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Coated Twist Step Drill Bit for Woodworking
Options:
- Drill Type: Metric Chamfered Carbide Drill Bi
- Point Angle: 118°, 140°
- Usage: High Speed Cutting
- Application: nonferrous metals, Steel
- Suitable for: Copper, Cast Iron, Carbon Steel
- Surface Finish: High Temp/Hardness AlTiN, Bri
| Brand Name : | SUPAL |
|---|
Product description
Fresa Solid Carbide Coated Woodworking Wood Twist Step Drills Bit
Step drill bits are a type of drill bit with a stepped design, allowing them to drill holes of various sizes without the need to switch bits.
They are commonly used to drill holes in thin metal, plastic, and wood.
They have a conical shape with a series of stepped cutting edges, which allow them to quickly and easily drill a variety of hole sizes.
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Product name
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SOLID CARBIDE TWIST DRILL
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Co
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10%
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Wc
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90%
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TRS
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3600~4800 N/mm2
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HRA
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91.8-92.4
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HRC
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45/55/60/65 degrees
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Grain size
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0.4-0.6μm
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Item Code
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D
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l
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L
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D-010
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0.5-0.7
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6
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30
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D-020
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0.8-0.9
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8
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30
|
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D-030
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1.0-1.7
|
10
|
30
|
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D-040
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1.2-1.4
|
12
|
35
|
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D-050
|
1.5-1.7
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14
|
35
|
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D-060
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1.8-1.9
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16
|
40
|
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D-070
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2.0-2.4
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18
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40
|
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D-080
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2.5-3.0
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20
|
40
|
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D-090
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3.1-3.9
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25
|
50
|
|
D-100
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4.0-5.0
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28
|
50
|
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D-101
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5.1-6.0
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30
|
60
|
|
D-102
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6.1-7.0
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32
|
60
|
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D-103
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7.1-11
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38
|
70
|
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D-104
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11.1-12
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38
|
70
|
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D-105
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12.1-14
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40
|
80
|
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D-106
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16
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45
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80
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