

Montolit FAJ12 1/2" Diamond Drill Bit
Montolit FAJ12 1/2" Diamond Drill Bit - Montolit Quality. Crafted for Daily Use
The Montolit FAJ12 Diamond Drill Bit is part of Montolit’s premium FAJ Series—purpose-built for drilling through the toughest tile surfaces with speed and accuracy. The vacuum-brazed diamond crown is engineered to bite aggressively into dense porcelain and natural stone while maintaining clean edges and minimizing breakout. Whether you're installing shower valves, mounting accessories, or making precision penetrations on large-format panels, the FAJ12 provides the stability and cutting power needed on professional jobsites.
Its robust steel body reduces vibration while staying perfectly balanced during use, helping prolong tool life and improving hole quality. Because it works wet or dry, installers can adapt instantly to jobsite conditions without sacrificing performance. The 1/2" diameter is ideal for common plumbing, wall anchors, and screw fittings, making this one of the most versatile sizes in the FAJ lineup.
Durable, fast, and installer-friendly, the FAJ12 is built to keep drilling clean holes long after standard bits fail.
Why Tile Pros Choose It
-
Fast penetration: Vacuum-brazed diamonds cut hard porcelain with ease.
-
Cleaner holes: Reduced chipping and dependable edge quality.
-
Wet or dry versatility: Performs consistently in any jobsite environment.
-
Strong, stable body: Minimizes vibration for smoother cuts.
-
Pro-grade lifespan: Designed to outlast conventional tile drill bits.
-
Perfect everyday size: Ideal for valves, anchors, clips, and hardware installs.
Original: $33.36
-65%$33.36
$11.68Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Montolit FAJ12 1/2" Diamond Drill Bit - Montolit Quality. Crafted for Daily Use
The Montolit FAJ12 Diamond Drill Bit is part of Montolit’s premium FAJ Series—purpose-built for drilling through the toughest tile surfaces with speed and accuracy. The vacuum-brazed diamond crown is engineered to bite aggressively into dense porcelain and natural stone while maintaining clean edges and minimizing breakout. Whether you're installing shower valves, mounting accessories, or making precision penetrations on large-format panels, the FAJ12 provides the stability and cutting power needed on professional jobsites.
Its robust steel body reduces vibration while staying perfectly balanced during use, helping prolong tool life and improving hole quality. Because it works wet or dry, installers can adapt instantly to jobsite conditions without sacrificing performance. The 1/2" diameter is ideal for common plumbing, wall anchors, and screw fittings, making this one of the most versatile sizes in the FAJ lineup.
Durable, fast, and installer-friendly, the FAJ12 is built to keep drilling clean holes long after standard bits fail.
Why Tile Pros Choose It
-
Fast penetration: Vacuum-brazed diamonds cut hard porcelain with ease.
-
Cleaner holes: Reduced chipping and dependable edge quality.
-
Wet or dry versatility: Performs consistently in any jobsite environment.
-
Strong, stable body: Minimizes vibration for smoother cuts.
-
Pro-grade lifespan: Designed to outlast conventional tile drill bits.
-
Perfect everyday size: Ideal for valves, anchors, clips, and hardware installs.





















