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. 508-9840
Mfr. Part No.00055
BrandEVENTUS
MYR29.19
Each
units
M3.5 Plug 0.6mm Metric Coarse - 45 mm HSS 4 mm Plain - - 6H
RS Stock No. 508-9749
Mfr. Part No.05973
BrandEXACT
MYR130.96
Each
units
M20 - 1.5mm Metric Fine - 51 mm HSS - - - - 6H
RS Stock No. 455-908
BrandRS PRO
MYR18.79
Each
units
M2.5 Spiral Point 0.45mm Metric - 44.5 mm HSS 2.8 mm Plain - - -
RS Stock No. 152-564
BrandRS PRO
MYR13.55
Each
units
M2.5 Second, Straight Flute 0.45mm Metric Coarse - - HSS - Plain - - -
RS Stock No. 668-1071
BrandRS PRO
MYR41.08
1 Set
Set(s)
M4 Straight Flute 0.7mm Metric Left Hand 53 mm HSS 4 mm Plain - - -
RS Stock No. 240-3108
Mfr. Part No.E500 3.0 X 0.50 3FL SEC
BrandDormer
MYR53.74
Each
units
M3 Second, Straight Flute 0.5mm Metric Right Hand 48 mm HSS 3.15 mm Plain - - 6H
RS Stock No. 455-895
BrandRS PRO
MYR17.34
Each
units
M4 Spiral Point 0.7mm Metric - 53 mm HSS 4 mm Plain - - -
RS Stock No. 455-970
BrandRS PRO
MYR29.97
Each
units
#4-40 Spiral Point - UNC - 48 mm HSS 3.15 mm Plain - - -
RS Stock No. 299-9687
Mfr. Part No.E500-M2,3/0,45
BrandDormer
MYR117.93
Each
units
M2.3 Straight Flute 0.45mm Metric Right Hand 44.5 mm HSS 2.8 mm Plain - - 6H
RS Stock No. 509-0222
Mfr. Part No.20007
BrandEVENTUS
MYR35.45
Each
units
M12 Short Machine 1.75mm Metric - 75 mm HSS - Plain - - 6H
RS Stock No. 300-0205
Mfr. Part No.E513-M10/1,25
BrandDormer
MYR96.18
Each
units
M10 Straight Flute 1.25mm Metric Fine Right Hand 80 mm HSS 10 mm Plain - - 6H
RS Stock No. 508-9884
Mfr. Part No.00031
BrandEVENTUS
MYR44.21
Each
units
M2 Plug 0.4mm Metric Fine - 36 mm HSS 2.8 mm Plain - - 6H
RS Stock No. 240-3209
Mfr. Part No.E500 5.0 X 0.80 3FL SEC
BrandDormer
MYR51.14
Each
units
M5 Second, Straight Flute 0.8mm Metric Right Hand 58 mm HSS 5 mm Plain - - 6H
RS Stock No. 528-3957
Mfr. Part No.E001M6
BrandDormer
MYR103.96
Each
units
M6 Spiral Point 1mm Metric Right Hand 66 mm HSS-XS1 6.3 mm Plain - - 6H
RS Stock No. 508-9733
Mfr. Part No.20006
BrandEVENTUS
MYR26.55
Each
units
M10 Short Machine 1.5mm Metric - 70 mm HSS - Plain - - 6H
RS Stock No. 522-7531
BrandRS PRO
MYR33.50
Each
units
M5 Second, Straight Flute 0.5mm Metric Fine - 60 mm HSS 5 mm Plain - - 6H
RS Stock No. 152-283
BrandRS PRO
MYR28.18
Each
units
M12 Straight Flute, Taper 1.75mm Metric Coarse - - HSS - Plain - - -
RS Stock No. 812-6002
Mfr. Part No.E473M8
BrandDormer
MYR132.33
Each
units
M8 Spiral Flute 1.25mm Metric Right Hand 90 mm HSS 8 mm Plain Green - 6H
RS Stock No. 752-5341
Mfr. Part No.EP00M3
BrandDormer
MYR108.67
Each
units
M3 Spiral Point 0.5mm Metric Right Hand 56 mm HSS-XS1 3.5 mm Plain - - 6H
RS Stock No. 455-936
BrandRS PRO
MYR27.66
Each
units
M2 Spiral Point 0.4mm Metric - 41 mm HSS 2.5 mm Plain - - -
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