ANECD585Straight Flute Pipe Tap NPT 585已售出0個Crafted in HSS, the NPT 585 is a high-quality French-brand pipe thread tap, ideal for PT/PF pipe threads, commonly used for sealing water, hydraulic and pneumatic line connections. Available in 9 sizes (thread dia 1~3, pitch 11.5~27, thread length 10.1~32.7mm, overall length 59~140mm, shank dia 8~40mm). Suitable for machining carbon and alloy steel, stainless steel, cast iron, non-ferrous metals like aluminium and copper, workpiece hardness up to HRC20/HRC25. French brand, consistent quality.
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Product Overview: HSS Straight Flute Pipe Tap NPT – 585 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 straight flute tapping stability and multi-material versatility.
- NPT American Taper Pipe Thread Straight Flute Design: Features a straight flute (non-spiral) tap geometry that pushes chips forward — recommended for NPT (American standard taper pipe thread) through-hole tapping operations, where tapered thread forming ensures airtight and watertight sealing for American standard pipe fittings, with stable and even torque distribution throughout the machining process, widely applicable to thread machining and maintenance of North American specification pipe equipment.
- HSS Standard High-Speed Steel Substrate: Manufactured with standard high-speed steel (HSS), with maximum machining hardness up to HRC20 (general steel) to HRC25 (cast iron) — recommended for NPT pipe thread tapping of soft to medium-hardness materials, achieving a favorable balance between cost and performance suitable for daily general North American specification pipe fitting machining needs.
- Uncoated Optimized Design: This series features an uncoated design — combined with the HSS substrate characteristics, recommended for use with appropriate cutting fluid to ensure cutting stability and tapered thread quality during NPT pipe thread tapping.
- Extra-Large Shank Diameter and Wide Overall Length Coverage: Shank diameter spanning 8–40mm and overall length spanning 59–140mm — recommended for flexible selection based on machine spindle chuck specifications and workpiece depth, suitable for use across various machine types from small machining centers to large milling machines.
- 9 NPT Specification Wide Coverage: Available in thread diameter 1–3 inches and pitch 11.5–27 TPI across 9 specifications — recommended as the stock tool for NPT pipe thread straight flute tapping across various materials, covering common North American specification pipe equipment and fitting taper pipe thread requirements.
【Machining Applications & Uses】
- Primary Use: NPT American standard taper pipe thread straight flute through-hole precision tapping, North American pipe fitting airtight thread forming, and cast iron pipe component NPT pipe thread machining.
- Recommended Work Materials:
- P-Class (Carbon Steel / Alloy Steel): Structural steel, carbon steel, and alloy steel — recommended for hardness below HRC20, where the HSS substrate delivers basic stable NPT pipe thread tapping performance, representing the ideal application scenario for this series.
- M-Class (Stainless Steel): SUS304 and other stainless steel pipe fittings — recommended for use with appropriate cutting fluid with controlled cutting speed to maintain NPT tapered thread profile accuracy.
- K-Class (Cast Iron): Cast iron pipe components — recommended for hardness below HRC25, where the HSS substrate provides basic wear-resistant NPT 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 taper pipe thread quality.
