ANECD5NPTESkip Tooth Tap LH NPT 5NPTE已售出0個The NPT 5NPTE is a French-brand pipe thread tap made of HSS-EX, ideal for PT/PF pipe threads, commonly used for sealing water, hydraulic and pneumatic line connections. Available in 5 sizes (thread dia 1~3, pitch 14~27, thread length 12.05~22.95mm, overall length 55~85mm, shank dia 8~23mm). Suitable for machining carbon and alloy steel, stainless steel, cast iron, non-ferrous metals like aluminium and copper, workpiece hardness up to HRC30. French brand, consistent quality.
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Left-Hand Pipe Tap
Product Overview: HSS Interrupted Thread Tap Left-Hand NPT – 5NPTE 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 standard demands on NPT American standard taper pipe thread left-hand tapping stability and multi-material versatility.
- NPT American Taper Pipe Thread Left-Hand Design: Features NPT (American standard taper pipe thread) specification design where tapered thread forming ensures airtight and watertight sealing for American standard pipe fittings — combined with a left-hand (reverse rotation) design, recommended for applications requiring left-hand NPT pipe thread forming or tapping under counter-clockwise spindle rotation conditions.
- 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 NPT left-hand pipe thread tapping across various materials, providing superior tool life compared to standard HSS.
- Interrupted Thread Optimized Geometry: Features an interrupted thread (alternate tooth) design that effectively reduces tapping torque and improves chip evacuation — recommended for precision forming of NPT taper pipe thread profiles, ensuring tapered thread contour accuracy and North American pipe fitting airtight fit requirements, particularly well-suited for stable left-hand tapping of larger diameter pipe threads.
- Broad Material Compatibility: Covers carbon steel, alloy steel, stainless steel, cast iron, and non-ferrous metals — recommended as the standard configuration tool for cross-material general-purpose NPT left-hand pipe thread tapping applications.
- 5 NPT Specification Precise Coverage: Available in thread diameter 1–3 inches and pitch 14–27 TPI across 5 specifications — recommended as the high-performance stock tool for NPT left-hand pipe thread tapping across various materials, covering common North American specification pipe fitting thread requirements.
【Machining Applications & Uses】
- Primary Use: NPT American standard taper pipe thread left-hand precision tapping, North American pipe fitting airtight thread forming, and special anti-loosening NPT left-hand pipe thread hole machining.
- Recommended Work Materials:
- P-Class (Carbon Steel / Alloy Steel): Structural steel, carbon steel, and alloy steel — recommended for hardness below HRC30, where the HSS-EX substrate delivers stable NPT left-hand pipe thread tapping performance.
- M-Class (Stainless Steel): SUS304, SUS316, and other high-toughness stainless steel pipe fittings — the HSS-EX ultra-high performance substrate effectively addresses work hardening challenges, recommended for use with appropriate cutting fluid.
- K-Class (Cast Iron): Cast iron and gray iron pipe components — the HSS-EX substrate provides stable wear-resistant NPT left-hand pipe thread tapping tool life.
- N-Class (Non-Ferrous Metals): Aluminum alloys, copper pipe fittings, and other non-ferrous metals — recommended for use with appropriate cutting fluid to ensure NPT left-hand pipe thread quality.
