Rock Solid 5 Piece Combined Center Drill Set With Countersink Bits For Lathe Metalworking 1/8 Inch Shank Made From Premium HSS 6542 Steel Built Tough For Precision Machining And Shop Grind Work

5 Piece Combined Center Drill And Countersink Set For Lathe
✔️ 1 8 inch shank 37 mm length 2 mm tip HSS steel five pc set

This five piece assortment of combined center drills and countersinks helps you mark exact starting spots on metal blanks before switching to twist drills or mounting stock on a lathe chuck. You will drop these straight into your electric drill or machine spindle to score precise conical centers that stop standard bits from wandering across hard steel or aluminum plates.

✅ Three point one eight mm one eighth inch shank fits standard collets
✅ Thirty seven mm one point four six inch body clears tight machine frames
✅ Two mm point zero seven nine inch cutting edge scores reliable pilot marks
✅ Heat treated seventy two rockwell resists dulling on repetitive grinding cycles
✅ Five piece pack covers common workshop runs saving swap time on busy floors

💡 What purpose does a center drill serve when marking starting points on heavy metal blanks?

A precise conical scorer locks the primary bit in place before heavier cutting begins.
- Short flute design eliminates drift while drilling pilot indentations across chrome plated surfaces
- Standardized angle aligns perfectly with live centers maintaining true rotation during rough stock shaping
- Hardened high speed steel construction resists heat buildup and keeps sharp profiles through repeated shop use
- Keeping handy spare tips in your toolbox saves serious time when tackling repeat orders of threaded rod prep✝️