Conical Drill Bit

3pcs Straight Flute Tungsten Carbide Titanium Coated Step Drill Bit Hss Stepped Cone Drill Bits Set

  • This step drill set made of strong M42 steel with titanium coating.
  • The straight flute is for excellent heat dissipation and chip removal.
  • The step cone drill bit sets have a clear scale mark.
  • Titanium coated with more capable and durable.
  • Perfect for home repairs and light jobs.
Product Description
Product Name
3pcs Straight Flute Tungsten Carbide Titanium Cotaed Step Drill Bit Hss Stepped Cone Drill Bits Set
Color
As your request
Name
hss stepped drill bits set
Used
drilling holes with different diameters

3pcs Straight Flute Tungsten Carbide Titanium Cotaed Step Drill Bit Hss Stepped Cone Drill Bits Set

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
68
22
12
6
4-20
9
71
22
20
8
4-22
10
73
22
22
8
4-30
13
95
22
30
10
4-32
14
102
22
32
10
4-39
13
97
25
39
10
5-35
13
73
25
35
13
4-40
16
103
25
40
12
10-45
9
98
25
45
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 7/32
7/8
3/16-1/2
1/4
1/8-1/2
13
2 27/32
7/8
1/8-1/2
1/4
1/4-3/4
9
2 51/64
29/32
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
7/16-1 1/8
12
2 51/64
7/8
7/16-1 1/8
3/8
9/16-1
8
3 3/64
7/8
9/16-1
3/8
13/16-1 3/8
10
3
7/8
13/16-1 3/8
3/8
* Custom-tailor would be available against customers’ requirements

 

 

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