ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Number of pieces | 2pc Or Customized |
| Color | Bright |
| Process | Fully Ground |
| Flute type | Straight Flute |
| Material | Alloy Steel,HSS |
| Payment Terms | L/C, D/P, T/T |
| Supply Ability | 10000PCS PER DAY |
| Size | 5/8-18 |
| Sample | Available |
| Delivery Time | 30-35DAYS |
| Packaging Details | PLASTIC BOX |
| Application | Thread Tapping,Creating External and Internal Thread |
| Type | Tap & Die Set |
| Product name | Tap and Die Set for Thread Tapping and Cutting in Metal Box |
| Standard | UNC |
| Model Number | 5/8 |
| Certification | ISO90000 |
| Place of Origin | YANGZHOU |
| Brand Name | XRTOOLS |
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Product Specification
| Number of pieces | 2pc Or Customized | Color | Bright |
| Process | Fully Ground | Flute type | Straight Flute |
| Material | Alloy Steel,HSS | Payment Terms | L/C, D/P, T/T |
| Supply Ability | 10000PCS PER DAY | Size | 5/8-18 |
| Sample | Available | Delivery Time | 30-35DAYS |
| Packaging Details | PLASTIC BOX | Application | Thread Tapping,Creating External and Internal Thread |
| Type | Tap & Die Set | Product name | Tap and Die Set for Thread Tapping and Cutting in Metal Box |
| Standard | UNC | Model Number | 5/8 |
| Certification | ISO90000 | Place of Origin | YANGZHOU |
| Brand Name | XRTOOLS | ||
| High Light | hss taps and dies set ，hss metric tap and die set | ||
Professional mechanics and engineers frequently face these issues with low-quality threading tools:
Tool Breakage: Carbon steel tools often snap inside the hole, leading to expensive extraction processes.
Thread Sloppiness: Poorly calibrated dies create loose threads (loose fits) that compromise structural integrity.
Fast Wear: Tools dull quickly when working with Grade 8 bolts or stainless steel.
Inaccurate Pitch: Slight deviations in TPI (Teeth Per Inch) lead to cross-threading during assembly.
Our HSS-E (Cobalt-ready) series solves these challenges through superior metallurgy and precision grinding:
Fully Ground HSS Construction: Provides significantly higher heat resistance and edge retention than alloy steel.
Precision Class 2B/2A: Taps and dies are calibrated to strict ANSI/ASME standards for a perfect industrial fit.
Enhanced Evacuation: Optimized flute geometry ensures smooth chip flow, preventing "chip packing" and tool snapping.
Laser-Etched Clarity: Permanent high-contrast markings ensure you never grab the wrong size in a busy workshop.
| Component | Dimension (Imperial) | Dimension (Metric) | Technical Details |
| Thread Size | 5/8" - 18 UNF | 15.875mm | Fine Thread Series |
| Total Tap Length | 3.98 in | 101 mm | Standard Reach |
| Tap Thread Length | 1.38 in | 35 mm | Full Depth Capability |
| Shank Diameter | 0.49 in | 12.5 mm | Reinforced Stability |
| Square Head Size | 0.39 x 0.39 in | 10 x 10 mm | Compatible with Standard Wrenches |
| Die Outer Diameter | 1.5 in | 38 mm | Fits Standard Die Stocks |
| Die Thickness | 0.55 in | 14 mm | High Torque Resistance |
| Material Grade | HSS (High Speed Steel) | HSS | Rockwell Hardness 62-65 HRC |
| Accuracy Class | 2B (Tap) / 2A (Die) | - | Precision Fit |
Automotive: Specialized for steering linkages, wheel studs, and suspension bolts requiring UNF fine threads.
Aerospace: High-tensile fasteners where vibration resistance is critical.
Industrial MRO: Repairing damaged threads on hydraulic fittings and heavy-duty machinery.
We offer localized packaging solutions to meet regional market demands:
Professional Retail Case: High-impact blow-molded plastic case with internal foam sizing for the North American market.
Industrial Bulk Pack: 10-piece industrial boxes for European factory supplies.
Custom Metal Tin: Heavy-duty aluminum cases preferred by the Russian and Eastern European markets.
Q: Can this set work on Stainless Steel 304/316?
A: Yes. Because it is made of High-Speed Steel (HSS), it can handle stainless steel, though we recommend using high-quality sulfur-based cutting oil for best results.
Q: Is the die adjustable or solid?
A: This is a solid round die, providing maximum stability and accuracy for creating new threads or cleaning heavily damaged ones.
Q: Does it follow Metric or American standards?
A: This specific set follows the UNF (Unified National Fine) American standard, which is widely used in automotive and aviation industries globally.
Q: What is the recommended drill bit size for this tap?
A: For a 5/8"-18 UNF tap, the recommended tap drill size is 37/64" (14.50mm).
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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