Threading Taps

Threading taps are used to create threads for bolts in materials like metals and plastics. Most commonly used in engineering and manufacturing, threading taps work similar to a drill but due to the unique shape of a tap, when screwed into a piece of material screw threads are created. Threading taps must be used in a predrilled hole and cannot be used for drilling entire holes.

Types of Threading Taps

Most commonly classified by three types, taps can be used in different ways for different applications.
•Taper taps, sometimes called starter taps, are used to initially start a new thread with the first 7-10 threads having a flatter profile than those further up the shaft.


•Plug taps are similar to taper taps but unlike a taper tap, plug taps only have 3-5 starting rows ground down leaving more shaft to create a thread.


•Bottom taps are square in profile with no ground down threads and are used after a taper or plug tap has been used. Bottom taps full length cutting shape allow for threads to be cut at the very bottom of a hole for maximum thread length.



Taps come in a range of sizes in both Metric and Imperial dimension and can also have different shank types. Threading taps are used in conjunction with a tap wrench so always consider the maximum side tap your wrench can hold when purchasing.

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Description Price Thread Size Type Pitch Thread Standard Thread Direction Overall Length Material Shank Diameter Shank Type Ring Colour For Use With Class of Fit
RS Stock No. 389-1988
Mfr. Part No.45066
BrandRecoil
$37.70
Each
units
M6 Bottoming 1mm Metric Coarse - - - - Plain - - -
RS Stock No. 390-2482
Mfr. Part No.45046
BrandRecoil
$31.31
Each
units
M4 Bottoming 0.7mm Metric Coarse - - - - Plain - - -
RS Stock No. 389-1966
Mfr. Part No.45036
BrandRecoil
$32.80
Each
units
M3 Bottoming 0.5mm Metric Coarse - - - - Plain - - -
RS Stock No. 389-1972
Mfr. Part No.45056
BrandRecoil
$32.87
Each
units
M5 Bottoming 0.8mm Metric Coarse - - - - Plain - - -
RS Stock No. 389-1994
Mfr. Part No.45086
BrandRecoil
$54.52
Each
units
M8 Bottoming 1.25mm Metric Coarse - - - - Plain - - -
RS Stock No. 389-2004
Mfr. Part No.45106
BrandRecoil
$64.78
Each
units
M10 Bottoming 1.5mm Metric Coarse - - - - Plain - - -
RS Stock No. 389-2048
Mfr. Part No.47126
BrandRecoil
$69.62
Each
units
M12 Bottoming 1.5mm Metric Medium - - - - Plain - - -
RS Stock No. 389-2032
Mfr. Part No.45126
BrandRecoil
$80.56
Each
units
M12 Bottoming 1.75mm Metric Coarse - - - - Plain - - -