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2025-12-05 10:04:38 -

Why a Raised Front Profile Is Added to the Crown of an Impregnated Core Bit

A raised front profile (also called a crown protrusion, front-end relief, or pre-set height) is a deliberate design feature at the leading edge of an impregnated diamond bit. It is added for several engineering reasons related to performance, wear, and drilling efficiency. 1. Faster Initial Penetration The front protrusion helps the bit cut into the formation sooner. When the bit is...

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