Step Drill Set
6Pcs HSS Spiral Titanium Coated Step Drill Bits 1/4 Hex Shank with Punch Tool Set
- Step drill bits are perfect for drilling and enlarging multiple holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.
- 135° Spilt Point Tip: increases cutting speed with self-centering and the drills do not run off-center.
- A variety of hole diameters can be drilled using only one tool.
- The dimension of the drilled hole is exact.
- Two Flute Design: provides longer life and better chip removal.
- The Spiral Groove: creates better, less noise, less force has to be used.
- Titanium coating provides up to 2 times the life of high speed steel.
- Only for rotary use.
- Product Details
- Factory
- Material
|
Product Name
|
5Pcs Inch Sizes Conical Hex Shank Spiral Flutes Stepped Titanium HSS Step Drill Bit Set for Multiple Hole Steel Metal Cutter
|
|
Size
|
1/8-1/2″, 3/16-1/2″, 3/16-7/8″, 1/4-3/4″, 1/4-1 3/8″ (Metric Size is Available)
|
|
Material
|
HSS (Cobalt M35 is Available)
|
|
Flute Type
|
Spiral Flute (Straight Flute is Available)
|
|
Flute Number
|
Two Flutes (Single Flute, Three Flute are Available)
|
|
Shank
|
Quick-Change Hex Shank (Three Flats Shank, Round Shank, Double R Shank are Available)
|
|
Surface Finish
|
TiN (Bright, Black&Amber, Co-coated, Black Oxide, Black and Bright, TiAIN are Available)
|
|
Package
|
5Pcs in Aluminum Case
|
|
Customize
|
Accept |
|
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
|
|||||
1. Drills holes of various sizes without changing bits.
2. Minimal shocks and almost impossible to snap compared to conventional bits.
3. Smooth hole edges, perfect to drill holes for HVAC jobs.
4. Smoother and rounder holes.
5. Prevents metal scurf from flying around for improved safety.
6. Note: Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls, etc.Two-Flute Design
English 
French 
Portuguese 
German 
Spanish 
Turkish