K1(10PCS): 

• 8-Piece Core Drill bits: 6/8/10/13/19/25/32/51mm(1/6",5/16",3/8",1/2",3/4",1",1-1/4",2")

• 1-Piece 10mm thread Finger Bit

• 1-Piece 5/8-11male thread To SDS Adapter

K2(7PCS):

• 5-Piece Core Drill bits: 19/25/35/45/51mm(3/4",1",1-3/8",1-3/4",2")

• 1-Piece 5/8-11 thread 20mm Finger Bit

• 1-Piece 5/8-11male thread To SDS Adapter

K3(7PCS):

• 6-Piece Core Drill bits: 25/35/45/51/65/76mm(1",1-3/8",1-3/4",2",2-1/2",3")

• 1-Piece 5/8-11 male thread 25mm Finger Bit

K4(9PCS):

• 8-Piece Core Drill bits:6/8/10/13/19/35/45/65mm

• 1-Piece 5/8-11 male thread To 3/8" Hexagon Shank Adapter

Specification:
1.Core Drill Bits:
Diameter 6/8/10/13mm：35mm Max working depth, 10mm Diamond height, Total Length 62mm,with Wax inside helps cooling the bits
Diameter 19/25/32/51mm：50mm Max working depth, 15mm Diamond height, Total Length 75mm
Core bits Arbor: 5/8-Inch-11

2. Diamond Finger Bits:
10MM Diameter, 50MM workable length, 5/8-11 thread, Total Length: 75mm, Grit #50/60
3.SDS Adapter:
This Adapter could change the connection of diamond bits from 5/8-Inch-11 to SDS

Application :
Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...
Recommended Machine: Angle Grinder

Feature:
1. Minimizing any breakage and safe for operator
2. High quality Diamond Grain provide fast and smooth drilling
3. Vacuum Brazed technology provide much longer working life than electroplated technology

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Operation Tips for Vacuum Brazed Diamond Drill core bits
 1.Do not use these drill bits with hammer mode
 2.Only fit these drill bits on a cord drill, not cordless drill(no enough power)
 3.Only for tile drilling not recommend for the material behind the tile
 4.For horizontal drilling,just give a gentle pressure
 For vertical drilling, the weight of the machine will give sufficient pressure
 5.Start drilling as per following instructions:
 1) Place the drill at a 45 degree angle
 2) Drilling till the hole start to form
 3) Bring the drill up into upright position
 4) Continue to drill and swaying the machine along a circle