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Porcelain Tile Drill Bits

Porcelain Tile Drill Bits

1)Product: Porcelain Tile Drill Bits
made be special carbide and welding technique
Application: for hard ceramic, porcelain, marble, hard tile etc.
Using cooling water
Metric sizes: 3.0,3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8, 8.5, 9, 10, 10.5, 11, 12mm
Inch Sizes: 1/8"--1/2"

2) Head Parts of Porcelain Tile Drill Bits


3) Porcelain and Tile Drill Bits


4) Porcelain Tile Drill Bits in Sandwich packing



5)Specifications and RPM of Porcelain Tile Drill Bits

Sizes (mm)
Total Length (mm)
Flute Length (mm)
Recommended RPM
3.0
85
40
Max.1350    Min.1100
3.5
85
40
Max.1350    Min.1100
4.0
85
45
Max.1200    Min.1000
4.5
85
45
Max.1200    Min.1000
5.0
85
45
Max.1100    Min.920
5.5
100
60
Max.1100    Min.920
6.0
100
60
Max.1000    Min.830
6.5
100
60
Max.1000    Min.830
7.0
125
70
Max.900     Min.740
7.5
125
70
Max.900     Min.740
8.0
125
70
Max.800     Min.650
8.5
125
70
Max.800     Min.650
9.0
150
85
Max.700     Min.550
10.0
150
85
Max.600     Min.500
10.5
150
85
Max.600     Min.500
11.0
150
85
Max.550     Min.450
12.0
200
120
Max.500     Min.400