What is chuck size?
What is chuck size? |
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When selecting a cordless drill driver, you will probably come across the term ‘chuck size’. This refers to the maximum shank diameter the chuck will accept. | |||
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The shank diameter of a bit is the measurement across the centre of the shank. Hexagonal shanks are always measured across their flats. | |||
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The measurement for a straight shank’s diameter can be take from any point around the circumference. | |||
What size chuck do I need? |
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Cordless drill driver chucks come in the following sizes:
10mm (3/8 inch) |
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13mm (1/2 inch)
Quite simply, the larger your chuck size, the larger shank diameter it will accept. |
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Generally, if you want to drill holes larger than 20mm in diameter or drill into materials such as metal, then consider purchasing a drill driver with a 13mm chuck, to accommodate larger bits. | |||
