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Shuangjia Dry Diamond Core Drill cheap Bits Hex Memphis Mall with Change 4pcs Quick

Shuangjia Dry Diamond Core Drill Bits 4pcs with Quick Change Hex

$9

Shuangjia Dry Diamond Core Drill Bits 4pcs with Quick Change Hex

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Product description

Specification:
Drilling holes diameter: 1/4, 5/16, 3/8, 1/2 inch
Shank: Hex Shank
Material: metal
Coated: diamond

How to Use:
1. Start Drilling the hole in an angle about 45 degrees to the surface, so the drill has the chance to start and will prevent the drill slipping
2. Slowly move the drill bit into a more up-right position and wobble the drill bit in the circular motion
3. Do not need to apply much pressure, let the drill bit do the work, you will feel the drill bit break through the back of the glass or tile once the hole is completed
4. Use diamond drill bit slowly, it may burn out if you use it too fast

Note:
1. DO NOT using for metal, tempered glass, wood.
2. DO NOT using hammer mode.

Pacage includes:
4 x Dry Diamond Hole Saw Drill Bits

Note:
1. Adapter is required for use on angle grinders (not included)
2. The recommended speed is above 2600mpr/m
3. Vertical drilling will damage the drill bit and reduce the service life of the drill bit

Shuangjia Dry Diamond Core Drill Bits 4pcs with Quick Change Hex

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