ANXCD5SUSYatora Stainless Spiral Flute Tap UNC 5SUSSold0pcsCrafted in HSS-EX, the UNC 5SUS is a high-quality French-brand spiral flute tap, ideal for tapping blind (non-through) holes — its spiral flutes pull chips back toward the shank, keeping the hole bottom clear. Available in 10 sizes (thread dia 1~5, pitch 10~40, thread length 2.5mm, overall length 44~105mm, shank dia 3~14mm). Black-oxide finish resists galling and rust. Suitable for machining stainless steel, workpiece hardness up to HRC30. French brand, consistent quality.
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Stainless Steel Tap
Product Overview: HSS Tiger Stainless Steel Spiral Flute Tap UNC – 5SUS Series
【Product Features & Why We Recommend It】
- French Brand Professional Quality: Originating from a professional French cutting tool brand with rigorous quality control — recommended for users with high demands on UNC stainless steel spiral blind hole tapping accuracy and tool durability.
- Stainless Steel UNC Blind Hole Dedicated Optimized Design: Features a UNC spiral flute tap geometry specifically optimized for the difficult-to-machine characteristics of stainless steel — including high toughness, susceptibility to work hardening, and continuous chip formation — the spiral design pulls chips upward and out, recommended for stainless steel UNC blind hole tapping operations, effectively managing continuous chip upward evacuation and preventing hole bottom chip accumulation, serving as the dedicated solution for UNC stainless steel blind hole tapping.
- HSS-EX Ultra-High Performance Substrate: Manufactured with HSS-EX ultra-high performance high-speed steel, delivering superior hardness, toughness, and wear resistance compared to standard HSS and HSS-CO — recommended for long-duration stable UNC spiral blind hole tapping of difficult-to-machine materials such as stainless steel.
- Black Oxide Surface Treatment: The surface is treated with black oxide (Steam Oxide) finishing, providing good lubricity and anti-adhesion characteristics — more effectively reducing friction between chips and the tool compared to uncoated tools, recommended for suppressing built-up edge and adhesion issues during UNC stainless steel blind hole tapping to maintain UNC thread quality and tapping stability.
- Spiral Flute Upward Chip Evacuation Design: The spiral flute design pulls chips upward and out of the hole — recommended for stainless steel UNC blind hole tapping operations, effectively managing continuous chip evacuation to ensure smooth blind hole tapping and thread accuracy.
- 10 UNC Specification Precise Coverage: Available in thread diameter 1–5 inches and pitch 10–40 TPI across 10 specifications — recommended as the dedicated high-performance stock tool for UNC stainless steel blind hole spiral tapping, addressing common North American specification stainless steel workpiece blind hole tapping requirements.
【Machining Applications & Uses】
- Primary Use: Stainless steel UNC blind hole precision spiral tapping, North American specification stainless steel component UNC blind hole thread forming, and NC machining center UNC stainless steel automatic blind hole tapping.
- Recommended Work Materials:
- M-Class (Stainless Steel): SUS304, SUS316, SUS420, and other high-toughness stainless steel — the sole dedicated recommended application scenario for this series, where the UNC stainless steel dedicated spiral geometry combined with HSS-EX substrate and black oxide surface treatment effectively addresses the unique stainless steel UNC blind hole tapping challenges of work hardening, continuous chip formation, and hole bottom chip accumulation, recommended for use with appropriate cutting fluid.
