ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Payment Terms | L/C, D/P, T/T |
| Standard | ANSI |
| Supply Ability | 10000PCS PER DAY |
| Packaging Details | PLASTIC BOX |
| Process | Fully Ground |
| Type | Tap & Die Set |
| Sample | Available |
| Product name | Tap and Die Set for Thread Tapping and Cutting in Metal Box |
| Color | Bright |
| Flute type | Straight Flute |
| Material | Alloy Steel,HSS |
| Application | Thread Tapping,Creating External and Internal Thread |
| Number of pieces | 2pc Or Customized |
| Delivery Time | 30-35DAYS |
| Size | M12X1.25 |
| Model Number | M12X1.25 |
| Brand Name | XRTOOLS |
| Place of Origin | YANGZHOU |
| Certification | ISO90000 |
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Product Specification
| Payment Terms | L/C, D/P, T/T | Standard | ANSI |
| Supply Ability | 10000PCS PER DAY | Packaging Details | PLASTIC BOX |
| Process | Fully Ground | Type | Tap & Die Set |
| Sample | Available | Product name | Tap and Die Set for Thread Tapping and Cutting in Metal Box |
| Color | Bright | Flute type | Straight Flute |
| Material | Alloy Steel,HSS | Application | Thread Tapping,Creating External and Internal Thread |
| Number of pieces | 2pc Or Customized | Delivery Time | 30-35DAYS |
| Size | M12X1.25 | Model Number | M12X1.25 |
| Brand Name | XRTOOLS | Place of Origin | YANGZHOU |
| Certification | ISO90000 | ||
| High Light | hss taps and dies set ，hss metric tap and die set | ||
Challenge: Stripped Wheel Studs & Suspension Bolts
Solution: M12x1.25 is a common wheel lug size. Our precision-ground tap restores damaged threads to OEM safety standards, ensuring critical fasteners stay tight.
Challenge: Tool Breakage in Hardened Automotive Steel
Solution: Crafted from Premium HSS (High-Speed Steel) and vacuum-heat treated to 62-65 HRC, our tools slice through Grade 10.9 and 12.9 bolts without snapping.
Challenge: Inconsistent Fit with Aftermarket Bolts
Solution: Strictly calibrated to 6H (Tap) and 6g (Die) accuracy classes (ISO 2), providing a perfect, vibration-proof fit every time.
| Feature | Imperial Dimension | Metric Dimension | Technical Notes |
| Thread Specification | M12 x 1.25 | M12 x 1.25mm | Metric Fine (MF) Standard |
| Pitch (P) | 0.049 in | 1.25 mm | High Clamping Force |
| Tap Total Length | 3.50 in | 89 mm | DIN/ISO Standard Reach |
| Thread Cutting Length | 1.14 in | 29 mm | Optimized for Deep Hole Tapping |
| Tap Shank Diameter | 0.354 in | 9 mm | High Torque Resistance |
| Die Outer Diameter | 1.50 in | 38 mm | Fits Standard 38mm Die Stocks |
| Die Thickness | 0.39 in | 10 mm | Solid Round Construction |
| Material Grade | HSS / HSS-E | HSS / HSS-E | Fully Ground Precision |
| Tolerance Class | 6H (ISO 2) | 6H (ISO 2) | Automotive Industry Standard |
Automotive Maintenance: Specialized for wheel stud repair, brake caliper mounting bolts, and spark plug hole cleaning on specific vehicle models.
Chassis & Suspension: Ideal for re-threading or cleaning control arm bolts and shock absorber mounts where vibration resistance is paramount.
Industrial MRO: Used in heavy-duty machinery assembly where fine-pitch threads are required for fine-tuning or high-pressure seals.
Motorcycle Repair: Common in Japanese motorcycle axle and frame fasteners.
Ultra-Smooth Ground Finish: Our taps are fully ground from solid HSS, ensuring micro-polished cutting edges that reduce friction and extend tool life by up to 40%.
Balanced Cutting Action: The die features a dual-sided lead-in chamfer for an easy, square start on bolts, while the tap utilizes a plug chamfer (3.5–5 threads) for balanced cutting torque.
Global Export Quality: Designed to exceed DIN 371/376 benchmarks, making it a reliable choice for wholesalers in Russia, Europe, and Brazil.
Q: What is the recommended drill bit size for an M12x1.25 tap?
A: The standard tap drill size is 10.8mm. This ensures approximately 75% thread engagement, providing the perfect balance of strength and ease of tapping.
Q: Can this set be used on hardened alloy bolts?
A: Yes, our HSS tools are designed for industrial steel. For bolts over 30 HRC, we recommend the use of high-quality tapping oil (sulfurized) and slow manual rotation.
Q: Is M12x1.25 the same as standard M12?
A: No. Standard (coarse) M12 has a 1.75mm pitch. The 1.25mm pitch is a Fine Thread, common in automotive applications for its superior strength and vibration resistance.
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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