What Are CNC Boring Tools?
CNC boring tools are high-precision cutting instruments engineered for CNC machining centers and lathes. These specialized tools refine hole dimensions, roundness, and surface finish through rotational cutting – critical for aerospace components, automotive engines, and other tight-tolerance applications. Primary types include roughing boring bars, finishing heads, and adjustable boring systems.
Key Advantages
1. Micron-Level Precision
Featuring carbide shanks with precision adjustment mechanisms, our tools consistently achieve ±0.005mm tolerances – essential for jet engine parts and transmission housings.
2. Extended Tool Longevity
Nano-coatings (TiAlN/AlCrN) combined with optimized edge geometry reduce cutting forces, increasing tool life by 30% versus standard boring bars.
3. Rapid Changeover System
Modular quick-change inserts and boring bars enable instant diameter adjustments, slashing setup time by up to 70% during batch production.
4. Vibration Suppression
Anti-vibration carbide shanks eliminate chatter during deep-hole boring (Depth/Diameter >8:1), ensuring superior surface finishes up to Ra0.8μm.
5. Thermal Management
Internal coolant channels prevent heat buildup during continuous operation, improving chip evacuation and preventing workpiece deformation.
Technical Specifications
| Parameter | Specification |
|---|
| Bore Range | Φ6-250mm (Customizable) |
| Shank Diameter | 16/20/25/32mm |
| Material Compatibility | Steel, Cast Iron, Superalloys |
| Max Depth | 8×D (D=Shank Diameter) |
| Surface Finish | Ra0.8μm (Fine Machining) |
| Insert Options | Indexable/Solid Carbide |
| Coatings | TiAlN, AlCrN, Uncoated |
Industry Applications
Automotive Manufacturing
- Precision boring of engine cylinder liners and transmission bores with IT7-grade accuracy.
Aerospace Components
- Machining landing gear bushings and turbine casings from Inconel and titanium alloys.
Mold & Die Production
- Achieving micron-level accuracy in injection mold guide pins and die-casting cores.
Energy Sector
- Boring thick-walled pressure vessels and valve bodies for oil/gas equipment.
Heavy-Duty Machinery
- High-efficiency boring of bearing housings and gearbox casings in batch production.
Selection Guide
1. Material-Specific Solutions
- Steel: TiAlN-coated inserts (high-speed machining)
- Cast Iron: CBN or uncoated carbide (abrasion resistance)
- Stainless Steel: AlCrN-coated (built-up edge prevention)
2. Bore Size Optimization
- <20mm: Solid carbide bars (maximum rigidity)
- 20-80mm: Adjustable boring heads (±0.005mm micro-adjust)
- >80mm: Steel-body modular systems (cost-effective)
3. Machine Integration
- CNC Lathes: Straight shank boring bars
- Machining Centers: HSK/Taper shank modular kits
4. Advanced Configurations
- Deep Holes: Damped extension bars (L/D ratio >10:1)
- Fine Finishing: PVD-coated inserts (Ra0.4μm achievable)
- High-Mix Production: Quick-change cartridge systems
Why Partner With Us?
✓ 15+Year Boring Specialists
ISO 9001-certified manufacturing with DIN-compliant QC processes.
✓ Application Engineering
Custom boring solutions for exotic materials and complex geometries.
Our company specializes in manufacturing and customizing a wide array of cutting tools, dedicated to boosting clients' production efficiency and slashing manufacturing costs. We offer comprehensive tool solutions tailored for various cutting materials, encompassing carbon steel (approx. HB225 hardness), alloy steel (HB225~325 hardness), pre-hardened steel (up to HRC45 hardness), quenched steel (HRC40~61 hardness), and cast iron. These solutions cater to diverse cutting needs, including straight cuts, curved cuts, L-shaped cuts, groove cuts, internal arc cuts, external arc cuts, T-shaped cuts, drilling, and threading.
Our carbide cutting tools excel in processing the aforementioned steel types, delivering exceptional performance with a precision tolerance of just ±0.02mm. This ensures that our customers can effortlessly achieve professional-grade cutting quality, making us your ideal partner for milling tool solutions.
