HSS Machine Taps

1. Introduction: The Gold Standard for Blind Hole Tapping Our DIN 371/376 HSS-E M35 TiN Coated Spiral Flute Taps represent the ultimate fusion of metallurgical toughness and advanced surface coating technology. Designed specifically for blind-hole applications in high-volume CNC environments, these taps feature a 35° helix angle that pulls chips upward with mechanical precision. The addition of 5% Cobalt (M35) combined with a Titanium Nitride (TiN) coating provides a dual

1. Introduction: The Armor-Plated Blind Hole Specialist Our DIN 371/376 HSS-E M35 Nitrided Spiral Flute Taps represent the pinnacle of surface engineering for blind-hole tapping. By combining the high red-hardness of 5% Cobalt (M35) with a specialized Nitrided surface treatment, these taps provide an "armored" cutting edge. The 35° spiral flute design acts as a high-speed elevator, pulling chips upward and out of the hole, while the nitrided layer (Surface Hardness approx HRC

1. Introduction: The Ultimate Through-Hole Solution Our DIN 371/376 Nitrided Spiral Point Machine Taps, commonly referred to as Gun Taps, are the industry standard for high-speed, high-efficiency through-hole threading. This tap features a straight flute designed to be stronger than a spiral flute tap, while the specialised spiral point geometry at the cutting face continuously pushes chips forward and out through the bottom of the hole. This eliminates chip evacuation issues

1. Introduction: The Professional Blind Hole Solution The DIN 371/376 HSS-E M35 Spiral Flute Machine Taps are the definitive solution for high-speed, automated blind hole tapping. Featuring a precision-engineered 35° helix angle, these taps lift chips upward and out of the hole, preventing the catastrophic "chip-packing" that leads to tool breakage. Forged from premium M35 Cobalt Steel (5% Co), this series offers the thermal stability required for machining work-hardening

1. Introduction: The Blind Hole Specialist The DIN 371/376 HSS-E M35 Spiral Flute Machine Taps are engineered for high-efficiency threading in blind holes (holes that do not go all the way through). Featuring a 35° right-hand helix (spiral), these taps act like a drill bit for chips, lifting them upward and out of the hole to prevent clogging and tap breakage. Forged from premium M35 High-Speed Steel with 5% Cobalt (HSSE), these tools provide superior heat resistance and edge

1. Introduction: The Critical Fastener Standard The M12 x 1.75 is the "backbone" size for structural bolting in construction, automotive frames, and heavy machinery. Our DIN 352 Hand Tap Set is designed to solve the primary challenge of M12 tapping: High Radial Torque. By distributing the cutting load across a 3-piece sequence—Taper, Plug, and Bottoming—we ensure that threads are formed with 100% vertical alignment and zero micro-cracking in the workpiece, which is vital for

1. Introduction: The Industrial Workhorse The M10 x 1.5 is the standard coarse thread size for medium-duty fasteners found in heavy machinery, automotive frames, and structural steel. Our DIN 352 Hand Tap Set is the preferred choice for manual threading where precision and tool longevity are paramount. By employing the classic 3-piece system—Taper, Plug, and Bottoming—users can manage the significant torque required to cut M10 threads in tough materials, ensuring a clean,

1. Introduction: The Precision M5 Standard The M5 x 0.8 is a critical metric fastener size used extensively in electronic enclosures, automotive brackets, and light machinery. Our DIN 352 Hand Tap Set provides a professional-grade manual threading solution. By utilizing a 3-piece sequence—Taper (No.1), Plug (No.2), and Bottoming (No.3)—this set ensures that threads are formed gradually. This staged approach is vital for the M5 size, as it significantly reduces the torque load

1. Introduction: The Universal M6 Standard The M6 x 1.0 is the most widely utilized metric fastener size globally, essential for automotive assembly, furniture manufacturing, and general machinery. Our DIN 352 M6 Hand Tap Set provides a professional-grade solution for creating high-precision internal threads in manual operations. By employing the traditional 3-piece sequence (Taper, Plug, and Bottoming), this set allows for gradual material removal. This is critical for

1. Introduction: The M4 Industrial Standard The M4 (M4 x 0.7) is a critical fastener size used extensively in automotive sensors, electrical enclosures, and light machinery. Our DIN 352 M4 Hand Tap Set is engineered to produce high-precision internal threads in manual operations. By utilizing the traditional 3-piece sequence (Taper, Plug, and Bottoming), this set allows users to form threads gradually. This is especially important for the M4 size, where the tool's core

