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Spiral-Point STI Taps

Available2 products
Spiral-point STI (screw-thread insert) taps have straight flutes with a spiral point that pushes chips in front of the tap as it moves into a hole and out the other side, eventually forcing the chips out of the hole. They are used for creating oversize internal threads in through holes so a helical-coil screw-thread insert can be installed in the hole. The insert distributes the load across the length of the threads and improves the threads' strength when a fastener with a standard screw thread size is installed in the hole.
Overall Length

Bright-Finish High-Speed Steel Spiral-Point STI Taps

Bright-Finish High-Speed Steel Spiral-Point STI Taps
The bright finish on these taps provides a smooth, polished surface. High-speed steel taps provide good wear resistance in general purpose tapping applications in a range of materials.

EGM + Right Hand + 3 Flute

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EGM + Right Hand + 4 Flute

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EGUNF + Right Hand + 3 Flute

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EGUNF + Right Hand + 4 Flute

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Metric + Right Hand + 2 Flute

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Metric + Right Hand + 3 Flute

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Metric Coarse + Right Hand + 2 Flute

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Metric Coarse + Right Hand + 3 Flute

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Metric Coarse + Right Hand + 4 Flute

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UNC + Right Hand + 2 Flute

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UNC + Right Hand + 3 Flute

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UNC + Right Hand + 4 Flute

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UNF + Right Hand + 2 Flute

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UNF + Right Hand + 3 Flute

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UNF + Right Hand + 4 Flute

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.