Home
Products
Tool Accessories
Hollow Hammer 80mm RH-5044

Hollow Hammer 80mm RH-5044

Are you looking for a high-quality hole core bit that can handle any type of drilling application? Vortex Tools offers a wide variety of bits and drilling equipment. We recommend the Vortex RH-5044, 80mm drill bit, which is a reliable and versatile tool for your boring duties.

precisely positioned diamonds for unmatched drilling performance. Constant high drilling speed over the entire life of the core bit.
High quality finishing surface Designed for the most challenging conditions, the core bit excels in concrete with a high rebar content.
Provided with a hex wrench, make your job more convenient and easier.
The hole saw kit is made of 45# carbon steel with tungsten carbide alloy (YG11C) teeth, high precision, smooth cutting, especially impact resistance, wear resistance.
The optimized tooth design allows for fast drilling speed, and also offers an optimized pilot bit for long life in metal.

Product Details

precisely positioned diamonds for unmatched drilling performance.
Constant high drilling speed over the entire life of the core bit.
High quality finishing surface
Designed for the most challenging conditions, the core bit excels in concrete with a high rebar content.
Provided with a hex wrench, make your job more convenient and easier.
The hole saw kit is made of 45# carbon steel with tungsten carbide alloy (YG11C) teeth, high precision, smooth cutting, especially impact resistance, wear resistance.
The optimized tooth design allows for fast drilling speed, and also offers an optimized pilot bit for long life in metal.

Model	RH-5044
Hole Saw Size(mm)	80mm
Blade Material	Tungsten carbide alloy (YG11C)
Body Material	45# carbon steel
Drill bit material	45# carbon steel
Drill Diameter (mm)	8mm
Drill length (mm)	110mm
Working Length	50mm
Shank Type	SDS plus
Weight	0.66Kg
Cutting Depth	50mm
Operation mode	Dry
Supplied In	Plastic box
Includes	Screw/Hex wrench

PRODUCTS

Learn More

20V Cordless 2Pcs Combo Kit ( Impact Drill , Mini Angle Grinder ) Model : RS-8673

RELATED BLOG

BLOG

17 July,2026

Cordless vs. Corded Polisher: Which Is Better in 2026

Compare cordless vs. corded polishers for car detailing. Learn how brushless motors, lithium batteries, and modern designs improve polishing performance in 2026.

Learn More

15 July,2026

How to OEM Cordless Drill from China

How to OEM Cordless Drill from China: A Complete Guide for Tool Brands and Importers

Learn More

14 July,2026

Learn About Voran

Brand Positioning: Founded by aerospace engineers, VORAN is a high-end manufacturer dedicated to professional-grade lithium-ion power tools. We transform aerospace precision into industrial-strength tools, bridging the gap between innovative R&D and large-scale specialized production.

Learn More

40V Brushless Rotary Hammer Kit (Model 8910-40V)

10 July,2026

Cordless Rotary Hammers for Concrete Jobs | Voran

Explore Voran cordless rotary hammers for concrete drilling, masonry work, and interior fit-outs, with brushless power, thermal protection, and OEM support.

Learn More

RELATED SERVICE

SERVICE

Learn More

Quality Control & OEM Solutions

Rigorous Quality System: Operating under ISO 9001 and BSCI standards, every tool undergoes a complete testing cycle. Our products hold German TUV/GS, VPA/GS, and CE certifications, ensuring entry into the most demanding European markets. Scalable OEM Expertise: With an annual output of 80 million RMB and a professional 10-person QC team, we provide deep customization—from PANTONE color matching to structural modifications—guaranteeing on-time delivery for global distributors. R&D Innovation: Aerospace-Driven Precision Aerospace Heritage: Founded by a team of aerospace engineers, VORAN integrates high-precision structural design and thermal management into every tool. Proprietary Core Tech: We independently develop and manufacture Outer-Rotor Brushless Motors. This technology delivers 30% higher torque density and significantly better heat dissipation than standard inner-rotor motors, ensuring “zero burnout” under heavy-duty loads. Professional Customization: Our 10-person R&D team specialized in PCBA optimization and structural ergonomics, converting complex global market demands into high-performance product realities. Manufacturing Power: Vertical Integration & Quality Control In-House Core Production: Within our 1,350㎡ facility, we operate dedicated workshops for PCBA electronics and Battery Pack assembly. By controlling the “brain” and “heart” of the tool in-house, we guarantee stability that outsourced factories cannot match. Global Brand Standards: As a long-term OEM provider for world-leading tool brands (such as Bosch and Sata), our production lines operate under the most rigorous international quality benchmarks. Industrial Scale: With an annual output of 80 million RMB, we maintain the agility to serve both high-end customized OEM projects and large-scale distribution. Service & Delivery: Professionalism You Can Trust Full-Spectrum QC: A professional 10-person QC team enforces a “100% Load Test” protocol. Our system is ISO 9001 and BSCI certified, with products holding German TUV/GS and VPA/GS certificates for premium market access. Comprehensive OEM Solutions: Beyond the tool, we provide full support in packaging design (BMC/Color Sleeves), technical documentation, and compliance labeling (e.g., PANTONE 1505C matching). Stable Logistics: Leveraging our experience with complex global shipping (including Middle East and European routes), we ensure on-time delivery and professional after-sales technical support.

