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SUBORUI DIN338 135 Degree Split Point M35 Cobalt HSS Drills CNC Spiral Twist Drill Bit for Stainless Steel 304
Product Description
Product Highlights
Custom Design & R&D Support
Tailored solutions for precision engineering projects.
3D CAD Modeling & Prototyping
Precise digital models for efficient manufacturing.
OEM & ODM Available
Custom production options for businesses.
Professional Engineering Team
Expert guidance for complex projects.
High-Quality HSS-Co
Durable and reliable performance for stainless steel drilling.
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Detail Shot
Certificates & Quality Systems
Our Certifications & Quality Systems
- CE Certified: Meet EU safety standards for industrial machinery export.
- RoHS Compliant: Free from hazardous substances. Environmentally friendly production.
- BSCI Audited: Ethical manufacturing with fair working conditions.
- ISO 9001:2015 Certified: Quality management system ensuring consistent product quality.
- Full Material Traceability: Mill certificates and inspection records for every batch.
Global Exhibitions & Network
We regularly exhibit at major industry exhibitions to connect with global buyers and showcase our latest innovations.
Featured Exhibitions
- Canton Fair
- Shanghai Hardware Show
- Eisenwarenmesse (Cologne, Germany)
- MITEX (Moscow, Russia)
Global Customer Network
Europe: Germany, Italy, Poland, Spain, France
Asia: Japan, South Korea, India, Southeast Asia
Middle East: UAE, Saudi Arabia, Turkey
Americas: USA, Canada, Brazil, Mexico
CIS Countries: Russia, Belarus, Kazakhstan
Contact Us
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About the Supplier
SUBORUI is a leading manufacturer of high-performance twist drills and cutting tools, specializing in HSS drill bits, wood drill bits, and annular cutters for global industrial, construction, and woodworking sectors.
With 20 years of expertise, we have established ourselves as a strategic supplier to renowned brands across Europe, North America, South America, and the Middle East. Our 50,000-square-meter advanced facility, staffed by 300 skilled professionals, integrates cutting-edge technology, rigorous quality control, and customer-centric innovation to deliver tools that redefine precision and reliability.
Founded in 2005, SUBORUI began as a small workshop dedicated to producing HSS tools for local markets. Today, we are a globally recognized exporter with an annual turnover exceeding RMB 100 million, serving clients in over 30 countries.
We are excited to announce the opening of our new state-of-the-art manufacturing facility in Thailand in 2025. Strategically located in the heart of Southeast Asia, this plant enables us to better serve our global B2B partners with faster delivery and greater supply chain flexibility.
Our Growth Pillars
- Innovation: Over 20 patented technologies in drill bit geometry, coating, and material science.
- Quality: ISO 9001-certified processes and 100% pre-shipment inspection.
- Customer Focus: Tailored solutions for OEM/ODM projects, from prototyping to mass production.
Strict Quality Control (5-Stage Inspection Protocol)
- Raw Material Testing: Spectrometer verification of HSS grade (M2/M35/M42).
- Dimensional Accuracy: Laser measurement of diameter, helix angle, and concentricity.
- Hardness Verification: Rockwell hardness testing for consistency.
- Performance Testing: Drilling trials on steel/wood samples to validate speed and durability.
- Final Audit: 100% visual inspection before packaging.
Factory Profile
Customization Capabilities
- OEM/ODM Custom Design: Manufactured to your drawings or samples.
- Custom Angle & Flute: Custom point angle (118°, 135°), flute design, and helix angle for optimized chip evacuation and drilling efficiency.
- Advanced Surface Coatings: TiN, TiAlN, AlTiN, or DLC coatings for enhanced wear resistance, heat protection, and extended tool life.
- Shank Type & Tolerance: Straight, reduced, taper, or custom shanks. Ground to h6 tolerance for precision fit.
Our Custom Process
- Share Your Needs: Tell us your application, materials, and performance requirements. Send drawings or samples for review.
- Get a Quote: Detailed quotation with pricing, MOQ, and lead time within 24 hours.
- We Customize: Manufactured to your exact specs (geometry, coating, shank, and material).
- Mass Production: Full production with strict quality control once approved.
- On-Time Delivery: Safe packaging and shipping.
1000+ Products & 200+ Packaging Options
- Retail-Ready: Plastic tubes, blister cards, hang cards, and color boxes.
- Industrial Bulk: Polybags, ziplock bags, cartons, and palletized export packaging.
- Premium Sets: Metal tins, plastic cases, and custom kit boxes.
- Eco-Friendly Options: Kraft paper boxes and recyclable materials.
Competitive Advantages
Frequently Asked Questions
Q
Are you a factory or trading company?
We are a 15+ years professional manufacturer in the drill bit tools industry. Welcome to visit our company. We guarantee our products are direct from the factory, offering very competitive prices.
Q
Do you provide samples? Is it free or extra?
Yes, we can offer samples free of charge, but we do not cover the cost of freight.
Q
Why is your price higher than some other companies?
Because we build our own brand with strict manufacturing controls: the performance and quality of our products are absolutely guaranteed.
Q
What is the MOQ?
We have a fixed MOQ for each of our standard products. However, if you require a smaller initial quantity, we can adjust pricing according to your order volume.
Q
What is your term of payment?
30% by T/T in advance, with the balance due before delivery.
Q
How long is your delivery time?
Generally, it is 7-10 days if the goods are in stock. If the items are not in stock, it takes 20-30 days depending on the ordered quantity.
