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DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub (DLC-SF-SDR8.5-20)

DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub DLC-SF-SDR8.5-20

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  • DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub
  • DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub
  • Volume Discount

[Features]
·Outstanding chip discharge and sharpness are demonstrated by high helix shape
·Designed for frequent pre-drilling of M4 to M12 metric coarse pilot hole
·2 types of step angles are available for chamfering and cutting
·Reduces chamfering process and achieves high-efficiency drilling. (DLC-SC-SDR)
·Relief holes can be processed at same time when drilling pilot holes for bolts (DLC-SF-SDR)

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Part Number

Configured Part Number is shown.

DLC-SF-SDR8.5-20

DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub:Related Image
Part Number
DLC-SF-SDR8.5-20
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipHole 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)

SGD 177.04

1 Piece(s)Available 4 Day(s) or more 8.55011220120 ~ -0.0180 ~ -0.011Cutting12

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Specifications

DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub:Related Image

Model Number Step Length
Large Diameter
D1
Groove Length
ℓ1
Overall Length
L
Shank Diameter
d
Tip Diameter
D
DLC-SC-SDR
(For chamfering)

DLC-SF-SDR
(For cutting)
3.48621736
12625776
4.310726797
15731847
5.112830848
18836908
6.81610409610
24104810410
8.520125011212
30126012212
10.324146012414
36147213614


For Cutting Conditions, Refer to >>Click here.

More Information


The DLC coating has excellent wear-resistant and welding-resistant properties that make it ideal for machining non-ferrous metals such as aluminum, copper, etc.
A strong torsion shape provides superior discharge of cutting chips and cutting capability.
Designed for very frequent drilling of pilot holes for M4 – M12 metric coarse thread.
Two models of step angle are available for chamfering and cutting.
High-efficiency hole drilling is achieved by reducing the chamfering process. (DLC-SC-SDR)
When drilling pilot holes for bolts, relief holes can also be drilled at the same time. (DLC-SF-SDR)

Basic Information

work material Cast Iron / Aluminum / Copper Tool Material Type Carbide Shank Type Straight Shank
Coating Y/N Included Coating Type DLC With/without Oil Hole None
Point Angle(°) 130 Thinning Included

Please check the type/dimensions/specifications of the part DLC-SF-SDR8.5-20 in the DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub series.

Similar Part Numbers

Part Number
DLC-SC-SDR6.8-24
DLC-SF-SDR10.3-36
DLC-SF-SDR8.5-30
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipHole 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)

SGD 122.72

1 Piece(s)Available 4 Day(s) or more 6.84810424100 ~ -0.0180 ~ -0.009For Chamfering10

SGD 262.10

1 Piece(s)Available 4 Day(s) or more 10.37213636140 ~ -0.0220 ~ -0.011Cutting14

SGD 209.42

1 Piece(s)Available 4 Day(s) or more 8.56012230120 ~ -0.0180 ~ -0.011Cutting12

Tech Support

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