DLC Coated Carbide Stepped Drill for Aluminum Machining, Stub

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[Features]
-Excellent chip evacuation and sharpness due to high spiral shape
-Designed for frequent pre-drilling of M4 to M12 metric coarse holes
-2 types of step angles are available for chamfering and cutting
-Reduces chamfering process and achieves high drilling efficiency. (DLC-SC-SDR)
-Relief holes can be machined simultaneously when drilling pilot holes for bolts (DLC-SF-SDR).

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

Data to be displayed: 30; 45; 60

Part Number
DLC-SC-SDR6.8-24
DLC-SF-SDR8.5-20
DLC-SF-SDR8.5-30
DLC-SF-SDR10.3-36

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	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)
113.95 €	1	Available	5 Days	6.8	48	104	24	10	0 ~ -0.018	0 ~ -0.009	For Chamfering	10
101.88 €	1	Available	5 Days	8.5	50	112	20	12	0 ~ -0.018	0 ~ -0.011	Cutting	12
120.73 €	1	Available	5 Days	8.5	60	122	30	12	0 ~ -0.018	0 ~ -0.011	Cutting	12
151.42 €	1	Available	5 Days	10.3	72	136	36	14	0 ~ -0.022	0 ~ -0.011	Cutting	14

Specifications

Model Number		Step Length ℓ	Large Diameter D1	Groove Length ℓ1	Overall Length L	Shank Diameter d
	Tip Diameter D
	Tip Diameter D
DLC-SC-SDR (For chamfering) DLC-SF-SDR (For cutting)	3.4	8	6	21	73	6
	3.4	12	6	25	77	6
	4.3	10	7	26	79	7
	4.3	15	7	31	84	7
	5.1	12	8	30	84	8
	5.1	18	8	36	90	8
	6.8	16	10	40	96	10
	6.8	24	10	48	104	10
	8.5	20	12	50	112	12
	8.5	30	12	60	122	12
	10.3	24	14	60	124	14
	10.3	36	14	72	136	14

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