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Diamond Drill Bits

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DiamondSure Tile Drill Bits

DiamondSure
Original price $17.99 - Original price $58.49
Original price $17.99 - Original price $58.49
Original price $17.99
$12.53 - $40.90
$12.53 - $40.90
Current price $12.53
In stock

Diamond Sure bonded diamond core tile drill bits are designed to drill in the hardest surfaces or the most delicate and fragile. DiamondSure tile b...

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Original price $17.99 - Original price $58.49
Original price $17.99 - Original price $58.49
Original price $17.99
$12.53 - $40.90
$12.53 - $40.90
Current price $12.53
Save up to 30% Save %

Montolit FAJ06 1/4" Diamond Drill Bit

Montolit
Original price $32.25 - Original price $32.25
Original price
$32.25
$32.25 - $32.25
Current price $32.25
Out of stock

Montolit FAJ06 1/4" Diamond Drill Bit — The Everyday Anchor Hole, Done Clean The 1/4" hole is the one you drill all day — anchors for shelving, gra...

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Original price $32.25 - Original price $32.25
Original price
$32.25
$32.25 - $32.25
Current price $32.25

BIHUI Quick Change Diamond Drill Bits

BIHUI
Original price $13.95 - Original price $15.95
Original price
$13.95 - $15.95
$13.95 - $15.95
Current price $13.95
In stock

BIHUI Quick Change Diamond Drill Bits — Swap Sizes Instantly, Drill Clean Holes Stopping to chuck and re-chuck bits between hole sizes wastes time ...

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Original price $13.95 - Original price $15.95
Original price
$13.95 - $15.95
$13.95 - $15.95
Current price $13.95

RTC Porcelain Pro Diamond Bits

RTC
Original price $119.00 - Original price $259.00
Original price $119.00 - Original price $259.00
Original price $180.00
$119.00 - $185.00
$119.00 - $185.00
Current price $119.00
Backordered

RTC Porcelain Pro Diamond Bits — Clean, Fast Holes in the Hardest Tile Hard porcelain, glass, and granite are where cheap bits wander, chip the fac...

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Original price $119.00 - Original price $259.00
Original price $119.00 - Original price $259.00
Original price $180.00
$119.00 - $185.00
$119.00 - $185.00
Current price $119.00
Save up to 29% Save %

Montolit FAJ05 3/16" Diamond Drill Bit

Montolit
Original price $32.25 - Original price $32.25
Original price
$32.25
$32.25 - $32.25
Current price $32.25
Out of stock

Montolit FAJ05 3/16" Diamond Drill Bit — Precise Small Holes Without the Cracks Small holes are the ones that bite back. A 3/16" pilot or trim anch...

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Original price $32.25 - Original price $32.25
Original price
$32.25
$32.25 - $32.25
Current price $32.25

Montolit FAJ08 5/16" Diamond Drill Bit

Montolit
Original price $35.89 - Original price $35.89
Original price
$35.89
$35.89 - $35.89
Current price $35.89
In stock

Montolit FAJ08 5/16" Diamond Drill Bit — Detail Holes That Stay Sharp The in-between sizes are where cheap bits quit early — a 5/16" hole in dense ...

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Original price $35.89 - Original price $35.89
Original price
$35.89
$35.89 - $35.89
Current price $35.89

Montolit FAJ10 3/8" Diamond Drill Bit

Montolit
Original price $35.89 - Original price $35.89
Original price
$35.89
$35.89 - $35.89
Current price $35.89
In stock

Montolit FAJ10 3/8" Diamond Drill Bit — Bigger Anchors, Same Clean Edge Step up to 3/8" and the stakes rise with the diameter — more material to re...

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Original price $35.89 - Original price $35.89
Original price
$35.89
$35.89 - $35.89
Current price $35.89

Montolit FAJ12 1/2" Diamond Drill Bit

Montolit
Original price $36.70 - Original price $36.70
Original price
$36.70
$36.70 - $36.70
Current price $36.70
Out of stock

Montolit FAJ12 1/2" Diamond Drill Bit — Valve and Hardware Holes on Big Panels Half-inch holes tend to land on the cuts that matter — a shower valv...

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Original price $36.70 - Original price $36.70
Original price
$36.70
$36.70 - $36.70
Current price $36.70

Diamond Drill Bits for Tile, Porcelain, and Stone

Diamond drill bits are essential for clean, precise drilling in hard tile materials such as porcelain, ceramic, natural stone, and glass. Designed for professional tile installers, diamond drill bits grind through dense surfaces without cracking or chipping, making them the most reliable tile drill bit for modern installations.

At Tile ProSource, our Diamond Drill Bit Collection is built to deliver chip-free performance, minimal vibration, and extended tool life. Whether you are drilling anchor holes or clean cut-outs for plumbing and fixtures, these premium diamond drill bits provide consistent results you can trust on every job.

Why Use Diamond Drill Bits for Tile Installation

Tile and porcelain surfaces are hard and brittle, which makes standard drill bits unreliable. Diamond drill bits are engineered to maintain controlled cutting performance on demanding materials while reducing heat and tool wear.

Benefits include:

  • Clean, round holes with minimal chipping

  • Reduced risk of tile cracking

  • Smooth cutting edges for precise drilling

  • Long service life under professional use

  • Suitable for wet or dry drilling applications

Available in multiple diameters, these diamond drill bits are ideal for porcelain, ceramic, marble, granite, and glass tile installations.

Shop Professional Diamond Drill Bits at Tile ProSource

Tile ProSource stocks diamond drill bits trusted by professional tile setters who demand accuracy, durability, and dependable performance. No gimmicks or shortcuts, just professional-grade diamond drill bits designed to help you work cleaner, drill faster, and finish every installation with confidence.