Center drill bits Made in China

Metal Cutting Tools
Drilling tools
End mills & Milling   cutters
Taps & Dies & Screw extractor
Reamers & Countersinks & Counterbores
Turning tools
Files & Burrs
Hole saws

Wood Working Tools

Stone Working Tools
Diamond Tools
Machine Tools Accessories
 


 .::
Products >>> Metal Cutting Tools >>>
Drilling tools>>>combined drill and countersinks(center drill)

                                  center drill

 

COMBINED DRILLS AND COUNTERSINKS (CENTER DRILL BITS)

  Combined drill and countersinks(center drill bits) are designed with 118° Point Angle and a 60° Countersink Included Angle with Spiral Flutes. Combined drill and countersinks(center drill bits) are used for center holes in work pieces for additional manufacturing operations. Available in HSS, COBALT, and CARBIDE. The Bell type is furnished with a 118° Point Angle and a 60°/120° included angle.Combined drill and countersinks(center drill bits) also available in an extra long series.

cylindrical shank, right hand cut, countersink angle 60°Point Angle 120 0  

(Similar Standard: BS 328 : Part 2 : 1986,  ISO 866, ISO 2540, ISO 2541.)

Center drills, metric sizes, ground (DIN 333  Form A) HSS bright finish

 

Nominal diameter
Dh8
mm

Overall length
L
mm

Shank diameter
dh7
mm

1.00

31.50

3.15

1.25

31.50

3.15

1.60

35.50

4.00

2.00

40.00

5.00

2.50

45.00

6.30

3.15

50.00

8.00

4.00

56.00

10.00

5.00

63.00

12.50

6.30

71.00

16.00

Center drills, metric sizes, ground (DIN 333  Form B) HSS bright finish

(Similar Standard: BS 328 : Part 2 : 1986,  ISO 866, ISO 2540, ISO 2541.)

Nominal diameter
Dh8
mm

Overall length
L
mm

Shank diameter
dh7
mm

1.00

31.50

4.00

1.25

31.50

5.00

1.60

35.50

6.30

2.00

40.00

80.00

2.50

45.00

10.00

3.15

50.00

11.20

4.00

67.00

14.00

5.00

75.00

18.00

6.30

80.00

20.00


Center drills, metric sizes, ground (DIN 333  Form R) HSS bright finish

(Similar Standard: BS 328 : Part 2 : 1986,  ISO 866, ISO 2540, ISO 2541.)

Nominal diameter
Dh8
mm

Overall length
L
mm

Shank diameter
dh7
mm

1.00

31.50

3.15

1.25

31.50

3.15

1.60

35.50

4.00

2.00

40.00

5.00

2.50

45.00

6.30

3.15

50.00

8.00

4.00

56.00

10.00

5.00

63.00

12.50

6.30

71.00

16.00



  High Speed Steel material component:W6Mo5Cr4V2

  Solid carbide K10 Micro-fine combined drill and countersinks(center drill bits) on request

  Combined drill and countersinks(center drill bits) tin--Coating on request



1999-2015 SCHARP TOOLS CO.,LTD. All Rights Reserved  苏 ICP 备 05011968 号

 

frankpan@scharptools.com  info@scharptools.com http://www.scharptools.com

Scharp Tools Co. offer drill bits,end mills,slitting saws,taps,milling cutters,carbide burrs,reamers,coutersinks and counterbores.