ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Payment Terms | L/C, T/T, Western Union |
| Tolerance | 6H |
| Size | M3-M20 |
| Material | HSS-M2 |
| Hardness | HRC63-65 |
| Hole type | Though Hole |
| Application | non-ferrous Alloys |
| Delivery Time | 25-30 days |
| Packaging Details | Plastic box |
| name | DIN352 HAND TAPS SET |
| Coating | Bright finished |
| Process | Fully Ground |
| Supply Ability | 30000 SET PER DAY |
| Flute type | Straight flute |
| Place of Origin | CHINA |
| Model Number | M3-42 |
| Certification | ISO9000 |
| Brand Name | XRTOOLS |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Tolerance | 6H |
| Size | M3-M20 | Material | HSS-M2 |
| Hardness | HRC63-65 | Hole type | Though Hole |
| Application | non-ferrous Alloys | Delivery Time | 25-30 days |
| Packaging Details | Plastic box | name | DIN352 HAND TAPS SET |
| Coating | Bright finished | Process | Fully Ground |
| Supply Ability | 30000 SET PER DAY | Flute type | Straight flute |
| Place of Origin | CHINA | Model Number | M3-42 |
| Certification | ISO9000 | Brand Name | XRTOOLS |
| High Light | industrial hss machine taps ，industrial straight flute taps ，m2 hss machine taps | ||
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 M2) and processed through Precision Full-Grinding, these taps deliver exceptional thread concentricity and a superior surface finish. Since 1997, our factory has balanced high hardness (HRC 63-65) with industrial toughness, making this set the most reliable choice for bulk importers and MRO wholesalers worldwide.
| Parameter | Specification |
| Standard | DIN 352 |
| Material Grade | HSS-M2 (AISI M2 / W6Mo5Cr4V2) |
| Set Configuration | 3-Piece Set (Taper, Plug, Bottoming) |
| Manufacturing | Fully Ground (Precision Machined) |
| Thread Type | Metric (M) |
| Tolerance Class | 6H (ISO 2) |
| Hardness | HRC 63-65 |
| Surface Finish | Bright / VAP (Steam Oxide) / TiN Coated |
Our production covers the following full industrial range:
| Size (D x P) | Overall Length (L1) | Thread Length (L2) | Shank Diameter (D2) | Square Size |
| M2 x 0.4 | 36 mm | 8 mm | 2.8 mm | 2.1 mm |
| M2.5 x 0.45 | 40 mm | 9 mm | 2.8 mm | 2.1 mm |
| M3 x 0.5 | 40 mm | 11 mm | 3.5 mm | 2.7 mm |
| M4 x 0.7 | 45 mm | 13 mm | 4.5 mm | 3.4 mm |
| M5 x 0.8 | 50 mm | 16 mm | 6.0 mm | 4.9 mm |
| M6 x 1.0 | 50 mm | 19 mm | 6.0 mm | 4.9 mm |
| M8 x 1.25 | 56 mm | 22 mm | 6.0 mm | 4.9 mm |
| M10 x 1.5 | 70 mm | 24 mm | 7.0 mm | 5.5 mm |
| M12 x 1.75 | 75 mm | 29 mm | 9.0 mm | 7.0 mm |
| M16 x 2.0 | 80 mm | 32 mm | 12.0 mm | 9.0 mm |
| M20 x 2.5 | 95 mm | 37 mm | 16.0 mm | 12.0 mm |
| M24 x 3.0 | 110 mm | 45 mm | 18.0 mm | 14.5 mm |
| M30 x 3.5 | 125 mm | 48 mm | 22.0 mm | 18.0 mm |
| M35 x 4.0 | 140 mm | 56 mm | 28.0 mm | 22.0 mm |
| M42 x 4.5 | 155 mm | 53 mm | 32.0 mm | 24.0 mm |
Manual Tapping Specialist: Designed for scenarios where machine tapping is impractical, providing safe and precise threading for large workpieces.
Workpiece Compatibility: Optimized for materials with tensile strength up to 900 N/mm²:
Steels: Carbon steel, structural steel, and alloy steel.
Castings: Gray cast iron and ductile iron.
Non-ferrous: Aluminum alloys, copper, and brass.
Maintenance & Repair: Ideal for cleaning out damaged threads or creating new threads in engine blocks, heavy machinery, and valve bodies.
Q: Why is HSS-M2 better for large sizes (M24-M42)?
A: Large threads generate immense friction and heat. M2's high Tungsten and Molybdenum content (Red Hardness) ensures the cutting edges maintain their integrity under extreme pressure, providing 3x the tool life of carbon steel.
Q: Why use the 3-piece sequence instead of a single-pass tap?
A: Manual operation lacks the rigid guidance of a machine. Using No.1 (Taper) to start ensures the tap stays vertical, while No.2 and No.3 complete the thread profile. This drastically reduces the torque needed, preventing tap breakage in expensive workpieces.
Q: Do you support customized markings for distributors?
A: Yes. Since 1997, we have provided full OEM services. We can laser mark your brand name and specific SKU codes directly onto the tool shanks.
Q: What is the quality control for wholesale batches?
A: We implement 100% thread concentricity verification and 6H Go/No-Go gauge testing. A Material Test Report (MTR) verifying the HSS-M2 composition is provided for every shipment.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2018
Total Annual:
500-600
Employee Number:
135~150
Ecer Certification：
Verified Supplier
Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali... Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali...
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