Reviews Overburden Drilling

5PCS Dry Diamond Drill Bits Set for Granite Ceramic Marble Tile Stone Glass Hard Materials (not for Wood), Round Shank 1/4, 5/16, 3/8, 1/2 inch

  • Specifications : drilling holes diameter of 2PCS 1/4 inch(6mm), 3/8inch (10mm), 5/16inch (8mm) and 1/2inch (12mm).
  • Versatile: Great for drilling clean holes to hard materials especially tile, glass, slate, marble, granite and other stones (not for wood).
  • Dry Drilling Design: Diamond Drill Bit integrated with cooling wax inside which melts while dry drilling and cools the cutting surface lubricating.
  • No need to add water, direct dry drilling（When dry drilling, be careful not to drill continuously. After drilling a hole, wait for the hole opener to cool down before continuing to drill.
  • when adding water, you can drill continuously to prolong the life of the bit）.
  • Compatibility: compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill。（Hand Drill: need more than 48V power model.
  • Angle Grinder: need to adapt to the adapter.
  • Bench Drill: need more than 600W power model）.
  • Worry Free: If you encounter any problems in using the products, please feel free to contact us for satisfactory customer service.
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GONGJU31 M14 Marble Drill Bit 6-35mm Hole Saw Angle Grinder Diamond Drilling Hole Saw Cutter tool Home Improvement (Color : 8mm)

  • It has proven capability and durability..
  • 6mm-35mm M14 Marble Drilling Bit Angle Grinder Diamond Drilling Hole Saw Cutter tool.
  • - This Brazed Drilling Core Bit is mainly secondhand for Angle grinder..
  • - Strong opening performance, fast drilling speed, smooth drilling without unseamed..
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GONGJU31 M14 Marble Drill Bit 6-35mm Hole Saw Angle Grinder Diamond Drilling Hole Saw Cutter tool Home Improvement (Color : 6mm)

  • It has proven capability and durability..
  • 6mm-35mm M14 Marble Drilling Bit Angle Grinder Diamond Drilling Hole Saw Cutter tool.
  • - This Brazed Drilling Core Bit is mainly secondhand for Angle grinder..
  • - Strong opening performance, fast drilling speed, smooth drilling without unseamed..
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GONGJU31 M14 Marble Drill Bit 6-35mm Hole Saw Angle Grinder Diamond Drilling Hole Saw Cutter tool Home Improvement (Color : 22mm)

  • It has proven capability and durability..
  • 6mm-35mm M14 Marble Drilling Bit Angle Grinder Diamond Drilling Hole Saw Cutter tool.
  • - This Brazed Drilling Core Bit is mainly secondhand for Angle grinder..
  • - Strong opening performance, fast drilling speed, smooth drilling without unseamed..
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BAOSHISHAN 280W Pearl Drilling Machine Coral Driller Amber Holing Machine Upgrade Large Plastic Pallets Full Set Speed Adjustable 110V

  • SAVE TIME FROM HAND DRILLING - Our pearl drilling machine can make a accurate holing on precious stone as pearl, coral, amber and ornaments components such as gold, silver and copper from 0.2''-1.37''. Only takes 30s to punch a pearl, save you a great deal of time from hand drilling..
  • VARIOUS ACCESSORIES SATISFT DIFFERENT NEEDS - This pearl drill is equipped with 20 pairs of special collets, which is suitable to the pearls in round shape, "" shape, square shape and other special shapes. It also comes with tungsten-steel drilling needle(the size of needle is delivered randomly)..
  • TWO SIMPLE OPERATION - You can plug directly into the 110V and turn the switch to 1/2 or 3/4 position to adjust the speed and start the continuous work. Or connect the foot switch to control the pearl drilling machine for an an intermittent work, allowing you to focus on the drlling and create perfect crafts..
  • MANUAL SYMMETRICAL DRILLING - Bead reverse knob can flip the pearl to keep the drilling symmetrical. You just need to drill half way through and then flip the pearl to drill the other half of the way through. Also, the knob is a magnetic design that doesn't require much effort at all..
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TALOOS 2-1/2″ Wet Drill Core Bits for Concrete and Hard Masonry, Diamond Core Drill Bits for Marble, Granite, Rocks and Bricks | 15-3/4″ Drilling Depth, 10mm Segment Height, 1-1/4″-7 Arbor | Wet Only

