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COMBINED CENTER DRILLS & COUNTER SINKS- BELL TYPE 60°

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  • Manufactured from High Quality High Speed Steel (HSS)
  • Commonly used for deburring and chamfering applications in metalworking.
  • Deburring:  Countersinks are designed to create a conical opening in a material, typically metal. The 60-degree angle allows for effective removal of burrs or sharp edges left after a hole has been drilled or a material has been cut. This is crucial for improving the overall finish and safety of the workpiece.
  • Chamfering: A 60-degree countersink is also suitable for chamfering the edges of a hole. Chamfering involves creating a beveled edge or slope at the opening of a hole. This is often done to facilitate the insertion of screws or other fasteners, providing a smoother transition for the

CAT NO.

SIZE

BODY DIA.

DRILL DIA.

BELL DIA.

OVERALL LENGTH

A

B

E

L

GCD-2582

11

1/8"

3/64"

.100"

1-1/4"

GCD-2583

12

3/16"

1/16"

.150"

1-7/8"

GCD-2584

13

1/4"

3/32"

.200"

2"

GCD-2585

14

5/16"

7/64"

.250"

2-1/8"

GCD-2586

15

7/16"

5/32"

.350"

2-3/4"

GCD-2587

16

1/2"

3/16"

.400"

3"

GCD-2588

17

5/8"

7/32"

.500"

3-1/4"

GCD-2589

18

3/4"

1/4"

.600"

3-1/2"

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