Diamond concrete drill use for drill concrete, it is professional drill
It will supply long drill life and high speed drill
Size see below

Diameter Drill Length Hole Segment Length Segment Height
1 " 14 " 1-1/4 "-7 16mm 3. 5mm
1 " 16 " 1-1/4 "-7 16mm 3. 5mm
1 " 18 " 1-1/4 "-7 16mm 3. 5mm
1-1/4 " 14 " 1-1/4 "-7 16mm 3. 5mm
1-1/4 " 16 " 1-1/4 "-7 16mm 3. 5mm
1-1/4 " 18 " 1-1/4 "-7 16mm 3. 5mm
1-1/2 " 14 " 1-1/4 "-7 20mm 3. 5mm
1-1/2 " 16 " 1-1/4 "-7 20mm 3. 5mm
1-1/2 " 18 " 1-1/4 "-7 20mm 3. 5mm
1-3/4 " 14 " 1-1/4 "-7 20mm 3. 5mm
1-3/4 " 16 " 1-1/4 "-7 20mm 3. 5mm
1-3/4 " 18 " 1-1/4 "-7 20mm 3. 5mm
2 " 14 " 1-1/4 "-7 20mm 3. 5mm
2 " 16 " 1-1/4 "-7 20mm 3. 5mm
2 " 18 " 1-1/4 "-7 20mm 3. 5mm
2-1/2" 14 " 1-1/4 "-7 20mm 3. 5mm
2-1/2" 16 " 1-1/4 "-7 20mm 3. 5mm
2-1/2" 18 " 1-1/4 "-7 20mm 3. 5mm
3 " 14 " 1-1/4 "-7 20mm 3. 5mm
3 " 16 " 1-1/4 "-7 20mm 3. 5mm
3 " 18 " 1-1/4 "-7 20mm 3. 5mm
3-1/2 " 14 " 1-1/4 "-7 20mm 3. 5mm
3-1/2 " 16 " 1-1/4 "-7 20mm 3. 5mm
3-1/2 " 18 " 1-1/4 "-7 20mm 3. 5mm
4" 14 " 1-1/4 "-7 20mm 3. 8mm
4" 16 " 1-1/4 "-7 20mm 3. 8mm
4" 18 " 1-1/4 "-7 20mm 3. 8mm
5 " 14 " 1-1/4 "-7 20mm 4. 2mm
5 " 16 " 1-1/4 "-7 20mm 4. 2mm
5 " 18 " 1-1/4 "-7 20mm 4. 2mm
5-1/2 " 14 " 1-1/4 "-7 24mm 4. 2mm
5-1/2 " 16 " 1-1/4 "-7 24mm 4. 2mm
5-1/2 " 18 " 1-1/4 "-7 24mm 4. 2mm
6 " 14 " 1-1/4 "-7 24mm 4. 5mm
6 " 16 " 1-1/4 "-7 24mm 4. 5mm
6 " 18 " 1-1/4 "-7 24mm 4. 5mm
7" 14 " 1-1/4 "-7 24mm 4. 5mm
7" 16 " 1-1/4 "-7 24mm 4. 5mm
7" 18 " 1-1/4 "-7 24mm 4. 5mm
8 " 14 " 1-1/4 "-7 24mm 4. 5mm
8 " 16 " 1-1/4 "-7 24mm 4. 5mm
8 " 18 " 1-1/4 "-7 24mm 4. 5mm
9 " 14 " 1-1/4 "-7 24mm 5mm
9 " 16 " 1-1/4 "-7 24mm 5mm
9 " 18 " 1-1/4 "-7 24mm 5mm
10" 14 " 1-1/4 "-7 24mm 5mm
10" 16 " 1-1/4 "-7 24mm 5mm
10" 18 " 1-1/4 "-7 24mm 5mm
12 " 14 " 1-1/4 "-7 24mm 5. 5mm
12 " 16 " 1-1/4 "-7 24mm 5. 5mm
12 " 18 " 1-1/4 "-7 24mm 5. 5mm