Threading Tap Sets

What are tap sets?


Used to cut a thread into a piece of material, taps are used similarly to a drill bit but rather than removing material to create a hole, a tap removes material for an existing holes walls to create a screw or bolt thread. Taps can be used with a tap wrench or with a power tool such as a drill. Forming taps by hand with a tap wrench or T wrench gives you the ability to slowly form the thread ensuring it cuts evenly and smoothly for the best finish. Working with power tools to cut threads can be faster for mass produced work but care must be taken to ensure the thread is cut correctly.


Different types of taps


Taper taps are used to start new threads in materials that have not previously been cut. This gradual tapered cut allows for a smooth start to a new thread. These are commonly used in tougher materials like alloy steel to create less strain on the tap as well as on smaller diameter holes with thinner taps that are more prone to breaking whilst cutting.


Second taps, also known as plug or intermediate taps are used similarly to the taper tap, working to create a fresh new thread in material often not having previously been cut. Second taps have a shorter taper but more threads along the cutting length to create more thread, faster. Second taps are one of the most commonly used taps as they can cut fresh threads in material whilst also re-cutting threads in slightly worn or older crossed threads.


Bottom taps, unlike taper and second taps, are a straight, continuous cutting edge with no taper, meaning threads are cut as soon as the tap enters the hole. The full cutting body allows for threads to be cut right down to the bottom of a blind hole. Blind hole tapping is when a thread is cut into a hole that does not pass fully through a piece of material. The bottom tap is typically only used when an existing thread has been cut either with a taper or second tap or when re-cutting an old thread that may have worn or been cross threaded.



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Description Price Set Type Maximum Tap Size Minimum Tap Size Number of Pieces Material Set Contents
RS Stock No. 241-4300
Mfr. Part No.E515 5/16 X 18 SET
BrandDormer
MYR173.76
1 Set
Set(s)
Straight Flute Tap 5/16 in UNC 5/16 in UNC 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 241-4108
Mfr. Part No.E500 8.0 X 1.25 3FL SET3
BrandDormer
MYR184.18
1 Set
Set(s)
Straight Flute Tap M8 M8 3 HSS Taper Tap; Plug Tap and Bottom Tap
RS Stock No. 509-0137
Mfr. Part No.10028
BrandEVENTUS
MYR66.94
Each
units
Hand Tap M12 M12 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 241-4041
Mfr. Part No.E500 3.0 X 0.50 3FL SET3
BrandDormer
MYR179.71
1 Set
Set(s)
Straight Flute Tap M3 M3 3 HSS Taper Tap; Plug Tap and Bottom Tap
RS Stock No. 469-3347
Mfr. Part No.7910 E500
BrandDormer
MYR332.83
1 Set
Set(s)
Straight Flute Tap M10 M3 6 HSS M3; M4; M5; M6; M8; M10
RS Stock No. 509-0266
Mfr. Part No.10004
BrandEVENTUS
MYR36.68
Each
units
Hand Tap M3 M3 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 508-8831
Mfr. Part No.01539
BrandEXACT
MYR99.63
Each
units
Hand Tap 3/8 in UNF 3/8 in UNF 2 HSS Taper Tap and Second Tap
RS Stock No. 509-0159
Mfr. Part No.03448
BrandEXACT
MYR613.86
1 Set
Set(s)
Machine tap M12 M4 6 HSSG-E M4; M5; M6; M8; M10; M12
RS Stock No. 241-4338
Mfr. Part No.E515 1/2 X 13 SET
BrandDormer
MYR271.28
1 Set
Set(s)
Straight Flute Tap 1/2 in UNC 1/2 in UNC 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 241-4322
Mfr. Part No.E515 3/8 X 16 SET
BrandDormer
MYR211.32
1 Set
Set(s)
Straight Flute Tap 3/8 in UNC 3/8 in UNC 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 241-4079
Mfr. Part No.E500 5.0 X 0.80 3FL SET3
BrandDormer
MYR139.40
1 Set
Set(s)
Straight Flute Tap M5 M5 3 HSS Taper Tap; Plug Tap and Bottom Tap
RS Stock No. 241-4029
Mfr. Part No.E500 2.5 X 0.45 3FL SET3
BrandDormer
MYR246.26
1 Set
Set(s)
Straight Flute Tap M2.5 M2.5 3 HSS Taper Tap; Plug Tap and Bottom Tap
RS Stock No. 508-8825
Mfr. Part No.01545
BrandEXACT
MYR164.82
Each
units
Hand Tap 1/2 in UNF 1/2 in UNF 2 HSS Taper Tap and Second Tap
RS Stock No. 241-4013
Mfr. Part No.E500 2.0 X 0.40 3FL SET3
BrandDormer
MYR284.86
1 Set
Set(s)
Straight Flute Tap M2 M2 3 HSS Taper Tap; Plug Tap and Bottom Tap
RS Stock No. 241-5139
Mfr. Part No.E524 3/8 X 24 SET
BrandDormer
MYR274.18
1 Set
Set(s)
Straight Flute Tap 3/8 in UNF 3/8 in UNF 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 241-4271
Mfr. Part No.E515 NO.6 X 32 SET
BrandDormer
MYR152.94
1 Set
Set(s)
Straight Flute Tap #6 UNC #6 UNC 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 508-9452
Mfr. Part No.20331
BrandEVENTUS
MYR302.31
1 Set
Set(s)
Short machine tap M12 M3 16 HSS Taper Taps: M3; M4; M5; M6; M8; M10; M12; Second Taps: M3; M4; M5; M6; M8; M10; M12; Tap Wrench; Tool Holder
RS Stock No. 508-8926
Mfr. Part No.01527
BrandEXACT
MYR82.52
Each
units
Hand Tap #10 UNF #10 UNF 2 HSS Taper Tap and Second Tap
RS Stock No. 508-9496
Mfr. Part No.10016
BrandEVENTUS
MYR32.32
Each
units
Hand Tap M6 M6 3 HSS Taper Tap; Second Tap and Plug Tap
RS Stock No. 509-0238
Mfr. Part No.10012
BrandEVENTUS
MYR37.03
Each
units
Hand Tap M5 M5 3 HSS Taper Tap; Second Tap and Plug Tap
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