STI Taps

Recoil STI Insert Taps
 
Recoil taps differ from standard taps dimensionally and only Recoil Screw Thread Insert (STI) Taps are suitable for use with Recoil Wire Thread Inserts.
 
Recoil STI taps are manufactured to precise standards from either High-Speed Steel (HSS) or (HSS-E) with ground threads and are available with taper, intermediate (Plug) and bottoming leads. They have a larger diameter but the same pitch as a standard tap in order to accommodate the wire insert.








Recoil Taps or Helicoil Taps or STI Taps or Screw Thread Insert Taps are used with Recoil Inserts or Helicoil Inserts only. Recoil taps are manufactured to precise standards from High-Speed steel (HSS) with ground threads and are available in Taper, Intermediate and Bottoming lead. They have a large diameter but the same pitch as a standard tap in order to accommodate the Recoil Inserts. Spiral Point and Spiral Flute machine taps are also available. For all spark plug applications, pilot nose taps are available. The Recoil thread inserts, when installed into a correctly tapped hole, will provide the applicable internal thread tolerance for the installed bolt.

Thread Class

Unified Thread Class

In the unified thread system, the minimum pitch diameter for a 2B hole (medium fit) or 3B hole (close fit) are the same, while the maximum pitch diameter is greater on the 2B hole (medium fit). Recoil taps for unified threads are made to a 3B hole (close fit) tolerance.

Metric Thread Class

In the metric thread system, the minimum pitch diameter for a 5H hole (medium fit) or 4H5H hole (close fit) are the same, while the maximum pitch diameter is greater on the 5H hole (medium fit). Recoil taps for metric threads are made to 4H5H hole (close fit) tolerance.

Recoil taps or Helicoil Taps are manufactured for every thread form including UNC, UNF, BSC, BSW, BSP, BSF, BA, NPT, and ISO metric thread sizes.

Recoil taps or Helicoil taps are available in sizes M2 to M52, UNC 2-56 to UNC 1-1/2-6, UNF 3-56 to UNC 1-1/2-12, 0BA to 6BA, BSC 5/16 to BSC ½, BSF 3/16 to BSF 1-1/4-9, BSP 1/8 to BSP 1-11, BSW 1/8 to BSW 1-1/2-6, NPT 1/8 to NPT1-11, UN 1-1/8-8 to UN 3-8 and Spark Plug Sizes M10x1, M12x1.25, M14x1.25, M18x1.5.

Tap Thread
Tap Style
Products (Total Items: 379)
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Recoil® 44535 STI Tap, #3-56 UNF 3B, Intermediate Style, High Speed Steel
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( 0 In Stock )
Your Price: $17.85
Currently On Backorder. Please See Substitute/Alternative Items Below
Recoil® 44545 STI Tap, #4-48 UNF 3B, Intermediate Style, High Speed Steel
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( 0 In Stock )
Your Price: $16.2167
Currently On Backorder. Please See Substitute/Alternative Items Below
Recoil® 44565 STI Tap, #6-40 UNF 3B, Intermediate Style, High Speed Steel
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( 1 In Stock )
Your Price: $16.2167
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Recoil® 44585 STI Tap, #8-36 UNF 3B, Intermediate Style, High Speed Steel
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( 22 In Stock )
Your Price: $16.2167
Availability
Recoil® 44605 STI Tap, #10-32 UNF 3B, Intermediate Style, High Speed Steel
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( 81 In Stock )
Your Price: $17.20
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Recoil® 44045 STI Tap, 1/4-28 UNF 3B, Intermediate Style, High Speed Steel
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( 30 In Stock )
Your Price: $17.85
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Recoil® 44055 STI Tap, 5/16-24 UNF 3B, Intermediate Style, High Speed Steel
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( 39 In Stock )
Your Price: $19.1667
Availability
Recoil® 44065 STI Tap, 3/8-24 UNF 3B, Intermediate Style, High Speed Steel
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( 6 In Stock )
Your Price: $23.75
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Recoil® 44075 STI Tap, 7/16-20 UNF 3B, Intermediate Style, High Speed Steel
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( 35 In Stock )
Your Price: $28.50
Availability
Recoil® 44085 STI Tap, 1/2-20 UNF 3B, Intermediate Style, High Speed Steel
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( 82 In Stock )
Your Price: $32.10
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Recoil® 44095 STI Tap, 9/16-18 UNF 3B, Intermediate Style, High Speed Steel
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( 6 In Stock )
Your Price: $43.55
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Recoil® 44105 STI Tap, 5/8-18 UNF 3B, Intermediate Style, High Speed Steel
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( 0 In Stock )
Your Price: $50.1833
Currently On Backorder. Please See Substitute/Alternative Items Below
Recoil® 44125 STI Tap, 3/4-16 UNF 3B, Intermediate Style, High Speed Steel
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( 10 In Stock )
Your Price: $61.6667
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Recoil® 44165 STI Tap, 1-12 UNF 3B, Intermediate Style, High Speed Steel
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( 0 In Stock )
Your Price: $95.3143
Currently On Backorder. Please See Substitute/Alternative Items Below
Recoil® 44165-14 STI Tap, 1-14 UNF 3B, Intermediate Style, High Speed Steel
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( 0 In Stock )
Your Price: $95.3143
Currently On Backorder. Please See Substitute/Alternative Items Below
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