Center Drill Bits High speed steel HSSCobalt

Combined Drill and Countersink (Center Drill Bit), High speed steel., Din333 Form A, B, R. Plain type, bell type and radius type - details see: https://www.machineto.com/center-drill-bits-high-speed-steel-hsscobalt-10149387
Place of Origin:Jiangsu China (Mainland)Brand Name:STCModel Number:y10Machine Type:Drilling Machine
Type:Drill Bit   
Center Drill Bits High speed steel HSSCobalt
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COMBINED DRILLS AND COUNTERSINKS (CENTER DRILL BITS)

Material: HSS, HSSCO.

Product Feature
(Din 333 Form A, B, R). Plain type, bell type and radius type.
Ground,bright finish.

Product Specification/Models
Size: 1-6.3mm; 3/64"-25/64"

Application
These are designed with 118 degree point angle and a 60 degree countersink included angle with spiral flutes. They are used for center holes in work pieces for additional manufacturing operations.


Tin--coating on request
Solid carbide k10 micro-fine on request

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 Drill Bits High speed steel HSSCobalt
Packaging Detail:plastic box packing
Delivery Detail:45 days

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