DIN333 Center drill

  • DIN333 Center drill
DIN333 Center drill

DIN333 Center drill

  • *Available in plain (A),Bell (B),and Radius (R) type.
  • *bell type: Combined Drills and Countersinks provide a protected center that preserves the center and protects it from being deformed by rough handing.
  • *High speed steel combined drills and countersinks are used for producing center holes in components or workpieces which require maching between centers.
  • Product description:DIN333 Center drill
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*plain tvpe: Plain Drills and Countersinks are used to machine center holes in shafts, and to do other operations where their rigid construction and drill chamfer combination can reduce machining time.

*radius type Combined Drills and Countersinks produce a reduced bearing surface and a protected center for components that require high precision close tolerance grinding between centers.

Form A 60°,w/o protecting chamfer

Dia

Dia

L1

L2

Φ

shank

Overall Length

Flute Length

0.5

3.15

20.0

0.8

0.8

3.15

20.0

1.1

1.0

3.15

31.5

1.3

1.25

3.15

31.5

1.6

1.6

4.0

35.5

2.0

2.0

5.0

40.0

2.5

2.5

6.3

45.0

3.1

3.15

8.0

50.0

3.9

4.0

10.0

56.0

5.0

5.0

12.5

63.0

6.3

6.3

16.0

71.0

8.0

8.0

20.0

80.0

10.1

10.0

25.0

100.0

12.8

12.5

31.5

125.0

16.5

Form B  60°-120°,with protecting chamfer

Dia

Dia

Dia

L1

L2

Φ

shank

drill

Overall Length

Flute Length

1.0

4.0

2.12

35.5

1.3

1.25

5.0

2.65

40.0

1.6

1.6

6.3

3.35

45.0

2.0

2.0

8.0

4.25

50.0

2.5

2.5

10.0

5.3

56.0

3.1

3.15

11.2

6.7

60.0

3.9

4.0

14.0

8.5

67.0

5.0

5.0

18.0

10.6

75.0

6.3

6.3

20.0

13.2

80.0

8.0

8.0

25.0

17.0

100.0

10.1

10.0

31.5

21.2

125.0

12.8

Form R  60°,with protecting chamfer

Dia

Dia

L1

L2

R

Φ

shank

Overall Length

Flute Length

Radius

1.0

3.15

31.5

3.0

2.5-3.15

1.25

3.15

31.5

3.35

3.15-4.0

1.6

4.0

35.5

4.25

4.0-5.0

2.0

5.0

40.0

5.3

5.0-6.3

2.5

6.3

45.0

6.7

6.3-8.0

3.15

8.0

50.0

8.5

8.0-10.0

4.0

10.0

56.0

10.6

10.0-12.5

5.0

12.5

63.0

13.2

12.5-16.0

6.3

16.0

71.0

17.0

16.0-20.0

8.0

20.0

80.0

21.2

20.0-25.0

10.0

25.0

100.0

26.5

25.0-31.5

12.5

31.5

125.0

33.5

31.5-40.0


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Contact:Allen

Phone: +86-13626266568

Email: Speedytools01@hotmail.com

Add:HouXiang Town, Danyang City, JiangSu Province

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