Alfa Tools General Product Catalog

Pipe Taps High-Speed Steel Ground Thread

TAPER PIPE TAPS, NPT • Used for tapping pipe and pipe fittings • Designed to produce threads where mated parts are not required to withstand high fluid and gas pressures, and where the use of a sealing compound or tape may be used to produce leakproof threads

TAPER PIPE TAPS, NPTF (Dry Seal) • Dry Seal Taps are used to tap fittings which give a pressure tight joint without the use of a sealer • Used where sealing compounds may fail due to high heat or high fluid and gas pressures • Suitable for carbon steels, leaded steels and die-cast parts Features:

Features:

STOCK #

TAP SIZE

THREAD NO. OF LENGTH FLUTES

STOCK #

TAP SIZE

TPI

TPI THREAD NO. OF

LENGTH FLUTES ALFA USA

ECO PRO

ALFA USA

ECO PRO

(PIPE) 1/16" 27

27 27 18 18 14 14

11/16"

4 4 4 4 4 5 5 5

HSNPT180321 HSNPT280321 HSNPT180322 HSNPT280322 HSNPT180323 HSNPT280323 HSNPT180324 HSNPT280324 HSNPT180325 HSNPT280325 HSNPT180326 HSNPT280326 HSNPT180327 HSNPT280327 HSNPT180328 HSNPT280328

11/16"

4 4 4 4 4 5 5 5 7 7 8 8 8 8

HSNPT170301 HSNPT270301 HSNPT170302 HSNPT270302 HSNPT170303 HSNPT270303 HSNPT170304 HSNPT270304 HSNPT170305 HSNPT270305 HSNPT170306 HSNPT270306 HSNPT170307 HSNPT270307 HSNPT170308 HSNPT270308 HSNPT170309 HSNPT270309 HSNPT170310 HSNPT270310

1/16"

3/4"

27 18 18 14 14

3/4"

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

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

1-1/16" 1-1/16" 1-3/8" 1-3/8"

1-1/16" 1-1/16" 1-3/8" 1-3/8"

11-1/2 1-3/4"

1" 11-1/2 1-3/4" 1-1/4" 11-1/2 1-3/4" 1-1/2" 11-1/2 1-3/4" 2" 11-1/2 1-3/4"

1"

1-1/4" 11-1/2 1-3/4"

1 per pack

Pipe Taps

8 8 8 8

2-9/16" 2-5/8" 2-11/16" 2-3/4"

— — — —

HSNPT270311 HSNPT270312 HSNPT270313 HSNPT270314

2-1/2"

3"

3-1/2"

B

4"

1 per pack

Straight & Taper

U K

TAPER PIPE TAPS, INTERRUPTED

BSP BRITISH STANDARD PIPE TAPS

Features:

• Suitable for threading both ferrous and nonferrous materials where chip disposal is a problem • The interrupted threads reduce drag while taper pipe threading • These pipe taps are standard, having an odd number of flutes

Features:

• Suitable for tapping holes or couplings for low pressure work • A sealant must be used to ensure a pressure-tight joint

TAP SIZE

NO. OF OVERALL LENGTH STOCK #

TAP SIZE

STOCK #

TPI

TPI

FLUTES LENGTH OF THREAD

ALFA USA

ECO PRO

BSPP STRAIGHT BSPT TAPER

27 27 18 18 14 14

5 5 5 5 5 5 5 5 7 7

2-1/8" 2-1/8" 2-7/16" 2-9/16" 3-1/8" 3-1/4" 3-3/4"

11/16"

HSNPT76701 HSNPT26701 HSNPT76702 HSNPT26702

28 19 19 14 14 11 11 11 11

BSPP70452 BSPT70342 BSPP70453 BSPT70343 BSPP70454 BSPT70344 BSPP70455 BSPT70345 BSPP70456 BSPT70346 BSPP70457 BSPT70347 BSPP70458 BSPT70348 BSPP70459 BSPT70349 BSPP70460 BSPT70350

1/16"

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

3/4"

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

1-1/16" HSNPT76703 HSNPT26703 1-1/16" HSNPT76704 HSNPT26704 HSNPT76705 HSNPT26705 HSNPT76706 HSNPT26706 HSNPT76707 HSNPT26707

1-3/8" 1-3/8" 1-3/4" 1-3/4" 1-3/4" 1-3/4"

1"

11-1/2

1"

1-1/4" 1-1/2"

1-1/4" 11-1/2 1-1/2" 11-1/2

4" 4"

HSNPT76708 HSNPT76709 HSNPT76710

— — —

2"

11-1/2

4-1/2"

2"

1 per pack

1 per pack

• ALFA USA taps are made in the United States

• ECO PRO taps are made in Europe

B-20