Metric HSS Counterbore Set

£62.40
Metric HSS Counterbore Set
£62.40
Metric HSS Counterbore Set Product code: 28-650-SET In stock £62.40  Inc. VAT
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Product Information

 

Metric HSS Counterbore Set

A counterbore is used to enlarge another hole, and is usually used when a fastener such as a cap-head screw is required to sit flush with or below the level of the workpiece's surface. This set of 4-flute HSS countersinks contains one each of the following sizes:

 

Screw Size Cutting Dia. Pilot Dia. Shank Dia.
M3 6.0 3.4 5.0
M4 8.0 4.5 5.0
M5 10.0 5.5 8.0
M6 11.0 6.6 8.0
M8 15.0 9.0 12.5
M10 18.0 11.0 12.5