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Module Four: Specialist Electrician's Tools

Power Tool Accessories: Drill Bits 

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Drill Shank Types

Generally, it’s most likely to encounter 3 different drill bit shank types

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Hex shank (quick change shank) -  A Hex shank can be identified by its hexagonal shape, its shape prevents slippage when in use. They also have a recess around the circumference of the hex in order to lock into a drill driver.

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Straight shank – A Straight shank can be used with hand drills, easy and inexpensive to manufacture and cannot be used with an SDS or impact driver.

“Slotted Drive System” (SDS) - Utilises a bearing locking system with slots so that the bit can move in a hammering motion whilst in use. An SDS bit is strictly used with a rotary hammer drill.

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C.K® and Kasp® are registered trademarks of Carl Kammerling International Ltd. Avit™ is a trademark of Carl Kammerling International Ltd.

All text Copyright © Carl Kammerling International Ltd. 2008 

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