Ngahasilkeun versi leuwih kompleks tina kalimah ieu bit bor puseur wander gampang saperti nanaon sejenna di bor kakuatan leungeun-dicekel.
Tangtu, vérsi anu leuwih kompleks tina kalimah nyaéta "Center drill bits wander as easily as anything else in hand-held power drills -- so for such operations, a center punch is often used to spot the planned hole center prior to drilling a pilot hole".