Cutting Tools Outlet Guides

Overheating usually comes from speed, pressure, dull edges, poor chip removal or insufficient lubrication.

Stainless steel can work harden when the tool rubs, dwells or loses its edge.

A rough hole may come from a dull edge, vibration, poor chip evacuation or an unsuitable geometry.

A left-hand drill may create the pilot without releasing the fastener when corrosion, preload or poor centering remains.

Long aircraft drills provide reach for deep or obstructed holes but need support and controlled feed.

Cobalt jobber drills are commonly selected when stainless steel creates more heat and work-hardening risk.

Hardened steel demands suitable geometry, edge strength and controlled cutting conditions.