Best Hole Opener Drill Bits

YaeKoo Square Hole Mortise Chisel Drill Bit Set, HSS Woodworking Hole Saw Mortising Chisel Hole Drill Bits 6/25\ 1/4\ 5/16\ 3/8\ 2/5\ 1/2\ 9/16\ (7 pieces)

  • This item includes 7 different sizes mortise chisel drill bit 6/25 inches (6 mm), 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 2/5 inches (10 mm), 1/2 Inch (12.7mm), 9/16 Inch (14mm). They can meet your different ordinary need. Each square hole drill bit is packed in a single plastic case, easy to maintain..
  • These square hole mortise chisels drill bit are made of high-speed steel / HSS, with heat treatment, high hardness, lengthened core, high concentricity features..
  • These 7 pieces woodworking morstising chisel bits is with high performance flute design geometry, which can offer superior chip extraction..
  • These woodworking drill bits are with long drill core and square chisel, which allow you to lock the hole on the wood easily, can reduce labors, speed up the construction speed, reduce construction costs..
  • These woodworking morstising chisel bits can be used with most mortise and drill accessories. They are widely used for woodworking aspects in construction, installation, renovation, decoration industry, etc..
Check Stock

Diamond Drill Bit Tile Hole Saw Set, 16 PCS Hole Core Drill Hole Saw Kit with Adjustable Hole Saw Guide Jig Fixture and Ultimate Triangle Drill Bits Set for Tile, Ceramic, Glass, Porcelain, Marble

  • Diamond Drill Bit Set Various Sizes - Set include 10 holes saw drill bits+1 hole saw guide clamp+1 screwdriver driver + 4 triangle bit. 10 Sizes Diamond hole saw : 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm,made of high-strength carbon steel, the integrated steel structure makes these diamond drill bits more durable. Diameter of triangle bit: 6mm, 8mm, 10mm, 12mm..
  • Rustless & Durable: This diamond drill bits are made of high strength Carbon Steel with smooth nickel plating surface. Each diamond hole saw was coated with high quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably..
  • Adjustable Fixture - Adjustable hole saw drilling guide fixture with suction cup-the maximum opening length of the board is 3-1 / 4 ", which is large enough to fit in all size hole saws. Movable ball bearings, two modes (fixing 3 or 4 bearings) are your choice, just flip the board..
  • The large clearance holes along the drill bit help the entry of cooling water and the escape of chips and other particles from the borehole, ensuring smooth punching and making the drilling pro....
Check Stock

12 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, Premium Glass Drill Bit for Bottles, Pots, Marble, Granite Stone, Tile Cutting 0.16 Inch - 1.18 Inch(4 mm - 30 mm)YLYL

  • 12 PCS DIAMOND HOLE SAW DRILL BIT SET INCLUDES: 0.16“/4mm(2pcs), 0.23“/6mm, 0.31“/8mm, 0.39“/10mm, 0.47”/12mm, 0.55“/14mm, 0.62”/16mm, 0.7“/18mm, 0.78”/20mm, 0.86”/22mm, 1.18“/30mm. The different sizes glass cutting drill bit to meet you various demands!.
  • SUPER MATERIAL: Glass drill bit for bottles are made of industrial grade carbon steel, sharp, fine workmanship and super wear-resistant, extended service life. Glass cutting drill bit are high quality and good performance that excellent for making clean and accurate hole..
  • WIDE USAGE: Diamond hole saw drill bit set kit removes a complete circle from glass, marble, tiles, granite, ceramic or other. Perfect for drilling glass, porcelain tile, granite, bottles, wood, blocks jars, ceramic marble and and other hard surfaces etc..
  • DIAMOND DRILL BITS FOR CERAMIC TIP: When you using the diamond hole saw, please use iubrication (water), iubrication will extend drill bits life..
  • SATISFACTION GUARANTEED: Our team is committed to providing every customer with good products and satisfactory service. If there are any probl....
Check Stock

Fulton 6 inch Long Forstner Bit Extension For Adding Over 5-5/8 inches of Drilling Depth To Your Forstner Bit. For Wood Turners, Furniture, Carpentry and Construction

  • Drilling with forstner bits to achieve a flat bottom hole or to start a deep hole turning project like on a larger vase or vessel is essentially impossible with a standard length forstner bit. To remedy this issue we have developed a heavy duty steel extension that allows you to secure a 3/8 inch shank forstner bit into the end collet..
  • The forstner bit extension gives you additional 5-5/8 inches of reach to bore deeper into your projects. This will help you create larger diameter starter holes or help when you need to drill in just a little further than the standard bit length will allow. The extension can be used with forstner bits on drill presses, lathes with a drill chuck installed (drill chuck not included) or with a power drill..
  • One of the most common uses for the forstner bit extension is for woodturners who need to bore out starter holes on larger vessels. However, the extension works exceptionally well for projects like salt shakers, pepper mills or even wood turned beverage mugs. Contractors use the extension when they need to bore deep holes for running cables or wires and they also use it for joining larger timbers..
  • The forstner bit extender is made from solid, heavy duty machined steel. It is designed to be used with forstner bits only. ....
Check Stock

ZRM&E 8pcs 14mm Laboratory Keck Clamp Plastic Lab Keck Clips for Glass Standard Conical Interface Clip Ground Glass Joint, Green