1. Introduction: The M3 Tapping Standard The M3 (M3 x 0.5) is one of the most widely used precision sizes in the electronics, automotive, and instrument industries. Our DIN 352 M3 Hand Tap Set is designed to provide clean, high-tolerance threads in manual operations. This 3-piece set—comprising the Taper (No.1), Plug (No.2), and Bottoming (No.3) taps—ensures the thread is formed gradually, which is critical for the delicate core diameter of M3 tools. To meet diverse market

1. Introduction In manual threading, the greatest cost is not the tool, but a broken tap inside an expensive workpiece. Our DIN 352 3-Piece Set is specifically engineered to mitigate this risk through a systematic material removal process: No.1 Taper Tap: Features a long lead-in chamfer that acts as a self-aligning guide, ensuring the thread starts perfectly vertical even in field repairs. No.2 Plug Tap: Refines the thread profile, distributing the cutting torque to prevent

1. Introduction The DIN 352 HSS-M2 Hand Tap Set is a cornerstone for professional manual threading, specifically engineered for industrial maintenance, large-scale fabrication, and precision engineering. This professional 3-piece kit includes the Taper (No.1), Plug (No.2), and Bottoming (No.3) taps, allowing for a gradual thread-forming process that ensures maximum accuracy while minimizing torque load and tool breakage. Manufactured from authentic M2 High-Speed Steel (AISI

1. Introduction The DIN 352 HSSE VAP Hand Tap 3pcs Set represents the pinnacle of manual threading technology for tough materials. This set is specifically engineered for Stainless Steel (Inox) and high-tensile alloys where precision and alignment are critical. What sets this kit apart is the integrated Guide Pin on the No.1 (Taper) tap, which ensures the tool remains perfectly coaxial with the pre-drilled hole, eliminating the common issue of "tilted" threads during manual

1. Introduction The 13-Piece TiN Coated Combination Drill and Tap Set represents the ultimate efficiency for modern metalworking and industrial maintenance. This comprehensive kit eliminates the need for separate drilling, tapping, and deburring tools by integrating all three functions into a single high-performance bit. Each bit is manufactured from premium High-Speed Steel (HSS-M2) and enhanced with a Titanium Nitride (TiN) coating. This golden coating significantly

1. Introduction The 6-Piece Combination Drill and Tap Bit Set is an essential efficiency-boosting tool for modern industrial fabrication and MRO (Maintenance, Repair, and Operations). This all-in-one tool integrates drilling, tapping, and deburring/countersinking into a single operation, significantly reducing production time and the need for multiple tool changes. Manufactured from high-grade High-Speed Steel (HSS-M2 or 4341), these bits are designed for use with impact

1. Introduction Our ANSI Standard NPT (National Pipe Taper) Straight Flute Taps are the industry standard for creating leak-proof, pressure-tight mechanical seals in piping systems. Manufactured strictly according to ANSI B1.20.1 specifications, these taps feature the mandatory 1°47' taper angle required for "Dryseal" applications in hydraulic, pneumatic, and plumbing sectors. Crafted from premium HSS-M2 (High-Speed Steel), these taps offer a superior balance of toughness and

1. Introduction The 6-Piece NPT Pipe Tap Set is a precision engineering solution designed for high-standard fluid connection systems. The NPT (National Pipe Taper) standard features a unique 1°47' taper that creates a "dry seal" through mechanical interference, making it indispensable for high-pressure, leak-proof piping. Available in HSS 4241, 4341, and M2 grades, this set covers essential sizes from 1/8" to 1". The straight flute design provides exceptional cutting edge

1. Product Overview As a premier specialized manufacturer, JiangSu Xingrui Precision Tools Co., Ltd. offers professional-grade NPT (National Pipe Taper) machine taps designed for high-pressure sealing and industrial piping applications. Engineered with a 1:16 taper ratio, these tools are crafted from premium High-Speed Steel (HSS) and HSSE to ensure exceptional durability and thread accuracy for airtight, leak-proof joints. Core Advantages: Superior Material Grade: Constructe

Premium DIN 371 & DIN 376 HSS-E Taps: The Ultimate Threading Solution for Global Industry In modern manufacturing—from the heavy industries of Russia and the precision engineering of Germany to the booming automotive sectors in Brazil and the USA—the demand for reliable, high-speed threading is universal. Our range of DIN 371 and DIN 376 HSS-E (5% Cobalt) taps is engineered to meet the strictest international standards, providing unmatched precision and tool life. 1.