ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Hardness | HRC63-65 |
| Packaging Details | Plastic box |
| Process | Fully Ground |
| Material | HSS-M2 |
| Supply Ability | 30000 SET PER DAY |
| Payment Terms | L/C, T/T, Western Union |
| Flute type | Straight flute |
| name | DIN352 HAND TAPS SET |
| Size | M3-M20 |
| Tolerance | 6H |
| Application | non-ferrous Alloys |
| Hole type | Though Hole |
| Coating | Bright finished |
| Delivery Time | 25-30 days |
| Model Number | M2-42 |
| Place of Origin | CHINA |
| Certification | ISO9000 |
| Brand Name | XRTOOLS |
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Product Specification
| Hardness | HRC63-65 | Packaging Details | Plastic box |
| Process | Fully Ground | Material | HSS-M2 |
| Supply Ability | 30000 SET PER DAY | Payment Terms | L/C, T/T, Western Union |
| Flute type | Straight flute | name | DIN352 HAND TAPS SET |
| Size | M3-M20 | Tolerance | 6H |
| Application | non-ferrous Alloys | Hole type | Though Hole |
| Coating | Bright finished | Delivery Time | 25-30 days |
| Model Number | M2-42 | Place of Origin | CHINA |
| Certification | ISO9000 | Brand Name | XRTOOLS |
| High Light | industrial hss machine taps ，industrial straight flute taps ，m2 hss machine taps | ||
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 excessive stress on the tool.
No.3 Bottoming Tap: Completes the thread to the very bottom of blind holes, maximizing fastener engagement in critical structural assemblies.
| 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 |
While the market is flooded with low-grade "HSS," our taps are forged from Genuine M2 High-Speed Steel.
Superior Red Hardness: Maintains cutting edge integrity at temperatures up to 600°C, essential for tough alloy steels.
Optimized Toughness: The specific Tungsten-Molybdenum ratio provides the "flexibility" required to survive the slight manual wobbles inherent in hand tapping without snapping.
Precision Full-Grinding: Unlike rolled threads, our Fully Ground process ensures zero surface decarburization, resulting in a 30% increase in wear resistance and thread surface finish.
Since 1997, our factory has optimized every detail for the global B2B market:
Logistics Protection: Every 3-piece set is housed in a high-impact Rose-Box plastic case, treated with high-viscosity anti-rust oil to ensure "factory-fresh" arrival after months of sea transit.
Inventory Efficiency: Our boxes feature high-contrast, clear size markings and barcodes, significantly reducing picking errors in automated warehouses.
OEM Partnership: We provide high-definition Laser Etching on tool shanks (Your Logo + Material + Size) to help you build local brand equity.
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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