Alfa Tools General Product Catalog

Metric Silver & Deming Drills Carbide Tipped S & D Drills

Super High-Speed Steel

Right Hand Cut

• Recommended for drilling carbon blocks, hard plastics, bakelite, stone, composites, brick and asphalt • Not recommended where precise hole sizing is required. • Not recommended for drilling steel. Features:

Features:

Silver & Deming 1/2" Reduced Shank 118 O Point

1/2" Reduced Shank 118 O Point, Black Oxide

• Ideal for portable drilling and drill presses, where the maximum chuck capacity is 1/2" • Used extensively in machine shops, maintenance departments, garages and body shops • Also popular in screw machining centers where a short, rigid drill is desirable

Also called “Bowling Ball” drills

Not for enlarging existing holes.

All sizes 1/2" (12.7 mm) shank.

METRIC

FRACTIONAL

SIZE MM

FLUTE LENGTH

OVERALL LENGTH

STOCK #

ALFA USA STOCK # SDC50401 SDC50402 SDC50403 SDC50404 SDC50405 SDC50406 SDC50407 SDC50408 SDC50409 SDC50410 SDC50411 SDC50412 SDC50413 SDC50414 SDC50415 SDC50416 SDC50417 SDC50418 SDC50419 SDC50420 SDC50421 SDC50422 SDC50423 SDC50424 SDC50425 SDC50426 SDC50427 SDC50428 SDC50429 SDC50430 SDC50431 SDC50432 SDC50433 SDC50434 SDC50435

DECIMAL

FLUTE

OVERALL LENGTH

3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3" 3"

6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6"

SDM50451 SDM50453 SDM50455 SDM50457 SDM50459 SDM50461 SDM50463 SDM50465 SDM50467 SDM50469 SDM50471 SDM50473 SDM50475 SDM50477 SDM50479 SDM50481 SDM50483 SDM50485 SDM50487 SDM50489 SDM50491 SDM50493 SDM50495 SDM50497 SDM50499 SDM50500 SDM50501 SDM50503 SDM50505 SDM50507 SDM50509 SDM50511 SDM50513 SDM50515 SDM50519 SDM50521 SDM50523

12.5 13.0 13.5 14.0 14.5 15.0 15.5 16.0 16.5 17.0 17.5 18.0 19.5 20.0 20.5 21.0 21.5 22.5 23.0 23.5 24.0 24.5 18.5 19.0 22.0

SIZE

EQUIV.

LENGTH

5312 5469 5625 5781 5938 6094 6250 6406 6562 6719 6875 7031 7188 7344 7500 7656 7812 7969 8125 8281 8438 8594 8750 8906 9062 9219 9375 9531 9688 9844

3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8" 3-7/8"

6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6" 6"

17/32

35/64

9/16

37/64 19/32 39/64 41/64 21/32 43/64 11/16 45/64 23/32 47/64 49/64 25/32 51/64 53/64 27/32 55/64 57/64 29/32 59/64 15/16 61/64 31/32 63/64 1-1/16 1-1/8 1-1/4 1-3/8 5/8 3/4 13/16 7/8 1

Silver & Deming

A

25.0 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 30.0 30.5 31.0

1 0000 1 0625 1 1250 1 2500 1 3750

1 per pack

1 per pack

3/4" Silver & Deming Drills

High-Speed Steel

• Ideal for portable drilling and drill presses, where the maximum chuck capacity is 3/4" • Used extensively in machine shops, mainte- nance departments, garages and body shops • Also popular in screw machining centers where a short, rigid drill is desirable

Features:

3/4" Reduced Shank 118 O Point, Black Oxide

FRACTIONAL

Not for enlarging existing holes.

DECIMAL

FLUTE

OVERALL LENGTH

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

STOCK #

SIZE

STOCK #

EQUIV.

LENGTH

EQUIV.

LENGTH

1 0000 1 0625 1 1250 1 8750 1 2500 1 3125 1 3750 1 4375 1 5000

3" 3" 3" 3" 3" 3" 3" 3" 3"

6" 6" 6" 6" 6" 6" 6" 6" 6"

RS52423 RS52425 RS52427 RS52429 RS52431 RS52433 RS52435 RS52437 RS52439

1 5625 1 6250 1 6875 1 7500 1 8125 1 8750 1 9375 2 0000

3" 3" 3" 3" 3" 3" 3" 3"

6" 6" 6" 6" 6" 6" 6" 6"

RS52441 RS52443 RS52445 RS52447 RS52449 RS52451 RS52453 RS52455

1

1-9/16 1-5/8 1-11/16 1-3/4 1-13/16 1-7/8 1-15/16

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

2

1-1/2

A-45

1 per pack