Airtek Ltd. — 514-336-3820 — sales@airtekltd.com — www.airtekltd.com

Cutting Tools
Threadwell Taps
Series 631 NPT Tap
Series 632 NPTF Dryseal Taper Pipe Tap

npt tap

These taps are mainly used for tapping pipe fittings.
Their chief characteristic is the taper thread necessary to secure tight joints in pipe fittings.
The taper is 3/4" per foot.

Series 633 NPTF Dryseal Taper Pipe Interrupted Thread Tap
Series 634 NPT Interrupted Thread Tap

pipe tap

Interrupted thread taper pipe taps have every other tooth removed from alternate levels, with the exception of the first few threads at the Chamfer.
The removal of every other tooth helps break the chips and permits a more thorough lubrication to the cutting teeth thus helping to eliminate torn threads.

Series 636 PTF Dryseal Taper Pipe Tap - SAE Short

pipe tap

These short dryseal taper pipe taps are manufactured to automotive standards for taps used to thread shallow holes.

*Small Shank

Tap Size Number of
Flutes
Series 631 Series 632 Series 633 Series 634 Series 636
1/16-27 4 61105 61136 61211
1/8-27* 4 61106 61137 61212
1/8-27 4 61107 61138 61213
1/8-27* 5 61167 61177
1/8-27 5 61168 61178
1/4-18 4 61108 61139 61214
1/4-18 5 61169 61179
3/8-18 4 61109 61140 61215
3/8-18 5 61170 61180
1/2-14 4 61110 61141 61216
1/2-14 5 61171 61181
3/4-14 5 61111 61142 61172 61182 61217
1 - 11 1/2 5 61112 61143 61173 61183
1 1/4 - 11 1/2 5 61113 61144 61174 61184
1 1/2 - 11 1/2 7 61114 61145 61175 61185
2 - 11 1/2 7 61115 61146 61176 61186
2 1/2 - 8 9 66891
3 - 8 9 65124
3 1/2 - 8 9 65125
4 - 8 9 65126

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Series 639 NPS, NPSC, NPSM Tap
Series 640 NPSF Dryseal Straight Tap

pipe tap

These straight pipe taps are used primarily for tapping internal straight threads in lock nuts and couplings for pipe connections and free fitting mechanical joints for fixtures.

*Small Shank

Tap Size Number of
Flutes
Series 639 Series 640
1/8-27* 4 61197 61204
1/8-27 4 61198 61205
1/4-18 4 61199 61206
3/8-18 4 61200 61207
1/2-14 4 61201 61208
3/4-14 5 61202 61209
1-11 1/2 5 61203 61210

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6" Overall Length Extension Taper Pipe Taps

Tap Size Number of
Flutes
NPT NPTF
1/8-27 4 67841 65127
1/4-18 4 67842 65128
3/8-18 4 67843 65129
1/2-14 4 69196 65130
 

Due to the fact that we are continuously improving our products, the descriptions, illustrations,
specifications,dimensions, and part numbers are subject to change without notice.
Every effort has been made to have the information on this site error free, we can not be responsible for errors and or omissions.

Airtek Ltd., 5750 Donahue St., Montreal, Qc, Canada, H4S 1C1
Tel: 514-336-3820