Industrial Catalog

Combined Drill & Countersinks (Center Drills) High-Speed Steel High-Speed Steel

• Combined drill & countersinks are used for producing center holes in metal workpieces which requires machining between centers • Plain type is most commonly used. Features:

• Plain type long length is used where extra reach is required Features:

Plain Type 60 O Included Angle

Long Length Plain Type 60 O Included Angle

Combined Drill & Countersinks (Center Drills)

HIGH-SPEED STEEL

HIGH-SPEED STEEL

ASA

DRILL BODY OVERALL

STOCK #

ASA

DRILL BODY OVERALL

STOCK #

DIA.

DIA.

LENGTH

DIA.

DIA.

LENGTH

NO.

NO.

ALFA USA ECO-PRO

ALFA USA

ECO-PRO

3/64 3/64 5/64 5/64 7/64 7/64 1/8 1/8 1/8 3/16 3/16 7/32 7/32 1/4 5/16

1/8 1/8

3 4 4 5 4 5 4 5 6 5 6 5 6 6 6

CDK50471 CD50471 CDK50472 CD50472 CDK50473 CD50473 CDK50474 CD50474 CDK50475 CD50475 CDK50476 CD50476 CDK50477 CD50477 CDK50478 CD50478 CDK50479 CD50479 CDK50480 CD50480 CDK50481 CD50481 CDK50482 CD50482 CDK50483 CD50483 CDK50484 CD50484 CDK50485 CD50485

0 020 0 025 1/32 3/64 5/64 7/64

1/8 1/8 1/8 1/8

1-1/4 1-1/4 1-1/4 1-1/4 1-7/8 2-1/8 2-3/4 3-1/4 3-1/2 2 3

CDHK50448 CDH50448 CDHK50449 CDH50449 CDHK50450 CDH50450 CDHK50451 CDH50451 CDHK50452 CDH50452 CDHK50453 CDH50453 CDHK50454 CDH50454 CDHK50455 CDH50455 CDHK50456 CDH50456 CDHK50457 CDH50457 CDHK50458 CDH50458

1 1 2 2 3 3 4 4 4 5 5 6 6 7 8

000

00

3/16 3/16 1/4 1/4 5/16 5/16 5/16 7/16 7/16 1/2 1/2 5/8 3/4

0 1 2 3 4 5 6 7 8

3/16 1/4 5/16 7/16 1/2 5/8 3/4

1/8 3/16 7/32 1/4 5/16

000 to 4, 12 per pack, 5 to 6, 6 per pack, 7 to 8, 3 per pack

Metric sizes are available on request.

1 to 4, 12 per pack, 5 to 8, 1 per pack

HSS COMBINED DRILL & COUNTERSINK SET IN A WOOD STAND SET SIZE RANGE STOCK # QTY. ALFA USA

A

CDHK50465

Set Includes 1 each: Nos 1, 2, 3, 4, 5

5 Pc.

CDHK50465

Cobalt • Solid Carbide

Plain Type 60 O Included Angle

• Used for making center holes in components • For workpieces requiring machining between centers Features:

COBALT M42 SOLID CARBIDE

STOCK #

ASA

DRILL

BODY OVERALL

DIA.

DIA.

LENGTH

NO.

ALFA USA ALFA USA

0 020 0 025 1/32 3/64 5/64 7/64

1/8 1/8 1/8 1/8

1-1/4 1-1/4 1-1/4 1-1/4 1-7/8 2-1/8 2-3/4 3-1/4 3-1/2 2 3

CDCK50448 CDCK50449

– –

000

00

CDCK50450 CDTC50450 CDCK50451 CDTC50451 CDCK50452 CDTC50452 CDCK50453 CDTC50453 CDCK50454 CDTC50454 CDCK50455 CDTC50455 CDCK50456 CDTC50456

0 1 2 3 4 5 6 7 8

3/16 1/4 5/16 7/16 1/2 5/8 3/4

1/8 3/16 7/32 1/4 5/16

TiN coating is available. Details on request.

CDCK50457 CDCK50458

– –

1 per pack

• ALFA USA drills are made in the United States

• ECO PRO drills are made outside the United States to ALFA TOOLS' specifications

A-65