Steel Step Bit

Metric Size Hex Shank Titanium Cotatd M2 Sheet Metal Step Up Cone Drill Bit

  • Titanium coated step drill bits have high hardness, reduce friction, run cooler.
  • A two-fluted design prevents metal fillings from flying around and clears chips faster.
  • 118°opening design with two flutes provides smooth tap and rapid, accurate starts.
  • Precision engraving for a clear stop on size identification.
  • It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
Product Description
More Choice For You: HomeStep Drill Bit
Product Name
Metric Size Hex Shank Titanium Cotatd M2 Sheet Metal Step Up Cone Drill Bit
Size
4-12mm
Material
M2 (We Also Have Hss4341, HSS 4241, M35,M42)
Flute Type
Spiral Flute (We Also Have Straight Flute)
Flute Number
Double Flute (We Also Have Single Flute, Three Flute)
Shank
Hex Shank (We Also Have Three Flats Shank, Round Shank, Double R Shank)
Surface Finish
Titanium Coated (We Also Have Amber Color, Black Oxide, Black and Bright, Bright, and so on)
Package
1Pcs in Double Blister Card

 

Step Cone Drill Bit Three Flats Shank with Double Spiral Flute

Spiral Flute Step Drills (Metric)
Size (mm)
Number of Steps
L1 (mm)
L2 (mm)
D1 (mm)
D2 (mm)
4-12
5
62
22
12
6
4-12
9
71
22
12
6
4-20
9
71
22
20
8
4-22
10
85
22
22
8
6-30
13
93
22
30
10
4-32
14
99
23
32
10
4-39
13
108
25
39
10
5-35
13
73
25
35
13
10-45
9
98
25
45
13
6-60
12
113
25
60
13
Spiral Flute Step Drills (Inch)
Size (inch)
Number of Steps
L1 (inch)
L2 (inch)
D1 (inch)
D2 (inch)
3/16-1/2
6
2 41/64
7/8
3/16-1/2
1/4
1/8-1/2
13
2 59/64
7/8
1/8-1/2
1/4
1/4-3/4
9
2 51/64
7/8
1/4-3/4
3/8
3/16-7/8
12
3
7/8
3/16-7/8
3/8
1/4-1 3/8
10
2 61/64
7/8
1/4-1 3/8
3/8
* Custom-tailor would be available against customers’ requirements

 

 

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