Alfa Tools General Product Catalog

Spiral Pointed Taps - Cont.

High-Speed Steel, Ground Thread Right Hand Spiral

SPIRAL POINTED TAPS + .005 OVERSIZE

Features:

• Produces threads with a pitch diameter 005 larger than basic pitch diameter • Used on parts to be plated or heat treated after tapping, or where loss of size is anticipated

METRIC SPIRAL POINTED TAPS

Features:

• Specially designed for tapping deep through or blind holes where chips may collect at the bottom of the hole • Prevents clogging by forcing chips ahead of tap • Suitable for tapping most materials, especially those with high ductility • Also known as "gun taps" as chips are shot forward

PLUG CHAMFER

TAP SIZE

NO. OF FLUTES

TPI

STOCK #

MACHINE SCREW SIZES

32 32 24 32 20 28 18 24 16 24 14 13 20

2 2 2 2 2 2 2 2 3 3 3 3 3

SPTO71511 SPTO71513 SPTO71515 SPTO71516 SPTO71528 SPTO71529 SPTO71530 SPTO71531 SPTO71532 SPTO71533 SPTO71534 SPTO71536 SPTO71537

6 8

PLUG CHAMFER

10 10

STOCK #

NO. OF THREAD

TAP PITCH D

FRACTIONAL

Spiral Pointed Taps

LIMIT FLUTES LENGTH

SIZE

ALFA USA

ECO PRO

1/4" 1/4"

3 3 3 3 3 3 4 4 4 4 5 5 5 5 5 6 5 6 5 7 6 7 6 7 7 6

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 5/16 SPTM170151 SPTM270151 SPTM170152 SPTM270152 7/16 SPTM170153 SPTM270153 7/16 SPTM170154 SPTM270154 SPTM170155 SPTM270155 SPTM170156 SPTM270156 11/16 SPTM170157 SPTM270157 SPTM170158 SPTM270158 SPTM170159 SPTM270159 SPTM170160 SPTM270160 SPTM170161 SPTM270161 3/8 1/2 5/8 3/4 7/8 7/8 1-1/8 SPTM170163 SPTM270163 1-1/8 SPTM170164 SPTM270164 1-1/8 SPTM170165 SPTM270165 1-1/4 SPTM170166 SPTM270166 1-1/4 SPTM170167 SPTM270167 3 1-21/32 SPTM170168 SPTM270168 3 1-21/32 SPTM170169 SPTM270169 3 1-21/32 SPTM170170 SPTM270170 3 1-21/32 SPTM170171 SPTM270171 3 1-13/16 SPTM170172 SPTM270172 3 1-13/16 SPTM170173 SPTM270173 4 1-13/16 SPTM170174 SPTM270174 1 1 – SPTM270162

1.6 0.35 1.8 0.35

5/16" 5/16"

2

0.40

3/8" 3/8"

2.2 0.45

2.5 0.45

7/16"

3

0.50

1/2" 1/2"

3.5 0.60

4

0.70

5 per pack

4.5 0.75

5 6

0.80 1.00

SPIRAL POINTED TAPS TITANIUM NITRIDE COATED

B

6.3 1.00

7 8 8

1.00 1.25 1.00

• Titanium Nitride coating provides greater surface hardness and lubricity to promote longer tap life • Provides higher tapping speeds

Features:

10 1.50 10 1.25 12 1.75 12 1.25 14 2.00 14 1.50 16 2.00 16 1.50 18 2.50 20 2.50 20 2.50

Expanded

PLUG CHAMFER

TAP SIZE

NO. OF FLUTES

GRIND LIMITS

STOCK # ALFA USA

TPI

MACHINE SCREW SIZES

3 4

2 2

SPTM170175 SPTM270175

40 32 32 24 32 24 20 28 18 24 16 24 14 20 13 20 11 18 10 16

2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3

H2 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3 H3

SPT170107TN SPT170111TN SPT170113TN SPT170115TN SPT170116TN SPT170117TN SPT170128TN SPT170129TN SPT170130TN SPT170131TN SPT170132TN SPT170133TN SPT170134TN SPT170135TN SPT170136TN SPT170137TN SPT170140TN SPT170141TN SPT170142TN SPT170143TN

–

SPTM270176

4 6 8

1 6mm to 6mm, 12 per pack, 7mm to 12mm, 6 per pack, 14mm to 20mm, 3 per pack

10 10 12

• ALFA USA taps are made in the United States

• ECO PRO taps are made in Europe

FRACTIONAL

1/4" 1/4"

5/16" 5/16"

3/8" 3/8"

7/16" 7/16"

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

1 per pack

B-17