Drill Bit Set, 10 pcs Diamond Hole Saw Sets and 5 pcs Twist Drill Bits, HSS Tungsten Steel Tip Great for Ceramic Marble Granite Glass and Ceramic Tile Brick Wall

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Manufacturer Description

Twist drill bit set:

?Package quantity: 2x 6mm(1/4"), 1x 8mm(5/16"), 1x 10mm(3/8"), 1x12mm(1/2")

?Material: High quality tungsten carbide tip

?Shank: 3-flats shank

?Color: Black & Silver

?Used for: tile, concrete, brick, glass, plastic and wood, etc.

?Feature: High quality, durable, pricise drilling in various materials at same time,convinient for use with long life time.

?User Instruction: Tool-Power drill. Do not use impact mode of drill or hammers.

When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.

10pcs Diamond Coated Hole Saw Drill Bits:

?Package quantity: 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 14mm(9/16"), 16mm(5/8"), 18mm(11/16"), 22mm(7/8"), 35mm(1-1/6"), 40mm(1-1/2"), 50mm(2")

?Features:

- This diamond bit core drilling removes a complete circle glass, tiles, marble, granite, ceramic or other material and only needs water for lubrication
- Can be used with a standard electric drill (not included)
- Easy to use, high quality, good performance, long life
- Excellent for making clean and accurate hole on glass, tile and marble
- Always use lubricant (water), otherwise the diamond core drill will burn
- Start the hole diagonally, make a round trace and then hold drill drittoSpecifica

?If you smell burning, back off! Either your speed is too high or the pressure you're applying is too much. You're drill bit should never be hot to the touch, not even warm.
- Slowest speed
- Coolant
- Minimum pressure

The general rule is the smaller the diameter of your drill bit, the faster drill speed you can use. The harder your material, the slower drill speed you should use.

Product Features

?5 pcs twist drill bit set: 2x 6mm(1/4"), 1x 8mm(5/16"), 1x 10mm(3/8"), 1x 12mm(1/2") ?10 pcs diamond hole saw kit: 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 14mm(9/16"), 16mm(5/8"), 18mm(11/16"), 22mm(7/8"), 35mm(1-1/6"), 40mm(1-1/2"), 50mm(2") ?The twist drill bit set spear pointed design strong tungsten carbide tip can easily penetrate various materia l(tile, concrete, brick, glass, plastic and wood,etc) and reduces breakout; 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 ?The diamond drill bit set are high quality and good performance that excellent for making clean and accurate hole. Nickel-plated with a diamond dust coating offers superior performance and cutting strength. It can remove a complete circle from glass, marble, tiles, granite, ceramic or other. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably ?We stand by our drill bit set hole saw and back it with a lifetime product warranty. Your complete satisfaction is a priority for the Elifecity client support team, If you have any questions, don't hesitate to contact us

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