  • 【DIAMOND WET CORE DRILL BIT】It comes with a 2-1/2″ Wet Drill Core Bits. This core bit can be used for wet drilling to meet your work needs. Start drilling from a vertical position and continue digging deeper. A small amount of water can extend Long life. If you are looking for a reliable core drill, this is a good choice!.
  • 【WILDLY COMPATIBILITY】The size of this wet drill core bits is 2.5″/63mm Diameter & 15-3/4″ Drilling Depth & 1-1/4″-7 Arbor, 1-1/4″-7 universal thread let it can be easily and quickly assembled to a standard stationary coring machine or a handheld drill. 15-3/4″ drilling depth can meet most drilling depth needs. It also works with a variety of devices, easy to carry, greatly helping you with drilling tasks..
  • 【UPGRADED DESIGN】Our diamond wet core drill bits feature chip removal holes, not easy to be stuck when drilling. Adopt highly regular serrations, and concentric shaft design, the innovative design enables high drilling performance while maintaining a long service life..
  • 【PREMIUM QUALITY】The drill body of this wet core drill is composed of 20 steel, and the drill tooth part is composed of Cobalt Powder & D92 Diamond, which can ensure a longer coring life. Better details and surface treatment technology t....
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Happybuy 10''/255MM Diamond Core Drilling Machine 4450W Wet Dry Diamond Core Drill Rig for Concrete Drilling Boring (Drill Bit Dia:4.25\/108MM)

  • 10 inch Max Drilling Diameter: Our core drilling machine generates extreme power because of its 4450W copper motor. Maximum Speed: 580RPM. Maximum Coring Diameter: 10"/255 mm. More importantly, the 4.25"/108 mm core bit in the picture is included..
  • Durable Construction: As the machine will work upside down, so water would unavoidable flow on to the drill machine. In this case, our drilling rig has a rustproof steel forged output shaft and waterproof copper water inlet for a long-lasting water supply..
  • Thoughtful Security Design: We also provide overload protection system and an upgraded cooling system. They are designed for avoiding burn-in and prolonging the service lifespan of the drilling press machine..
  • Ergonomic Handle & Stable Base: It features an ergonomic handle and large base support for effortless drilling or getting oblique holes. The aluminum guide rail makes the drill rig's movement more smooth and accurate..
  • Wide Application: The wet diamond core drilling rig can be widely used in drilling reinforced concrete, red brick, marble, and other materials. It is perfect for installing air conditioners, pipes, stair railings, and repairing highways, etc..
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HBKEEN Core Drill Bit for Concrete Diamond Laser Welded Core Bits 1-1/4"-7 Threaded for Hard Concrete Brick and Block (8 inch）

  • {Specification} 8 inches Laser Welded Diamond Wet Drilling Core Bits.
  • {Drilling Depth} 14" with mesh segments. Fast,smoothly, long life.
  • {Application} #30/40 diamond grit, designed for drilling concrete, reinforced concrete, hard brick, block and other hard masonry.
  • {Drilling method} Wet use only. Hand held drill, drilling machine.
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DGQ Pack of 3 Knob Handle Pull Drill Mounting Template for Cabinet Doors and Drawers

  • Orange Trasparent Material – Made of high quality tranparent plastic material with accurate scale, and the orange color makes this pull drill mounting template much easier to notice..
  • Great for Drawer & Door – Works great for 3″ (76mm), 3-3/4″ (96mm), and 5-1/32″ (128mm) handles. Used for drilling holes with precision for accurate placement, making installation easy..
  • Easy to Use – The DGQ Cabinet Door & Drawer Hardware Installation Template Kit allowS you to install your pulls and knobs flawlessly. Easy instructions included..
  • Value Pack – Package includes 1pc of cabinet knob drilling template（with size 5in by 5.75in).
  • 1pc of cabinet pull drilling template (with size 2.37 in by 7 in).
  • 1pc of 5mm Drill bit. The DGQ Drilling Template is perfect for many uses: T-Bars,Cap pulls, Knobs,etc..
  • A Must Have Tool – DGQ drilling template set is the perfect tool to ease all types of projects with accuracy. Normally used for drilling holes with precision toward accurate placement, making installation easy..
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35mm Concealed Hinge Jig Kit, Woodworking Tool Drill Bits Hinge Drilling Hole Router Jig for Cabinet Cupboard Door Installation

  • Hinge punching locator: This hinge drilling hole router jig kit is the most useful tool for using concealed hinges for your doors..
  • ABS plastic material: 35mm hinge drilling jig is made of high quality engineering plastic, this hinge hole drill guide is durable. This is a set of drill guide tool used for convenient hinge hole drilling, light and portable, easy to operate..
  • Easy to use: Suitable for their own home operation, do not need professionals. Simple to use with any drillno special tools needed. Make cabinet door installation easy..
  • Efficient high precision drilling: You may speed up 50% comparing with the traditional drilling method and can make all flat-bottomed holes of the exact size..
  • Application: 35mm hinge drilling jig comes with a 35mm forstner bit and depth stop. The concealed hinge jig is suitable for 35mm hinges..
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