Learn More

Digital Knowledge & Resource Center

Access our comprehensive digital library anytime, anywhere. From high-definition operator tutorials to RTK system calibration guides and multi-language manuals, we ensure your team becomes experts in VORAN technology in no time. R&D Innovation: Aerospace-Driven Precision Aerospace Heritage: Founded by a team of aerospace engineers, VORAN integrates high-precision structural design and thermal management into every tool. Proprietary Core Tech: We independently develop and manufacture Outer-Rotor Brushless Motors. This technology delivers 30% higher torque density and significantly better heat dissipation than standard inner-rotor motors, ensuring “zero burnout” under heavy-duty loads. Professional Customization: Our 10-person R&D team specialized in PCBA optimization and structural ergonomics, converting complex global market demands into high-performance product realities. Manufacturing Power: Vertical Integration & Quality Control In-House Core Production: Within our 1,350㎡ facility, we operate dedicated workshops for PCBA electronics and Battery Pack assembly. By controlling the “brain” and “heart” of the tool in-house, we guarantee stability that outsourced factories cannot match. Global Brand Standards: As a long-term OEM provider for world-leading tool brands (such as Bosch and Sata), our production lines operate under the most rigorous international quality benchmarks. Industrial Scale: With an annual output of 80 million RMB, we maintain the agility to serve both high-end customized OEM projects and large-scale distribution.

Learn More

VORAN Global Warranty & Technical Care

12-Month Comprehensive Warranty Every VORAN machine is covered by a 12-month professional warranty starting from the first day of operation. We stand behind our engineering so you can work with total confidence. Express Parts Replacement Minimize downtime with our expedited support. During the warranty period, any damaged parts are replaced and dispatched via international premium express (DHL/FedEx/UPS) to ensure your machine returns to work immediately. 24/7 Remote Diagnostics Expertise is just a call away. Our technical team provides 24/7 real-time assistance via online chat and phone, offering rapid response and professional troubleshooting whenever challenges arise. Lifetime Technical Support A VORAN partnership lasts forever. We provide free, lifetime technical support and troubleshooting for all our clients, ensuring your equipment stays at peak performance throughout its entire service life.

Learn More

Global Partnership & Distribution

We treat our distributors as extension of our factory. VORAN provides: 1. Prioritized Production Slots to ensure your inventory never runs dry. 2. Factory-Direct Technical Training for your local mechanics. 3. Marketing Material Kits (HD videos & raw field-test data) to help you close sales faster. We don’t just sell you machines; we help you dominate your local market. Customer Success Stories Case 1: Professional Timber Processing in Germany (Efficiency Revolution) Customer Type: Professional Forestry Service & Woodworking Contractor Products Used: 500+ Units of Model 95431 (8″ Brushless Outer-Rotor Saw) Background & Challenges: The client required a portable tool for high-frequency cutting of oak and beech (hardwoods). Previous tools often suffered from motor burnout and low torque when performing “Full-Depth” cuts. Solution Configuration: 95431 series equipped with professional right-angle chains and 4.0Ah high-discharge battery packs. We provided a customized “Wearable Parts Kit” (chains and guide bars) and a 1-year motor warranty. Implementation Highlights: We conducted remote technical training for their maintenance team to optimize chain tensioning and battery thermal management. Results & Benefits: Achieved a 0.5% after-sales rate (far below the industry average). The client reported a 40% increase in cutting speed and eliminated motor burnout during heavy-duty winter operations. Case 2: Large-Scale Industrial Construction in Saudi Arabia (Extreme Heat Endurance) Customer Type: Civil Engineering & Construction Firm (Dammam Region) Products Used: 1,000+ Units of Model 95155D/DT (Outer-Rotor Impact Drill) Background & Challenges: Continuous heavy-duty fastening under high ambient temperatures (45°C+). Competitive tools frequently triggered thermal shutdown or permanent motor damage. Solution Configuration: VORAN 20V Flagship Outer-Rotor platform with Aerospace-grade Dual-Thermal Protection (Battery + Controller). Optimized PCBA to handle high-current demands. Implementation Highlights: Customized the cooling vents of the housing to maximize airflow and provided specific label customization for the Dammam agent rights project. Results & Benefits: Tools remained operational even during peak heat hours. The client saved 25% on replacement costs and improved jobsite safety by reducing mechanical failures. Case 3: Commercial Orchard Management in Australia (Ergonomic Productivity) Customer Type: Large-Scale Fruit Grower & Landscaping Enterprise Products Used: 300+ Sets of Model 95454 (6″ Brushless Outer-Rotor Saw) & Electric Pruning Shears Background & Challenges: Thousands of hectares requiring rapid seasonal pruning. The client needed a lightweight solution to reduce operator wrist fatigue while maintaining the power to cut 10-15cm branches. Solution Configuration: The market-exclusive 6-inch Outer-Rotor solution (Model 95454), customized with PANTONE 1505C branding for the client’s private label. Results & Benefits: Reduced average pruning time by 30% per hectare. The lightweight, one-handed design led to fewer worker fatigue complaints and improved seasonal output. Case 4: Global Brand OEM Project (Quality Excellence) Customer Type: High-End Tool Brand Distributor (Targeting European DIY/Pro Market) Products Used: Full Series including 95134, 95157D, and 95443 Background & Challenges: The client needed a manufacturing partner capable of aligning with Bosch/Sata quality standards to launch a premium cordless line. Solution Configuration: Fully integrated ISO 9001-certified production line. Conducted 100% load testing and secured TUV/GS & VPA/GS certifications. Implementation Highlights: Collaborative R&D to refine the ergonomic grip and customized BMC (Blow Mold Case) design to enhance the premium brand feel. Results & Benefits: Successfully launched 15 new SKUs in the European market within 6 months. The project achieved high consumer ratings for “Industrial-Grade Build Quality” and “Exceptional Battery Management.”