  • 【Glass Drill Bit】These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp.
  • 【High Quality Drill】Each hole is treated with smooth and accurate surface treatment,and the top oh the hole is thickened to achieve excellent cutting strength.
  • 【Tile Hole Saw 15 Sizes】 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm,to meet various demands.
  • 【Wide Usage】Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces.
  • 【Attention】Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life..
Check Stock

Drilax Core Drill Bit Arbor Adapter for Threaded Diamond Hole Saw 3/8 Triangle to 5/8 11 Male Drill Sanding Attachment Arbor Shaft Adapter

  • STANDARD DRILL CHUCK Adapter for 5/8-11 threaded core bits to regular 3/8 inch shank. Also known as the 5 8 male adapter or core bit adapter or arbor....
  • Arbor adapters CONVERT and TRANSFORM - 5/8" - 11 Thread to 3/8 inch Triangle Shank for Standard Drill Use For marble polishing kit, polishing wheel....
  • Twist Resistant Alloy- Most Diamond Core Masonry Bits, tile drill bits, stone polishing kit, granite polishing kit, diamond polishing pads, diamond....
  • Standard drill chuck adapter or core drill bit adapter will help you use your own standard drill with drill grinding bit and drill bit core. Connects....
  • Drill bit adapter for granite, concrete, glass, brick. Use your diamond core bits for granite or diamond hole saw for grinder with standard drill. Now....
Check Stock

Fulton 10 inch Long Forstner Bit Extension for Adding Over 8\ of Drilling Depth to Your Forstner Bit Ideal for Wood Turners Furniture Carpentry and Construction (3/8 inch Collet)

  • Drilling with forstner bits to achieve a flat bottom hole or to start a deep hole turning project like on a larger vase or vessel is essentially impossible with a standard length forstner bit. To remedy this issue we have developed an extra long, heavy duty steel extension that allows you to secure a 3/8 inch shank forstner bit into the end collet..
  • The forstner bit extension gives you additional 8-1/2 inches of reach to bore deeper into your projects. This will help you create larger diameter starter holes or help when you need to drill in just a little further than the standard bit length will allow. The extension can be used with forstner bits on drill presses, lathes with a drill chuck installed (drill chuck not included) or with a power drill..
  • One of the most common uses for the forstner bit extension is for woodturners who need to bore out starter holes on larger vessels. However, the extension works exceptionally well for projects like salt shakers, pepper mills or even wood turned beverage mugs. Contractors use the extension when they need to bore deep holes for running cables or wires and they also use it for joining larger timbers..
  • The forstner bit extender is made from solid, heavy duty machined steel. It is designed to be used with forstne....
Check Stock

STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

  • 【Premium True 5% Cobalt Steel with 68 HRC】- The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life..
  • 【Split Point Design and Fully Ground Process】- Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws..
  • 【3X Efficiency + 3X Tool Life】- This Cobalt High Speed Steel Drill Bits Set is Typically Capable of Running 3 Times Faster. Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes..
  • 【Sharp Drill Bit Edge】- This Kind of Drill Bits Beast Can Even Cut Hardened Metal into Long Iron Bars, While a Dull Drill Bit Can Just Slowly Wear Through Metal..
  • 【13 Pieces Jobber Length Industrial Drill Bits Includes】:1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4 [DIA 1/64 Inch Increments].
Check Stock

Square Hole Drill Bit, Steel Hardness Sharp Durable Mortising Chisel Set 1/2-Inch, 1/4-Inch, 3/4inch, 3/8-Inch, 5/8-Inch, 5/16-Inch, 9/16-Inch Woodworking Mortiser Drill Bit-7pcs

  • 【Sharp】-These square hole drill bits made of bearing steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. Note: If for drill press to use, must have a mortising attachment (Not Included)..
  • 【Easy to use】Our woodworking morstising chisel bits set Only use for the opening square hole and keyhole drill -- Square hole drill can not be used on an electric drill, bench drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use..
  • 【Very cost-effective】-- Mortise and tenon square hole drilled by SaferCCTV + outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie.
  • 【Different Size】Drills precise holes with little pressure -- Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements - 1/2-Inch(12.7mm), 1/4-Inch(6mm), 3/4inch(19mm), 3/8-Inch(9.5mm) , 5/8-Inch(16mm), 5/16-Inch(8mm), 9/16-Inch(14mm)..
  • 【After- sale Service】Unique service can make you rest assured to buy--(1)Warranty 14....
Check Stock

amoolo Countersink Drill Bits Set 7Pcs, Counter Sink Drill Bit for Wood, Woodworking High Carbon Steel Carpentry Bit with Chamfering Combination Pedestal, 1 Free Hex Key Wrench Attached

  • 【IDEAL COMBO SET】 A set of 7 countersink drill bits with 7 drill size, φ7/64”(3mm), 5/32”(4mm), 13/64”(5mm), 1/4”(6mm), 9/32”(7mm), 5/16”(8mm) combine with 19/32”(15mm) countersink pedestal, 13/32"(10mm) combine with φ45/64"(18mm) countersink pedestal. A 1/10"(2.5mm) free hex key wrench. Come with a portable plastic case for easy select, storage and organization..
  • 【PREMIUM QUALITY】Made with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects..
  • 【EFFICIENT DESIGN】3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling.
  • 2-spiral flute makes chip removing easy and efficient.
  • 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness..
  • 【MULTIPLE APPLICATION】 Perfect for Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals. Suitable for hand drill, bench drill and electric drill. The drilling depth of countersink drill bits are adjustable by screws with various lengths.
  • Meanwhile, their bits are removable for easy cleaning, sharp....
Check Stock