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#CODE
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Carbide Step Drill Bits - Straight Shank, Chamfering Blade, TiAlN Coated (TAC-SC-SDR3.4-8)
- Volume Discount
A stepped drill reduces the number of machining steps, allowing for higher-efficiency drilling
Part Number
Configured Part Number is shown.
TAC-SC-SDR3.4-8
| Part Number |
|---|
| TAC-SC-SDR3.4-8 |
Loading...
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 | Link Model | Straight Shank |
|---|---|---|---|---|---|
| Coating Presence | Included | Coating Type | TiAlN | Oil-Hole Presence | None |
| Point Angle(°) | 140 | Thinning | Included |
Please check the type/dimensions/specifications of the part TAC-SC-SDR3.4-8 in the Carbide Step Drill Bits - Straight Shank, Chamfering Blade, TiAlN Coated series.
Specification/Dimensions
-
type
- TAC-SC-SDR
- TAC-SF-SDR
-
Hole Diameter (Drilling Diameter) D(mm)
-
Groove Length (ℓ)(mm)
-
Overall Length (L)(mm)
-
Step Length ℓ(mm)
Days to Ship
-
- All
- 8 Days or Less
- 18 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| TAC-SC-SDR10.3-24 |
| TAC-SC-SDR10.3-36 |
| TAC-SC-SDR3.4-12 |
| TAC-SC-SDR4.3-10 |
| TAC-SC-SDR4.3-15 |
| TAC-SC-SDR5.1-12 |
Additional Products in this Category
- Carbide Solid Drill Bits - End Mill Shank, for High-Hardness Steel Machining, TS Coated, Stub, Regular
- Carbide Step Drill Bits - End Mill Shank, Burnishing Drill
- Carbide Step Drill Bits - Straight Shank, Chamfering Blade, R Type
- Carbide Step Drill Bits - Straight Shank, DLC Coated, Stub
- Carbide Burnishing Drill Bit, Long Shank Type
- Carbide Step Drill Bit, With Custom Dimensions / Long Shank Type
- Carbide Step Drill Bit, With Custom Dimensions
- Carbide Step Drill Bits - End Mill Shank, 2 Flutes, KDD-2
Complementary Products
-
Carbide Step Drill Bits - Straight Shank, Chamfering Blade, R Type
MISUMI Days to Ship : 15 Days or more
-
Carbide Solid Drill Bits - Aqua Drill Bit, 3-Flute, AQD3F
Nachi-Fujikoshi Days to Ship : 8 Days or more
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