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 Hand/Machine Tap Material Shank Diameter Shank Type Ring Colour For Use With Class of Fit
RS Stock No. 509-0351
Mfr. Part No.10301
BrandEVENTUS
$10.13
Each
units
M3 Spiral Point 0.5mm Metric - 56 mm Machine Tap HSS-G 3.5 mm Plain - - 6H
RS Stock No. 152-069
BrandRS PRO
$12.50
Each
units
M3 Plug, Straight Flute 0.5mm Metric - - Hand Tap HSS - Plain - - -
RS Stock No. 508-9884
Mfr. Part No.00031
BrandEVENTUS
$19.51
Each
units
M2 Plug 0.4mm Metric Fine - 36 mm Hand Tap HSS 2.8 mm Plain - - 6H
RS Stock No. 508-9935
Mfr. Part No.20001
BrandEVENTUS
$7.47
Each
units
M3 Short Machine 0.5mm Metric - 40 mm - HSS - Plain - - 6H
RS Stock No. 508-9856
Mfr. Part No.10003
BrandEVENTUS
$5.66
Each
units
M3 Plug 0.5mm Metric - 40 mm Hand Tap HSS - Plain - - 6H
RS Stock No. 152-075
BrandRS PRO
$12.50
Each
units
M3 Second, Straight Flute 0.5mm Metric - - Hand Tap HSS - Plain - - -
RS Stock No. 508-9632
Mfr. Part No.05974
BrandEXACT
$92.25
Each
units
M25 Straight Flute 1.5mm Metric Fine - 51 mm - HSS - - - - 6H
RS Stock No. 427-953
BrandRS PRO
$64.11
Each
units
PG16-18 Straight Flute - PG - 80 mm Hand Tap HSS 18 mm Plain - - -
RS Stock No. 455-974
BrandRS PRO
$18.04
Each
units
#6-32 Spiral Point - UNC - 50 mm - HSS 3.55 mm Plain - - -
RS Stock No. 455-986
BrandRS PRO
$22.82
Each
units
2 BA Spiral Point 0.81mm BA - 58 mm - HSS 5 mm Plain - - -
RS Stock No. 455-930
BrandRS PRO
$11.49
Each
units
M6 Spiral Point 1mm Metric - 66 mm - HSS 6.3 mm Plain - - -
RS Stock No. 528-3957
Mfr. Part No.E001M6
BrandDormer
$38.42
Each
units
M6 Spiral Point 1mm Metric Right Hand 66 mm Machine Tap HSS-XS1 6.3 mm Plain - - 6H
RS Stock No. 455-968
BrandRS PRO
$16.17
Each
units
1/4-20 Spiral Point - UNC - 66 mm - HSS 6.3 mm Plain - - -
RS Stock No. 602-2113
Mfr. Part No.20182
BrandEVENTUS
$15.62
Each
units
G1/4-19 Short Machine - BSP - 70 mm - HSS - Plain - - -
RS Stock No. 152-164
BrandRS PRO
$13.10
Each
units
M2 Second, Straight Flute 0.4mm Metric - - Hand Tap HSS - Plain - - -
RS Stock No. 668-1078
BrandRS PRO
$42.37
1 Set
Set(s)
M6 Straight Flute 1mm Metric Left Hand 66 mm - HSS 6.3 mm Plain - - -
RS Stock No. 152-081
BrandRS PRO
$12.50
Each
units
M3 Straight Flute, Taper 0.5mm Metric - - Hand Tap HSS - Plain - - -
RS Stock No. 240-3085
Mfr. Part No.E500 3.0 X 0.50 3FL TPR
BrandDormer
$25.19
Each
units
M3 Straight Flute, Taper 0.5mm Metric Right Hand 48 mm Machine Tap HSS 3.15 mm Plain - - 6H
RS Stock No. 522-7632
BrandRS PRO
$67.90
Each
units
M18 Second, Straight Flute 1mm Metric Fine - 97 mm - HSS 13.8 mm Plain - - 6H
RS Stock No. 299-9750
Mfr. Part No.E500-M4/0,75
BrandDormer
$16.32
Each
units
M4 Straight Flute 0.75mm Metric Right Hand 53 mm Machine Tap HSS 4 mm Plain - - 6H
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