$42.99 $85.99
Achieve perfect, non-damaging sinkholes effortlessly with this third-generation semi-automatic adjustable countersink drill bit, designed to stop immediately upon contact for professional results.
Material: Aluminum Alloy Body, 4241 Carbon Steel Head
Service Life: 1000+ Holes
Drill Type: Four-blade Tapered Sinkhole Drill

Ensure the limit ring is properly tightened using the manual adjustment mechanism before operation to maintain a consistent drilling depth.