







⚡ Drill Smarter, Not Harder — Unlock Precision & Power in Every Step!
The Bestechno Titanium Nitride Coated High Speed Steel Step Drill Set features three durable HSS 4241 bits with a friction-reducing titanium coating. Designed for versatility, these step drills cover hole sizes from 4mm to 32mm, suitable for steel, brass, wood, and plastics. The hex shank ensures a secure fit, making this set an essential upgrade for professionals seeking efficiency and longevity in their drilling tools.
W**R
Five Stars
good bit for a great price.
A**R
alright
only used them a couple times.. it does the job
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