If you attempt to hand drill, use a non-rigid drill press, come in with too little pressure, use the wrong rpm, etc you are guaranteed to harden the exact spot you are trying to drill and damaging your drill bit.

Center drill vs spot drillsize

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Link Industries’ Spotting Drills are used for the purposes of chamfering, spot drilling, hole centering accuracy and countersinking. Spotting Drills come in various lengths, material types and point angles. Coatings are available to extend tool life and performance.

Center drill vs spot drillreddit

The LINK Spot drill design features a thin web to reduce walking and offer easy cutting. Ideal for chamfering, spot drilling, hole centering accuracy and countersinking. The LINK short drill design is offered in both HSS and Cobalt with an 82°/90°/120° point angle. Short drills are often used for chucking close to the point to ensure extreme accuracy. Additional coatings available upon request.

The difference in doing it correctly with all the setup is a 3 second drill job vs 10minutes of hell or not at all. Also make sure you use drill bit from a reputable supplier not harbor freight or amazon.

Equipment pictured may be shown with safety equipment removed or disabled for purposes of illustration. Equipment must never be operated with safety equipment removed or disabled.