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Carbide Step Drill Bits - Straight Shank, Chamfering Blade, R Type

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MISUMI

The desired stepped drill can be ordered without a drawing. Delivered in a short delivery time

Part Number

Configured Part Number is shown.

Drawing
Part Numbers
Specification and price
Features and Example
Alterations and coating

Carbide Stepped Drill, for Drilling Pilot Holes for Screws, with Chamfering Blade, Size Designation Model:Related Image

: 30; 45; 60

Part Number
C-SC-TSDR3-[2.2-2.99/0.01]-[5-13/1]-[60,90,120]
C-SC-TSDR4-[3-3.89/0.01]-[5-18/1]-[60,90,120]
C-SC-TSDR5-[3.9-4.69/0.01]-[8-23/1]-[60,90,120]
C-SC-TSDR6-[4.7-6.49/0.01]-[10-28/1]-[60,90,120]
C-SC-TSDR8-[6.5-8.19/0.01]-[15-35/1]-[60,90,120]
C-SC-TSDR10-[8.2-9.99/0.01]-[15-45/1]-[60,90,120]
C-SC-TSDR12-[10-11/0.01]-[20-50/1]-[60,90,120]

Minimum order quantity	Days to Ship	M Model (M)	Chamfer Angle (Double Angle θ) (°)	Stepped Length (ℓ) (mm)	Tip Diameter (D) (mm)	Shank Diameter d	Tolerance of Shank Diameter	Major Diameter D1 (φ)	ℓ1 (mm)	Groove Length L1 (mm)
1 Piece(s)	15 Days or more	3	60 ～ 120	5 ～ 13	2.2 ～ 2.99	4	0 ~ -0.008	4	50	Step Length + 8
1 Piece(s)	15 Days or more	4	60 ～ 120	5 ～ 18	3 ～ 3.89	6	0 ~ -0.008	6	59	Step Length + 13
1 Piece(s)	15 Days or more	5	60 ～ 120	8 ～ 23	3.9 ～ 4.69	8	0 ~ -0.009	8	61	Step Length + 16
1 Piece(s)	15 Days or more	6	60 ～ 120	10 ～ 28	4.7 ～ 6.49	8	0 ~ -0.009	8	62	Step Length + 18
1 Piece(s)	15 Days or more	8	60 ～ 120	15 ～ 35	6.5 ～ 8.19	10	0 ~ -0.009	10	69	Step Length + 24
1 Piece(s)	15 Days or more	10	60 ～ 120	15 ～ 45	8.2 ～ 9.99	12	0 ~ -0.011	12	77	Step Length + 30
1 Piece(s)	15 Days or more	12	60 ～ 120	20 ～ 50	10 ～ 11	14	0 ~ -0.011	14	86	Step Length + 36

Specifications

Model Number		Tip Diameter D 0.01 mm Increment Designation	Step Length ℓ 1 mm Increment Designation	Chamfer Angles Double Angle θ (Selection)	Large Diameter D1	ℓ1	Groove Length L1	Overall Length L	Shank Diameter d
	Nominal M
	Nominal M
C-SC-TSDR	3	2.20 ~2.99	5 ~ 13		4	50	ℓ+8	ℓ+ℓ1	4
	4	3.00 ~3.89	5 ~ 18		6	59	ℓ+13		6
	5	3.90 ~4.69	8 ~ 23	60	8	61	ℓ+16		8
	6	4.70 ~6.49	10 ~ 28	90	8	62	ℓ+18		8
	8	6.50 ~8.19	15 ~ 35	120	10	69	ℓ+24		10
	10	8.20 ~9.99	15 ~ 45		12	77	ℓ+30		12
	12	10.00 ~ 11.00	20 ~ 50		14	86	ℓ+36		14

For Cutting Conditions, Refer to >>Click here.

More Information

● Pilot holes for M3-M12 metric coarse thread (boring / chamfering) can be done in a single step to realize a high-efficiency process.
● Since the tip diameter, step length, and chamfering angle can all be chosen freely, the tool shape can be manufactured as you like.

Alterations

Additional Processing Details	Code	Details
TS Coating	TS	With TS Coating
TiAℓN Coat	TA	TiAℓN with Coating

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	None	Oil-Hole Presence	None	Point Angle(°)	140
Thinning	Included	Diameter Tolerance	h8