TiAlN Coated Carbide Stepped Drill, For Bolt Drilling / For Drilling Pilot Holes for Screws, with Chamfering Blade
- Volume Discount
-Drilling and countersinking holes for screws can be done in one operation, resulting in highly efficient machining (countersink type)
-Since relief holes can be drilled at the same time as drilling pilot holes for power strips, it is ideal for drilling pilot holes in thick panels that require relief (single-cut type).
Part Number
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| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | Hole diameter (drill diameter) D (mm) | Groove Length L (mm) | Overall Length L (mm) | Step Length ℓ (mm) | Shank Diameter d | Diameter Tolerance | Tolerance of Shank Diameter | Use | Major Diameter D1 (φ) | Applicable Screw Size | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
74.62 € | 1 | Available | 5 Days | 3.4 | 21 | 73 | 8 | 6 | 0 ~ -0.014 | 0 ~ -0.008 | - | 6 | M4 | |
74.62 € | 1 | Available | 5 Days | 3.4 | 25 | 77 | 12 | 6 | 0 ~ -0.014 | 0 ~ -0.008 | - | 6 | M4 | |
80.53 € | 1 | Available | 5 Days | 4.3 | 26 | 79 | 10 | 7 | 0 ~ -0.014 | 0 ~ -0.009 | - | 7 | M5 | |
80.53 € | 1 | Available | 5 Days | 4.3 | 31 | 84 | 15 | 7 | 0 ~ -0.014 | 0 ~ -0.009 | - | 7 | M5 | |
91.87 € | 1 | Available | 5 Days | 5.1 | 30 | 84 | 12 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | - | 8 | M6 | |
91.87 € | 1 | Available | 5 Days | 5.1 | 36 | 90 | 18 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | - | 8 | M6 | |
107.87 € | 1 | Available | 5 Days | 6.8 | 40 | 96 | 16 | 10 | 0 ~ -0.018 | 0 ~ -0.009 | - | 10 | M8 | |
107.87 € | 1 | Available | 5 Days | 6.8 | 48 | 104 | 24 | 10 | 0 ~ -0.018 | 0 ~ -0.009 | - | 10 | M8 | |
82.14 € | 1 | Available | 5 Days | 8.5 | 50 | 112 | 20 | 12 | 0 ~ -0.018 | 0 ~ -0.011 | - | 12 | M10 | |
90.98 € | 1 | Available | 5 Days | 8.5 | 60 | 122 | 30 | 12 | 0 ~ -0.018 | 0 ~ -0.011 | - | 12 | M10 | |
94.13 € | 1 | Available | 5 Days | 10.3 | 60 | 124 | 24 | 14 | 0 ~ -0.022 | 0 ~ -0.011 | - | 14 | M12 | |
121.70 € | 1 | Available | 5 Days | 10.3 | 72 | 136 | 36 | 14 | 0 ~ -0.022 | 0 ~ -0.011 | - | 14 | M12 | |
70.79 € | 1 | Available | 5 Days | 3.4 | 21 | 73 | 8 | 6 | 0 ~ -0.014 | 0 ~ -0.008 | Cutting | 6 | - | |
79.47 € | 1 | Available | 5 Days | 3.4 | 21 | 75 | 10 | 6.5 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 6.5 | - | |
70.79 € | 1 | Available | 5 Days | 3.4 | 25 | 77 | 12 | 6 | 0 ~ -0.014 | 0 ~ -0.009 | Cutting | 6 | - | |
95.94 € | 1 | Available | 5 Days | 3.4 | 25 | 80 | 15 | 6.5 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 6.5 | - | |
70.32 € | 1 | Available | 5 Days | 4.3 | 26 | 79 | 10 | 7 | 0 ~ -0.014 | 0 ~ -0.009 | Cutting | 7 | - | |
92.33 € | 1 | Available | 5 Days | 4.5 | 25 | 74 | 12 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 8 | - | |
118.68 € | 1 | Available | 5 Days | 4.5 | 35 | 84 | 22 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 8 | - | |
91.87 € | 1 | Available | 5 Days | 5.1 | 30 | 84 | 12 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | Cutting | 8 | - | |
91.87 € | 1 | Available | 15 Days | 5.1 | 36 | 90 | 18 | 8 | 0 ~ -0.014 | 0 ~ -0.009 | Cutting | 8 | - | |
106.12 € | 1 | Available | 5 Days | 5.5 | 29 | 79 | 17 | 9.5 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 9.5 | - | |
141.29 € | 1 | Available | 5 Days | 5.5 | 40 | 90 | 28 | 9.5 | 0 ~ -0.014 | 0 ~ -0.009 | For Spot Facing | 9.5 | - | |
173.30 € | 1 | Available | 5 Days | 6.6 | 32 | 91 | 20 | 11 | 0 ~ -0.018 | 0 ~ -0.011 | For Spot Facing | 11 | - | |
193.63 € | 1 | Available | 5 Days | 6.6 | 45 | 104 | 33 | 11 | 0 ~ -0.018 | 0 ~ -0.011 | For Spot Facing | 11 | - | |
107.87 € | 1 | Available | 5 Days | 6.8 | 40 | 96 | 16 | 10 | 0 ~ -0.018 | 0 ~ -0.009 | Cutting | 10 | - | |
