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10 PCS Black Dry Diamond Drill Bits Set, Hex Shank Diamond Hole Saw Kit with Storage Bottle, for Granite Marble Tile Ceramic Stone Glass Hard Materials (Not for Wood) with Size 3/16'' to 1/2''

KWD 6
KWD 12
Brand
JOERIC
Weight
181 g
ColorBlack
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • Package Includes: 10 Pcs Of Dry Diamond Drill Bits With Different Drilling Diameters, Including2 Pc 3/16" (5mm) 3 Pc 1/4" (6mm), 2 Pc 5/16" (8mm), 2 Pc 3/8" (10mm), And 1 Pc 1/2" (12mm) ; Meet the needs of experiencing different drilling. Surface plating can prevent the drill bit from rusting.
  • Dry drilling design: Vacuum brazed diamond drill bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; water can be used as additional cooling to prolong the life of the bit.
  • For different kinds of materials: Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. Using water could prolong the lifetime.
  • Widely compatibility: Diamond coating increases drilling speed of the granite drill bits; hex shank is compatible with most machines, such as hand drills, , table drills; depth mark is also useful for precise projects.
  • Easy to carry and use: There is a storage bottle packaged together with the porcelain tile drill bits, which is helpful for preventing loss, meanwhile making the bits easy to use and store.

Description

What type diamond drill bit will you get?

High quality material
High hardness diamonds firmly attach the steel body by vacuum brazed technology.our diamond drill bit use high quality artificial diamonds which are sharp, thickened and durable.

Wax inside for cooling
There is a special cooling wax inside,which can cool and lubricate the drill bit while drilling.easily drill holes without help and take less time in drilling.

Hex shank quick change
Hex shank fit quick-change and lock firmly, suitable for any electric drill,hand drill,bench drill, preventing bits from slipping,improving your working efficiency.

Accurate positioninge
Not only multi-purpose drilling but also long time drilling.our diamond core drill bits can make accurate positioning and complete drilling holes in short time.

Specification:
Color: Black
Material: Carbide
Shank type: hex shank
Size: 3/16 inch (5mm), 1/4 inch (6mm), 5/16inch (8mm), 3/8inch (10mm), 1/2inch (12mm).

Steps to drill clean and precise holes:
1. Position the bit at a 45 degree angle to give the bit a chance to start and prevent the bit from slipping.
2. Slowly move the drill to a more upright position, continue drilling and wiggle the machine around.
3. You don't need to apply too much pressure for the drill to do the job. After drilling, you will feel the drill bit coming out of the back of the glass or tile.

10 pcs Package includes:
2 pc x Bit diameter of 3/16 inch(5mm) Diamond Drill Bit
3 pc x Bit diameter of 1/4 inch(6mm) Diamond Drill Bit
2 pc x Bit diameter of 5/16 inch (8mm) Diamond Drill Bit
2 pc x Bit diameter of 3/8 inch (10mm) Diamond Drill Bit
1 pc x Bit diameter of 1/2 inch (12mm) Diamond Drill Bit
1pc x storage bottle

Tips for using: 
In order to avoid overheating and damage to the drill bit, the maximum speed of the

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