The 7 Best Glass Drill Bits

Updated January 26, 2018 by Josh Darling

We spent 24 hours on research, videography, and editing, to review the top selections for this wiki. Glass is, perhaps self-evidently, difficult to drill, requiring a bit made of extremely hard material, a steady hand, and some water or lubricant to be done well in most circumstances. These pieces of hardware differ in shape and sometimes in purpose, but all will make a hole in glass without shattering it to pieces. Remember: due to the heat produced drilling glass, even the best won't last long. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best glass drill bit on Amazon.

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7. Brackit 6-Piece

Sold in a tasteful silver case, the Brackit 6-Piece is one of the least expensive sets in a category replete with entirely affordable products. These spade-tipped pieces do not, unfortunately, feature the gripping function that makes the best of their kind so popular.

Good for drilling smaller holes
Precise and narrow heads
Biggest bit still quite small

Brand	Brackit
Model	BK58
Weight	6.4 ounces
Rating	3.6 / 5.0

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6. SE Diamond Burrs

For those needing more fine-tuning instruments in their job, hobby, or craft, the SE Diamond Burrs are an excellent, inexpensive option to look into. These pieces come in a variety of shapes, including cones, balls, cylinders, and others.

Thirty piece set with 6 basic shapes
Useful for jewelers and lapidaries
Grit wears out quickly

Brand	SE
Model	8230DD60
Weight	4.3 ounces
Rating	4.9 / 5.0

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5. Neiko Diamond Grit

The Neiko Diamond Grit is both an excellent option on merits alone and a great value when considering the price. This five-piece set of hole saw pieces will cut smoother, cleaner holes than the typical spear bit, so long as the driller moves slowly and carefully.

Work well on curved glass
Nickel plating extends product life
Tend to wear down quickly

Brand	Neiko
Model	00823A
Weight	2.4 ounces
Rating	4.8 / 5.0

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4. Bosch GT2000

This spade-headed ensemble from one of the biggest names in power tools, the Bosch GT2000, is a set of four carbide-tipped pieces also recommended for use on some tiles. Their tips make it easier to begin a groove in the precise location of the soon-to-be hole.

Drills smaller than most hole saws
Spade bits reduce drifting
Prone to cracking curved glass

Brand	Bosch
Model	GT2000
Weight	0.8 ounces
Rating	4.1 / 5.0

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3. Blendx Diamond

The so-called Blendx Diamond is actually tipped with something known as silicon carbide, a substance a shade softer than diamond. Marketing hyperbole aside, this set of ten steel composite hole saw pieces will handle jobs needing a delicate touch easily.

Range from six to fifty mm diameter
Can be used gently with drill press
Large side holes facilitate cleaning

Brand	BLENDX
Model	FBA_bx-022
Weight	13.4 ounces
Rating	4.8 / 5.0

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2. Drillpro 15 Piece

One of the many sets of diamond-tipped hole saws out there, the Drillpro 15 Piece is notable as one of the largest of such on the market. More pieces means a greater variety of sizes of circles can be drilled, and that versatility lends this set to a range of uses.

Great price for kit size
Works on many different materials
Grit on tips keeps drill in place

Brand	DRILLPRO
Model	pending
Weight	6.4 ounces
Rating	5.0 / 5.0

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1. Bosch GT3000

The Bosch GT3000 is the tool company's expanded spear-headed kit, giving purchasers four more pieces than the previous iteration. Most of these new bits are larger than anything in the prior generation, while the small ones drill smaller than the narrowest hole saw.

Carbide-reinforced heads
Tips designed for steady entry
Comes with a handy case

Brand	Bosch
Model	GT3000
Weight	14.4 ounces
Rating	4.9 / 5.0

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Last updated on January 26, 2018 by Josh Darling

Born in historic Massachusetts, Josh is a freethinking young man with a heart of gold. Noted by many for his wit, grace, and humility, he enjoys reading, history, politics, videogames, baseball, and talking shop.

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