Alfa Tools General Product Catalog

Hand Taps + .005 Oversize High-Speed Steel Ground Thread Features:

• Produces threads with a pitch diameter 005 larger than basic pitch diameter • Can be used by hand or under power, in through or blind holes

• Used primarily on parts to be plated or heat treated after tapping, or where loss of size is anticipated for any reason

Hand Taps - Oversize • Hand Taps - Eight Pitch

PLUG CHAMFER TAP

TAP SIZE

NO. OF FLUTES

NO. OF FLUTES

TPI

STOCK

TPI

STOCK

SIZE

MACHINE SCREW SIZES

FRACTIONAL

40 40 32 40 32 36 24 32 20 28 18 24 16 24

3 3 3 3 4 4 4 4 4 4 4 4 4 4

HTO71407 HTO71409 HTO71411 HTO71412 HTO71413 HTO71414 HTO71415 HTO71416 HTO71430 HTO71431 HTO71432 HTO71433 HTO71434 HTO71435

14 20 13 20 12 18 11 18 10 16

4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

HTO71436 HTO71437 HTO71438 HTO71439 HTO71440 HTO71441 HTO71442 HTO71443 HTO71446 HTO71447 HTO71448 HTO71449 HTO71450 HTO71451 HTO71452

4 5 6 6 8 8

7/16" 7/16"

1/2" 1/2"

9/16" 9/16"

5/8" 5/8" 3/4" 3/4" 7/8" 7/8"

10 10

FRACTIONAL

1/4" 1/4"

9

14

5/16" 5/16"

8

1" 1" 1"

12 14

3/8" 3/8"

4 to 1/4", 10 per pack, 5/16" to 1/2", 5 per pack 9/16" to 1", 3 per pack

B

Hand Taps - Eight Pitch

High-Speed Steel Ground Thread

Features: • Special eight thread taps feature eight threads per inch • Engineered specifically for liquid transmission equipment found in oil fields

FRACTIONAL

STOCK #

TAP SIZE X PITCH

NO. OF FLUTES

GRIND LIMITS

TAPER

PLUG

BOTTOM

8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

4 4 4 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8

HTSPT71419 HTSPT71435 HTSPT71450 HTSPT71461 HTSPT71474 HTSPT71485 HTSPT71494 HTSPT71503 HTSPT71510 HTSPT71513 HTSPT71518 HTSPT71523 HTSPT71527 HTSPT71530 HTSPT71533 HTSPT71536 HTSPT71540 HTSPT71543 HTSPT71545 HTSPT71547

HTSPP71419 HTSPP71435 HTSPP71450 HTSPP71461 HTSPP71474 HTSPP71485 HTSPP71494 HTSPP71503 HTSPP71510 HTSPP71513 HTSPP71518 HTSPP71523 HTSPP71527 HTSPP71530 HTSPP71533 HTSPP71536 HTSPP71540 HTSPP71543 HTSPP71545 HTSPP71547

HTSPB71419 HTSPB71435 HTSPB71450 HTSPB71461 HTSPB71474 HTSPB71485 HTSPB71494 HTSPB71503 HTSPB71510 HTSPB71513 HTSPB71518 HTSPB71523 HTSPB71527 HTSPB71530 HTSPB71533 HTSPB71536 HTSPB71540 HTSPB71543 HTSPB71545 HTSPB71547

1-1/8" 1-1/4" 1-3/8" 1-1/2" 1-5/8" 1-3/4" 1-7/8" 2-1/8" 2-1/4" 2-3/8" 2-1/2" 2-5/8" 2-3/4" 2-7/8" 3-1/4" 3-1/2" 3-3/4" 2" 3"

4"

1 per pack

B-13