90.98 € | 1 | Available | 5 Days | 8.5 | 60 | 122 | 30 | 12 | 0 ~ -0.018 | 0 ~ -0.011 | Cutting | 12 | - | |
157.50 € | 1 | Available | 5 Days | 9 | 47 | 108 | 28 | 14 | 0 ~ -0.018 | 0 ~ -0.011 | For Spot Facing | 14 | - | |
181.06 € | 1 | Available | 5 Days | 9 | 65 | 122 | 42 | 14 | 0 ~ -0.018 | 0 ~ -0.011 | For Spot Facing | 14 | - | |
121.70 € | 1 | Available | 5 Days | 10.3 | 72 | 136 | 36 | 14 | 0 ~ -0.022 | 0 ~ -0.011 | Cutting | 14 | - |
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Specifications
Model Number
TAC-SF-SDR (For bolt hole drilling)
| Step Length ℓ | Large Diameter D1 | Groove Length ℓ1 | Overall Length L | Shank Diameter d | ||
| Tip Diameter D | ||||||
| Counterbore Type | 3.4 | 10 | 6.5 | 21 | 75 | 6.5 |
| 15 | 6.5 | 25 | 80 | 6.5 | ||
| 4.5 | 12 | 8 | 25 | 74 | 8 | |
| 22 | 8 | 35 | 84 | 8 | ||
| 5.5 | 17 | 9.5 | 29 | 79 | 9.5 | |
| 28 | 9.5 | 40 | 90 | 9.5 | ||
| 6.6 | 20 | 11 | 32 | 91 | 11 | |
| 33 | 11 | 45 | 104 | 11 | ||
| 9 | 28 | 14 | 47 | 108 | 14 | |
| 42 | 14 | 65 | 122 | 14 | ||
| Cutting Type | 3.4 | 8 | 6 | 21 | 73 | 6 |
| 12 | 6 | 25 | 77 | 6 | ||
| 4.3 | 10 | 7 | 26 | 79 | 7 | |
| 5.1 | 12 | 8 | 30 | 84 | 8 | |
| 18 | 8 | 36 | 90 | 8 | ||
| 6.8 | 16 | 10 | 40 | 96 | 10 | |
| 8.5 | 20 | 12 | 50 | 112 | 12 | |
| 30 | 12 | 60 | 122 | 12 | ||
| 10.3 | 36 | 14 | 72 | 136 | 14 |
| Tip Diameter D | Tolerance (h8) |
| 3.4 ~ 5.5 | 0 -0.014 |
| 6.6 ~ 9 | 0 -0.018 |
| 10.3 | 0 -0.022 |
| Shank Diameter d | Tolerance (h6) |
| 6 | 0 -0.008 |
| 6.5 ~ 10 | 0 -0.009 |
| 11~ 14 | 0 -0.011 |
Model Number
TAC-SC-SDR (For screw tap hole drilling)
| Tip Diameter D | Step Length ℓ | Large Diameter D1 | Groove Length ℓ1 | Overall Length L | Shank Diameter d | Applicable Screw Size |
| 3.4 | 8 | 6 | 21 | 73 | 6 | M4 |
| 12 | 6 | 25 | 77 | 6 | M4 | |
| 4.3 | 10 | 7 | 26 | 79 | 7 | M5 |
| 15 | 7 | 31 | 84 | 7 | M5 | |
| 5.1 | 12 | 8 | 30 | 84 | 8 | M6 |
| 18 | 8 | 36 | 90 | 8 | M6 | |
| 6.8 | 16 | 10 | 40 | 96 | 10 | M8 |
| 24 | 10 | 48 | 104 | 10 | M8 | |
| 8.5 | 20 | 12 | 50 | 112 | 12 | M10 |
| 30 | 12 | 60 | 122 | 12 | M10 | |
| 10.3 | 24 | 14 | 60 | 124 | 14 | M12 |
| 36 | 14 | 72 | 136 | 14 | M12 |
| Tip Diameter D | Tolerance (h8) |
| 3.4 ~ 5.1 | 0 -0.014 |
| 6.8 / 8.5 | 0 -0.018 |
| 10.3 | 0 -0.022 |
| Shank Diameter d | Tolerance (h6) |
| 6 | 0 -0.008 |
| 7 ~ 10 | 0 -0.009 |
| 12 / 14 | 0 -0.011 |
For Cutting Conditions, Refer to >>Click here.
More Information
● Boring and counterboring processes when drilling bolt holes can be done in a single step to realize a high-efficiency process. (Counterbore Model)
● When drilling pilot tap holes, a relief hole can be drilled at the same time, which is ideal for drilling pilot holes in thick sheet metal to provide scrap clearance. (Cutting Model)
● Designed for very frequent drilling of pilot holes for M4 – M12 metric coarse thread.
● High-efficiency hole drilling is achieved by reducing the chamfering process.
Basic information
| work material | General Steel / Heat-Treated Steel / Stainless Steel / Cast Iron / Aluminum / Copper | Tool Material Type | Carbide | Shank Type | Straight Shank |
|---|---|---|---|---|---|
| Coating Y/N | Included | Coating Type | TiAlN | With/without Oil Hole | None |
| Point Angle(°) | 140 | Thinning | Included |
Configure
Basic Attributes
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Hole diameter (drill diameter) D(mm)
-
Groove Length L(mm)
-
Overall Length L(mm)
-
Step Length ℓ(mm)
-
Type
- TAC-SC-SDR
- TAC-SF-SDR
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- 5 Days or Less
- 15 Days or Less
Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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On-Demand Manufacturing
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