Dottie MD4XL 3/8" 12" Carbide Tipped Masonry Drill Bit

Make professional, dependable installations faster with the Dottie MD4XL 3/8" x 12" Carbide Tipped Masonry Drill Bit. Built for contractors and security integrators, this masonry drill bit delivers precise, clean holes in concrete, brick, cinder block and tile—ideal for mounting security cameras, surveillance brackets, conduit and network hardware. The carbide-tipped cutting head maintains edge retention for longer life and fewer bit changes, while the tempered carbon-steel body and black oxide finish resist wear and corrosion on the jobsite. At 3/8" diameter and 12" overall length, the MD4XL reaches deeper anchoring points and accommodates common anchors and fasteners used in monitoring and networking installations. Compatible with both rotary and percussion drills, it gives you the flexibility to tackle heavy-duty masonry without sacrificing control. RoHS-compliant and made to withstand repeated professional use, this Dottie masonry bit keeps your installs on schedule. Add the MD4XL to your toolkit for faster, cleaner holes on every security and infrastructure project—order now to outfit your crew.

• Drill confidently for security and surveillance installs: precision holes in concrete, brick and tile for reliable camera and bracket mounting
• Carbide-tipped cutting edge reduces wear and keeps a sharp bite to minimize re-drilling and downtime
• Tempered carbon-steel body with black oxide finish resists corrosion and extends bit life on every job site
• 12" length reaches deeper anchor points while the 3/8" diameter fits common anchors and fasteners for network and conduit runs
• Works in rotary or percussion drills for maximum versatility across installation and monitoring tasks