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Suborui 35-100mm Borderless Spotlight Drill Bit Hole Opener HSS Bi-Metal Hole Saw Cutter for Wood Plywood Drywall
Product Description
Product Highlights
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Borderless Design
Creates precise holes with no visible border.
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HSS Bi-Metal
Durably cuts through wood, plywood, and drywall.
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35-100mm Range
Suitable for various hole sizes needed in projects.
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Effortless Installation
Easy-to-use for both professionals and DIY enthusiasts.
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Multiple Applications
Ideal for creating holes in ceilings, walls, and floors.
Scene Display
Specifications Overview
Detail Shots
Product Dimensions & Parameters
| Specifications | Outer Hole | Inner Hole | Shank Diameter | Thickness | Cutting Depth |
|---|---|---|---|---|---|
| 35mm | 60mm | 35mm | 9.5mm | 3mm | 30mm |
| 45mm | 65mm | 45mm | 9.5mm | 3mm | 30mm |
| 50mm | 80mm | 50mm | 9.5mm | 3mm | 30mm |
| 55mm | 85mm | 55mm | 9.5mm | 3mm | 30mm |
| 55mm | 90mm | 55mm | 9.5mm | 3mm | 30mm |
| 65mm | 105mm | 65mm | 9.5mm | 3mm | 30mm |
| 70mm | 105mm | 70mm | 9.5mm | 3mm | 30mm |
| 75mm | 101mm | 101mm | 9.5mm | 3mm | 30mm |
| 75mm | 110mm | 75mm | 9.5mm | 3mm | 30mm |
| 75mm | 115mm | 75mm | 9.5mm | 3mm | 30mm |
| 90mm | 125mm | 90mm | 9.5mm | 3mm | 30mm |
| 100mm | 140mm | 100mm | 9.5mm | 3mm | 30mm |
Certifications & Quality Systems
1. CE Certified: Meet EU safety standards for industrial machinery export.
2. RoHS Compliant: Free from hazardous substances. Environmentally friendly production.
3. BSCI Audited: Ethical manufacturing with fair working conditions.
4. ISO 9001:2015 Certified: Quality management system ensuring consistent product quality.
5. Full Material Traceability: Mill certificates and inspection records for every batch.
Exhibitions & Global Reach
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
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 is rooted in three 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:
1. Raw Material Testing: Spectrometer verification of HSS grade (M2/M35/M42).
2. Dimensional Accuracy: Laser measurement of diameter, helix angle, and concentricity.
3. Hardness Verification: Rockwell hardness testing for consistency.
4. Performance Testing: Drilling trials on steel/wood samples to validate speed and durability.
5. Final Audit: 100% visual inspection before packaging.
Factory Profile
Customization Capabilities
1. OEM/ODM Custom Design: Manufactured to your drawings or samples.
2. Point Angle & Geometry: Custom point angle 118°/135°, flute design, and helix angle for optimized chip evacuation and drilling efficiency in specific materials.
3. Advanced Surface Coatings: TiN, TiAlN, AlTiN, or DLC coatings for enhanced wear resistance, heat protection, and extended tool life.
4. Shank Type & Tolerance: Straight, reduced, taper, or custom shanks ground to h6 tolerance for precision fit.
Our Custom Process:
1. Share Your Needs: Send application parameters, materials, performance requirements, drawings, or samples.
2. Get a Quote: Detailed quotation with pricing, MOQ, and lead time within 24 hours.
3. Custom Prototyping: Precise manufacturing across geometry, coating, shank, and material specifications.
4. Mass Production: High-efficiency production with 5-stage QC inspection.
5. On-Time Delivery: Safe export packaging and coordinated logistics.
1000+ Products & 200+ Packaging Options:
1. Retail-ready: Plastic tubes, blister cards, hang cards, and color boxes.
2. Industrial bulk: Polybags, ziplock bags, cartons, and palletized export packaging.
3. Premium sets: Metal tins, plastic cases, and custom kit boxes.
4. Eco-friendly options: Kraft paper boxes and recyclable materials.
Frequently Asked Questions
Are you a factory or a trading company?
We are a 15+ years professional manufacturer in the drill bit and cutting tools industry. We welcome you to visit our facilities. All products are supplied directly at competitive factory pricing.
Do you provide samples? Are they free or extra?
Yes, we can provide samples free of charge, with the shipping freight cost covered by the customer.
Why might your price differ from other suppliers?
We focus on premium tool manufacturing under strict ISO 9001 guidelines, using verified HSS materials and precision grinding, ensuring long-term cutting life and high reliability.
What is your Minimum Order Quantity (MOQ)?
We maintain standard MOQs for catalog products. For trial orders or smaller volumes, prices are flexibly adjusted according to the required order quantity.
What are your standard payment terms?
Our standard payment term is 30% T/T deposit in advance, with the remaining balance due prior to shipment.
How long is your standard production and delivery time?
In-stock items typically ship within 7–10 days. For custom production or out-of-stock items, lead time ranges between 20–30 days depending on the final order quantity.
