High Speed Steel M2 Countersinks

• Standard: DIN, JIS, AISI, API
• Length: Jobber-length
• Type: Countersink Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Size: 6mm to 63mm
• Model NO.: gost 14953
• Transport Package: plastic box
• Specification: 6mm to 80mm
• Trademark: stc
• Origin: Zhenjiang Jiangsu
• HS Code: 82075090
• Production Capacity: 5000PCS/Month

Product Description

 

 

 

 

 

 

The countersinks are made from high speed steel M2 or M35. With straight shank and taper shank.

We supply 60 degree, 82 degree, 90 degree

Kinds of sets on request.

We supply this according to din 334C, din 334D, din 335C, din 335D.

GOST 14593 avaialable on request.
 

STC046, HSS SOLID CAP SCREW COUNTERBORE, DIN373

3-Flute, Material: HSS, HSS-E.

Pict

Screw Size

Cutting Diameter

Pilot Diameter

Shank Diameter

Total Length

Flute Number

1

2.2

0.75

2.2

45

2

1.2

2.5

0.95

2.5

45

2

1.4

2.8

1.1

2.8

45

2

1.6

3.3

1.25

3.3

56

2

1.8

3.8

1.45

3.8

56

2

2

4.3

1.6

4.3

56

2

2.5

5

2.05

5

56

2

3

6

2.5

5

71

3

3.5

6.5

2.9

5

71

3

4

8

3.3

5

71

3

4.5

9

3.7

8

80

3

5

10

4.2

8

80

3

6

11

5

8

80

3

7

13

6

12.5

100

3

8

15

6.8

12.5

100

3

9

16

7.8

12.5

100

3

10

18

8.5

12.5

100

3

12

20

10.2

12.5

100

3

STC044-M, COUNTERSINKS, Straight Shank

GB/T 4258-2004, GOST 14953-80

Pict

Included Angle: 60°, 90°, 120°

Size

Small End Diameter

Shank Diameter

Size

Small End Diameter

Shank Diameter

8

1.6

8

16

3.2

10

10

2

8

20

4

10

12.5

2.5

8

25

7

10

STC044-MT, COUNTERSINKS, Taper Shank

Bitmap

GB/T 1143-2004, GOST 14953-80

Included Angle: 60°, 90°, 120°

Size

Small End Diameter

M.T. Shank

Size

Small End Diameter

M.T. Shank

16

3.2

1

40

12.5

3

20

4

2

50

16

3

25

7

2

63

20

4

31.5

9

2

80

25

4