Alfa Tools General Product Catalog

Thread Forming Taps

High-Speed Steel Ground Thread Pulley Taps

High-Speed Steel Ground Thread

• Very effective in ductile materials such as aluminum, brass, stainless steel, copper, zinc, cast steel and alloy steel materials Features:

• Specially designed to tap the set screw thread in pulley hubs • Also used as extension taps in many applications • Available in 6", 8", 10" & 12" overall lengths Features:

For internal threading in ductile materials

Thread Forming Taps • Pulley Taps • Nut Taps

PLUG CHAMFER BOTTOMING CHAMFER

PLUG CHAMFER

OVERALL NO. OF GRIND LENGTH FLUTES LIMITS MACHINE SCREW SIZES

TAP SIZE

GRIND CLASS LIMITS OF FIT

STOCK #

TAP

TPI

STOCK #

TPI

SIZE

PLUG

BOTTOM

MACHINE SCREW SIZES

32 32 24 32 20 28 18 24 16 24 14 20 13 20 11 18 20 28 18 24 16 24 14 13 20 11 18 10 16 13 11 18 10 16 13 11 18 10 8 8

6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8

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

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 4 4 4 4 4

HSPUT70201 HSPUT70202 HSPUT70203 HSPUT70204 HSPUT70205 HSPUT70206 HSPUT70207 HSPUT70208 HSPUT70209 HSPUT70210 HSPUT70211 HSPUT70212 HSPUT70213 HSPUT70214 HSPUT70215 HSPUT70216 HSPUT70230 HSPUT70231 HSPUT70232 HSPUT70233 HSPUT70234 HSPUT70235 HSPUT70236 HSPUT70238 HSPUT70239 HSPUT70240 HSPUT70241 HSPUT70242 HSPUT70243 HSPUT70250 HSPUT70254 HSPUT70256 HSPUT70257 HSPUT70258 HSPUT70259 HSPUT70260 HSPUT70270 HSPUT70272 HSPUT70273 HSPUT70274 HSPUT70276

80 64 72 56 64 48 56 40 48 40 44 32 40 32 36 24 32 24 28 20 28 18 24 16 24 14 20 13 20 12 18 11 18 10 16

H3 H3 H3 H3 H3 H3 H3 H3 H3 H4 H3 H4 H4 H4 H4 H5 H5 H4 H4 H6 H5 H6 H6 H7 H6 H6 H5 H8 H5 H6 H5 H8 H6 H8 H6

2B 3B 3B 3B 3B 3B 3B 3B 3B 3B 3B 3B 3B 3B 3B 2B 2B 3B 3B 2B 2B 2B 2B 2B 2B 3B 3B 2B 3B 3B 3B 2B 3B 2B 3B

– – – – – – –

TFB81700 TFB81701 TFB81702 TFB81703 TFB81704 TFB81705 TFB81706 TFB81707 TFB81708 TFB81709 TFB81710 TFB81711 TFB81712 TFB81713 TFB81714 TFB81715 TFB81716 TFB81717 TFB81718 TFB81719 TFB81720 TFB81721 TFB81722 TFB81723 TFB81724 TFB81725 TFB81726 TFB81727 TFB81728 TFB81729 TFB81730 TFB81731 TFB81732 TFB81733 TFB81734

6 8

0 1 1 2 2 3 3 4 4 5 5 6 6 8 8

10 10

FRACTIONAL

1/4" 1/4"

TFP71707 TFP71708 TFP71709 TFP71710 TFP71711 TFP71712 TFP71713 TFP71714 TFP71715 TFP71716 TFP71717 TFP71718 TFP71719 TFP71720 TFP71721 TFP71722 TFP71723 TFP71724 TFP71725 TFP71726 TFP71727 TFP71728 TFP71729 TFP71730 TFP71731 TFP71732 TFP71733 TFP71734

5/16" 5/16"

3/8" 3/8"

7/16" 7/16"

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

10 10 12 12

B

FRACTIONAL

5/16" 5/16"

1/4" 1/4"

3/8" 3/8"

5/16" 5/16"

7/16"

3/8" 3/8"

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

7/16" 7/16"

1/2" 1/2"

9/16" 9/16"

10 10 10 10 10 10 10 12 12 12 12 12

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

1 per pack

Nut Taps High-Speed Steel Ground Thread

8

1"

1 per pack

NEW!

TAP

GRIND NO. OF THREAD OVERALL LIMITS FLUTES LENGTH LENGTH

TPI

STOCK #

SIZE

20 18 16 13

H3 H3 H3 H3

4 4 4 4

1-5/8"

5

NT30230 NT30232 NT30234 NT30238

1/4"

• Nut taps have long thread length, long chamfers & longer shanks • Long chamfers assist in centering the hole • May also be used to reach holes that would not be accessible with regular length taps Features:

1-13/16" 5-1/2

5/16"

2"

6 7

3/8" 1/2"

2-1/2"

1 per pack

B-19