mm 100 mm HSS
RS-stocknr. 522-7480
FabrikantRS PRO
€ 64,21
Each
Aantal stuks
M12 13mm 13.5mm 20mm 25.5mm Screwed 12 mm 108 mm HSS
RS-stocknr. 132-031
FabrikantRS PRO
€ 46,30
Each
Aantal stuks
M12 14mm - 20mm 22mm Plain 12.5 mm 100 mm HSS
RS-stocknr. 131-870
FabrikantRS PRO
€ 11,28
Each
Aantal stuks
M6 6.6mm - 11mm 18mm Plain 8 mm 80 mm HSS
RS-stocknr. 522-7446
FabrikantRS PRO
€ 30,70
Each
Aantal stuks
M6 6.4mm 8mm 11mm 12.5mm Screwed 6 mm 76 mm HSS
RS-stocknr. 508-9250
Fabrikantnummer05845
FabrikantEXACT
€ 20,84
Each
Aantal stuks
M8 9mm - 15mm - Plain 12.5 mm 100 mm HSS
RS-stocknr. 522-7474
FabrikantRS PRO
€ 50,32
Each
Aantal stuks
M10 10.5mm 11mm 18mm 19mm Screwed 10 mm 89 mm HSS
RS-stocknr. 522-7424
FabrikantRS PRO
€ 26,09
Each
Aantal stuks
M4 4.3mm 5.5mm 8mm 12.5mm Screwed 6 mm 65 mm HSS
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