Can I use a hand drill for metal work, or do I need a drill press?
admin2025-08-09T18:32:24+00:00A hand drill works for most tasks, but a drill press gives more accuracy and control for precision work.
Why does my drill bit smoke when drilling metal?
admin2025-08-09T18:31:25+00:00Too much heat from high speed, no lubrication, or a dull bit. Slow down and use cutting oil.
How long should a metal drill bit last?
admin2025-08-09T18:30:23+00:00It depends on material, speed, and care—properly used, quality bits can last for hundreds of holes.
Can you drill aluminum with the same bit as steel?
admin2025-08-09T18:28:59+00:00Yes, but aluminum is softer—use higher speeds and keep the bit clean to avoid clogging.
How do you sharpen metal drill bits?
admin2025-08-09T18:27:19+00:00Use a bench grinder or drill bit sharpening tool to restore the cutting edge.
What are the different coatings on metal drill bits for?
admin2025-08-09T18:13:24+00:00Coatings like titanium nitride reduce friction, resist wear, and extend bit life.
Do you need a pilot hole when drilling metal?
admin2025-08-09T18:12:22+00:00For larger holes, yes—a smaller pilot hole makes drilling easier and more accurate.
How do you prevent drill bits from slipping on metal?
admin2025-08-09T18:11:53+00:00Mark the spot with a center punch to give the bit a starting point.
What is the best drill bit for hardened steel?
admin2025-08-09T18:11:16+00:00Carbide-tipped or solid carbide bits, or high-quality cobalt bits with proper technique.
Which is better for metal, HSS or cobalt drill bits?
admin2025-08-09T18:09:46+00:00Cobalt is better for tough metals; HSS is fine for softer metals and is less expensive.