STI Plug Taps
HIGH SPEED STEEL - GROUND THREAD
MADE IN THE USA BY REIFF & NESTOR
  • H-3 Thread Limit- H-1  -  H-2  -  H-4 also available
  • Use to produce threads for helical coil wire screw thread inserts
  • STI taps are oversized so the thread produced accepts a helical coil wire screw thread insert of the same nominal size and pitch.
  • Taps are marked with "STI" and the nominal size and pitch of the bolt to be used.
  • Click here to chat with sales

STI Straight Flute Taps
Tap Size Flutes Part Number Price Qty 1-11 Price Qty 12+ Order Quantity
6-32
3
RFN-54232
$ 8.38
$ 7.62
8-32
3
RFN-54432
$ 8.38
$ 7.62
10-24
3
RFN-54532
$ 8.72
$ 7.94
10-32
3
RFN-54632
$ 8.72
$ 7.94
12-24
3
RFN-54732
$ 9.22
$ 8.39
1/4-20
3
RFN-54832
$ 9.22
$ 8.39
1/4-28
3
RFN-54932
$ 9.22
$ 8.39
5/16-18
4
RFN-55032
$ 10.02
$ 9.12
5/16-24
4
RFN-55132
$ 10.02
$ 9.12
3/8-16
4
RFN-55232
$ 12.89
$ 11.74
3/8-24
4
RFN-55332
$ 12.89
$ 11.74
7/16-14
4
RFN-55432
$ 14.98
$ 13.63
7/16-20
4
RFN-55532
$ 14.98
$ 13.63
1/2-13
4
RFN-55632
$ 19.25
$ 17.52
1/2-20
4
RFN-55732
$ 19.25
$ 17.52
The Taps below start qty discounts at three pieces.
Tap Size Flutes Part Number Price Qty 1-2 Price Qty 3+ Order Quantity
5/8-11
4
RFN-55752
$ 44.34
$ 40.35
5/8-18
4
RFN-55762
$ 44.34
$ 40.35
3/4-10
4
RFN-55772
$ 62.06
$ 56.47
3/4-16
4
RFN-55782
$ 62.06
$ 56.47

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