| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | DIN, JIS, AISI, API |
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4-20mm HSS Cobalt Step Drill Bit Titanium Coated Cone Drill Bit
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Application scope
Material
|
Iron
|
Aluminum
|
Steel Plate
|
304 Stainless Steel
|
Plastic
|
Ceramic tile/wall
|
|
HSS 4241
|
√
|
Not durable
|
×
|
×
|
√
|
×
|
|
HSS 6542/M2
|
√
|
√
|
√
|
Not durable
|
√
|
×
|
|
HSS Co/M35
|
√
|
√
|
√
|
√
|
√
|
×
|
|
Size(mm)
|
Steps
|
Shank Dia(mm)
|
Dia. of cutters(mm)
|
|
3-12
|
10
|
6
|
3,4,5,6,7,8,9,10,11,12
|
|
3-13
|
11
|
6
|
3,4,5,6,7,8,9,10,11,12,13
|
|
3-14
|
12
|
6
|
3,4,5,6,7 ,8,9,10,11,12,13,14
|
|
4-12
|
5
|
6
|
4,6,8,10,12
|
|
4-12
|
9
|
6
|
4,5,6,7,8,9,10,11,12
|
|
4-20
|
9
|
8
|
4,6,8,10,12,14,16,18,20
|
|
4-22
|
10
|
8
|
4,6,8,10,12,14,16,18,20,22
|
|
4-24
|
11
|
8
|
4,6,8,10,12,14,16,18,20,22,24
|
|
4-30
|
14
|
10
|
4,6,8,10,12,14,16,18,20,22,24,26,28,30
|
|
4-32
|
15
|
10
|
4,6,8,10,12,14,16,18,20,22,24,26,28,30,32
|
|
4-39
|
13
|
10
|
4,6,9,12,15,18,21,24,27,30,33,36,39
|
|
4-39
|
14
|
10
|
4,6,8,10,12,15,18,21,24,27,30,33,36,39
|
|
4-40
|
19
|
12
|
4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40
|
|
4-47
|
14
|
12
|
4,7,10,13,16,20,23,26,30,33,36,40,43,47
|
|
5-28
|
7
|
10
|
5,8,12,16,20,24,28
|
|
5-35
|
13
|
10
|
5,7.5,10,13,16,19,21,23,26,29,31,33,35
|
|
5-38
|
14
|
10
|
5,7.5,10,13,16,19,21,23,26,29,31,33,35,38
|
|
5-65
|
13
|
12
|
5,10,15,20,25,30,35,40,45,50,55,60,65
|
|
6-18
|
7
|
8
|
6,8,10,12,14,16,18
|
|
6-20
|
8
|
8
|
6,8,10,12,14,16,18,20
|
|
6-24
|
10
|
8
|
6,8,10,12,14,16,18,20,22,24
|
|
6-25
|
10
|
8
|
6,8,10,12,14,16,18,20,22,25
|
|
6-25
|
7
|
8
|
6,9,12,16,20,22.5,25
|
|
6-30
|
13
|
10
|
6,8,10,12,14,16,18,20,22,24,26,28,30
|
|
6-30.5
|
10
|
10
|
6,9,12.7,15.2,18.6,20.4,22.5,25.5,28.3,30.5
|
|
6-32
|
8
|
10
|
6,10,14,18,22,26,29,32
|
|
6-32
|
9
|
10
|
6, 9,12,16,20,22.5,25, 28.5,32
|
|
6-35
|
13
|
10
|
6, 8,10,13,16,18,20,22,25,28,30,32,35
|
|
6-36
|
11
|
10
|
6,9,12,15,18,21,24,27,30,33,36
|
|
6-37
|
12
|
10
|
6,9,12,15,18,21,23,26,29,32,35,37
|
|
6-37
|
12
|
10
|
6,9,12.5, 15.2,18.6,20.4,22.5,26,28.3,30.5,34,37
|
|
6-38
|
12
|
10
|
6,9,13,16,19,21,23,26,29,32,35,38
|
|
6-40
|
16
|
12
|
6,11,17,23,29,30,31,32,33,34,35,36,37,38,39,40
|
|
6-42
|
13
|
12
|
6,9,12,15,18,21,24,27,30,33,36,39,42,
|
|
6-60
|
12
|
13
|
6,10,15,20,25,30,35,40,45,50,55, 60
|
|
7-40.5
|
13
|
12
|
7,10.5,12.5,14.5,16.5,18.5,20.5,23.5,26.5,30.5,32.5,38.5,40.5
|
|
8-38
|
11
|
10
|
8,13,16,19,21,23,26,29,32,35,38
|
|
9-36
|
10
|
10
|
9,12,15,18,21,24,27,30,33,36
|
|
10-20
|
11
|
8
|
10,11,12,13,14,15,16,17,18,19,20
|
|
10-45
|
8
|
12
|
10,15,20,25,30,35,40,45
|
|
12-20
|
9
|
8
|
12,13,14,15,16,17,18,19,20
|
|
13-38
|
10
|
10
|
13,16,19,21,23,26,29,32,35,38
|
|
14-24
|
6
|
8
|
14,16,18,20,22,24
|
|
14-25
|
7
|
8
|
14,16,18,20,22,24,25
|
|
20-30
|
11
|
10
|
20,21,22,23,24,25,26,27,28,29,30
|
|
20-34
|
8
|
10
|
20,22,24,26,28,30,32,34
|
|
30-40
|
11
|
12
|
30,31,32,33,34,35,36,37,38,39 ,40
|
|
40-50
|
11
|
12
|
40,41,42,43,44,45,46,47,48,49,50
|
|
50-60
|
11
|
12
|
50,51,52,53,54,55,56,57,58,59,60
|
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