STI Spiral Point Plug Taps
HIGH SPEED STEEL - GROUND THREAD
MADE IN THE USA BY REIFF & NESTOR
  • H-4 Thread Limit- H-1  -  H-2  -  H-3 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 Spiral Point Plug Taps
Tap Size Flutes Part Number Price Qty 1-11 Price Qty 12+ Order Quantity
5/16-18
3
RFN-57042
$ 9.95
$ 9.05
3/8-16
3
RFN-57242
$ 12.50
$ 11.38
7/16-14
3
RFN-57442
$ 15.49
$ 14.10
7/16-20
3
RFN-57542
$ 15.49
$ 14.10
1/2-13
3
RFN-57642
$ 19.14
$ 17.42
1/2-20
3
RFN-57742
$ 19.14
$ 17.42

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