goldstarkitchen 
Best results for round bottom drill bit
Drill America 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" – 1/2" x 64ths), KFD Series
$49.99
$71.49
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- High-speed steel (HSS) provides hardness for wear resistance
- Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Comes in a plastic storage case
Freud 16 Pcs. Precision Shear Serrated Edge Forstner Drill Bit Set 1/4-Inch to 2-1/8-Inch (PB-100)
$218.45
$242.48
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Razor-sharp serrated edges give smooth and flat-bottom holes.
- Quality Forged Construction for extended life
- Ultra Sharp Spur to ensure an accurate starting hole
- Steep Angled Cutting Edges – produce holes that are smooth and flat, and create “chisel-like" curls for fast, clean chip removal.
- Freud's Limited Lifetime Guarantee
DEWALT DW1720 Brad Point Bit Set, 6-Piece
Freud FB-107 7-Piece Forstner Drill Bit Set
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Ideal bits for drilling in plywood, hard wood, and soft wood with handheld drills and drill presses
- Drill flat bottom holes, pocket holes, and overlapping holes
- Wood case for easy storage and protection
- 1/4-to-1-inch bits in 1/8-inch increments
- 1-year limited manufacturer's warranty
BOSTAL 18PCS Drill Bit Set M35 Cobalt Steel Twist Drill Set Jobber Length 1/16 3/32 1/8 1/4 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/65 1/4 bits Perfect for Steel and Stainless steel
$14.00
$20.44
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- No spin shanks and135-degree split-point reduces slip and walking, titanium Coating for greater wear protection and long life
- M35 cobalt steel, for fast cutting and life, up to 10time than the normal HSS bits.
- Super performance: Bostal Drill is one professional OEM Factory for famous brand
- High quality drill bits is prime. Perfect Suitable for drill holes in stainless steel, wood, alloy steel, nonferrous metal, cast iron and hard plastics.
BLENDX Diamond Hole Saws Kit -Tile and Glass Hole Saws Cutting Drill Bits for Bottle, Ceramics, Porcelain 1/4" – 2" (6-50mm) – 10 Pack
$17.99
$23.21
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Diamond hole saw / core drill style bit.
- 10 Sizes: 6mm, 8mm, 10mm, 14mm, 16mm, 18mm, 22mm, 35mm. 40mm, 50mm
- Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone
- SPEED KILLS: Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
- Warrnings: Not for use on Concrete or for depths beyond about 1/2"
Best Choice 8-Piece 1/2” Shank Silver and Deming Drill Bit Set in Aluminum Carry Case, High Speed Steel (HSS) | SAE Size 9/16” – 1” by 1/16th Increment
$27.99
$31.91
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
- Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
- 135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
20Pcs Forstner Drill Bits, Rocaris Tungsten Steel Woodworking Hole Saw Set, Wood Cutter Auger Opener Round Shank Drilling Cutting Tool (14mm-50mm)
$29.99
$34.79
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- 【High Quality Material】:The forstner drill bitsare made from tungsten steel and being hot-treated,sharp edge, high hardness, accurate positioning,high precision,smooth cutting,impact resistance,high toughness.more smooth,less noise.
- 【Various Sizes】: 14mm(0.55''), 15mm(19/32"), 16mm(5/8"), 17mm(43/64"), 18mm(45/64"), 19mm(3/4"), 20mm(25/32"), 21mm(53/64"), 22mm(55/64"), 23mm(29/32"), 24mm(15/16"), 25mm(1"), 26mm(1-1/16"), 28mm(1-1/8"), 30mm(1-3/16"), 32mm(1-1/4"), 35mm(1-3/8"),40mm(1-3/5"), 50mm(1.96'') which can meet your various needs in this professional set.
Migiwata 5/16 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 5pcs – Jobber Length and Straight Shank – Extremely Heat Resistant – Suitable for Repeated Drilling in Stainless Steel
$18.99
$23.36
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Cobalt Steel - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
Meterk 7PCS Masonry Drill Bit Set with Sandblasting Surface Treatment, Drills Through Concrete,Masonry, Carbide Tipped Bits, Round Shank etc (Silver)
$10.97
$12.73
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- 【Upgrated Design】Unique crown drill head for easy positioning when drilling. Rock carbide tip maximizes carbide surface contact for longer bit life.
- 【Efficient Design】Special bevel connection is designed for reducing resistance. Triangle Handle is designed for preventing slipping.
- 【Sandblasting Treatment】It enhances rust protection property through adopting special overall sandblasting treatment.
Angel Mall 10-Piece 6mm Multi-material Drill Bit Set, Tungsten Carbide Twist Drill Bitsfor Drilling in Tile, Glass, Concrete, Brick, Wood, and Plastic( For 1/4" Only)
$10.79
$14.57
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- ★Multi-material Drill Bit For Drilling in Tile, Glass, Concrete, Brick, Wood, and Plastic. Many in 1 easy install and using
- ★High Quality－Carbide with a reinforced head that prevents bit cracking and provides a longer lif.
- ★U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill.
- ★When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication
Diamond Drill Bit Set, DRILLPRO 10 PCS Glass Hole Saw for Tiles Glass Ceramic Marble Bottles DIY,6mm – 30mm
$8.39
$12.25
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- SMALL RESISTANCE: Small incision resistance, opening speed is quickly, easy removal of chips and other advantages.Also help to open accurately. Large chip holes to ensure that when the punching smooth, punching accurate.
- DURABLE: Nickel-plated with a diamond dust coating offers superior performance and cutting strength.Extended service life.This diamond drill bits are high quality and good performance that excellent for making clean and accurate hole.
Drilax™ 10 Pcs Diamond Drill Bit Set Hole Saws for Kitchen, Bathroom, Shower, Faucet Wet Drilling Tool Ceramic, Porcelain Tiles, Glass, Marble, Granite Hole Sizes 1/4", 3/8", 1/2" (0.5 Inch) , 3/4" , 1", 1 1/4", 1 3/8", 1 1/2", 1 3/4", 2"
$39.99
$53.99
Amazon.com
Last update was on: February 23, 2025 5:43 pm
- Diamond Drill Bit Tools 10 pcs Set 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 3/8, 1 1/2, 1 3/4, 2
- Best value set in durable zipper case. Great gift idea for any DIY lover.
- There is no need for a center pilot drill. These tools do not have center pilot drills.
- Diamond Coated Tools will work best if you use water to keep the tools cool. Pleasedo NOT run dry.
- Shank size is 3/8 - suitable for all common electric drillers. Max depth 1 inch.