We can provide customized OEM production services. If our standard carbide milling cutters do not meet your requirements, you can customize the diameter within 0.2mm-25mm, the total length from 50mm to 200mm, and choose flutes of 4F, 5F, 6F, or 8F. You can also add your own logo. Please feel free to contact us for any needs.
| Specification | Shank
Diamter(D) | Flute
Length(Lc) | Full
Length (L) | Diamter
(D) | Flutes
(F) |
| 1/2"1"3"1/2"4F | 1/2" | 1" | 3" | 1/2" | 4F |
| 1/4"3/4"2-1/2"1/4"4F | 1/4" | 1/4" | 2-1/2" | 1/4" | 4F |
| 1/8"3/8"1-1/2"1/8"2F | 1/8" | 3/8" | 1-1/2" | 1/8" | 2F |
| 1/16"3/16"1-1/2"1/8"2F | 1/16" | 3/16" | 1-1/2" | 1/8" | 2F |
| 3/8"1"2-1/2"3/8"4F | 3/8" | 1" | 2-1/2" | 3/8" | 4F |
| 3/16"5/8"2"3/16"2F | 3/16" | 3/16" | 3/16" | 3/16" | 2F |
| 3/32"9/32"1-1/2"1/8"2F | 3/32" | 9/32" | 9/32" | 1/8" | 2F |
| 5/8"1-1/4"3-1/2"5/8"4F | 5/8" | 1-1/4" | 3-1/2" | 5/8" | 4F |
| 5/16"13/16"2-1/2"5/16"4F | 5/16" | 13/16" | 2-1/2" | 5/16" | 4F |
| 5/64"3/16"1-1/2"1/8"2F | 5/64" | 3/16" | 1-1/2" | 1/8" | 2F |
| 7/64"3/8"1-1/2"1/8"2F | 7/64" | 3/8" | 1-1/2" | 1/8" | 2F |
Q1: Are you a trading company or a manufacturer?
A: We are a manufacturer, specializing in this field of cutting tools for over 15 years.
Q2: What kinds of products do you provide?
A: We make carbide end mills, drills for drilling, reamers, milling cutters, forming drills, turning tools, thread mills, inserts, and we also cover various non-standard cutting tools.
Q3: Do you provide OEM or ODM services?
A: Yes, indeed. We offer both OEM and ODM services to cater to our clients' specific needs.
Q4: Do you have free samples or discounts?
A: Free samples can be provided if clients agree to pay the shipping cost. For the first order, new clients receive a USD50 coupon for orders over USD500, and enjoy a 5% discount for orders exceeding USD5000.
Q5: How do you ensure cutting tool quality?
A:We guarantee materials & workmanship, use top-quality carbide, and conduct rigorous ISO-compliant inspections from raw material to final product, with 100% key dimension checks before shipping.
Q6: Can I specify my own freight forwarder?
Of course, we can deliver the goods to the shipping agent designated by the customer.
Just 4 steps to process your order:
1.Drawing:You can send existing regular product images or 3D drawings of the product to our sales manager.
2.Quote:Based on the product specifications, requirements, and processing technology, we will provide a quotation. Please confirm the final requirements with our sales manager.
3.Produce:After confirming the contract and delivery schedule without any issues, we will arrange production upon receipt of payment to ensure timely delivery.
4.Delivery:Once the goods have passed quality inspection, they will be dispatched in accordance with the agreed upon timeline and logistics arrangements specified in the contract
Payment:
For the principles of transaction security and long-term cooperation, we generally adopt bank transfers and Western Union as payment methods, or we negotiate further based on the specific order.
Delivery:
Considering the product's weight, volume, transportation timeline, and freight costs, we provide multiple shipping solutions to fulfill your transportation requirements.
Express shipping:
EMS and DHL international express are commonly used, and deliveries typically arrive within 3 to 10 days,If your place is remote , need to pay more for remote place , or change to ship by EMS
Air Freight:
Air freight is safe and fast, suitable for urgent shipments and large items exceeding 100kg. It generally takes 3-10 business days, with varying transit times for different countries.
Sea Freight:
Sea Freight is suitable for large orders due to its low cost, but with slower delivery times, typically ranging from 30 to 50 days
Präzisions-Fräser,Schneidwerkzeuge für die CNC-Bearbeitung jedes Materials
