Wholesale Lathe Turning Tools Cnc Internal Tool Holder Sducr High-Speed Steel Boring Bar Internal Turning Tool Holder Boring Bar
- Overview
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For B2B partners like machine shops, manufacturing facilities, and industrial distributors, the Wholesale Lathe Turning Tools—including CNC Internal Tool Holders (SDUCR), High-Speed Steel Boring Bars, and Internal Turning Tool Holders—deliver exceptional durability, precision, and value for high-volume internal machining operations. Designed to optimize CNC lathe performance, these tools excel at boring, facing, and profiling internal surfaces of metal workpieces, from small bores to deep cavities. With wholesale pricing, consistent quality, and compatibility with standard CNC systems, they address the core needs of B2B operations: reducing per-unit tool costs, maintaining tight tolerances, and scaling production efficiently. Below, explore the key advantages that make these internal turning tools a strategic choice for bulk procurement.
1. High-Speed Steel Construction: Durability for Heavy-Duty Machining
At the core of these tools is premium high-speed steel (HSS), engineered to withstand the rigors of continuous CNC turning. HSS offers superior hardness (up to 65 HRC) and heat resistance compared to carbon steel, allowing the boring bars and tool holders to maintain their cutting edges even at high rotational speeds (up to 6,000 RPM) and under heavy feed rates. This durability minimizes tool wear, reducing the frequency of replacements—critical for B2B facilities running 24/7 production lines.
For example, when machining alloy steel or cast iron components (common in automotive and industrial machinery), these HSS tools outlast standard carbon steel alternatives by 3–4 times, lowering long-term tooling costs. The material also resists chipping and deformation, ensuring consistent performance across thousands of workpieces. For wholesale buyers, this durability translates to higher customer satisfaction, as end-users benefit from longer tool life and fewer production interruptions.
2. SDUCR CNC Internal Tool Holder Design: Precision & Compatibility
The SDUCR-series CNC internal tool holders are engineered for seamless integration with standard CNC lathes, featuring a precision-machined shank that fits most turret systems without modifications. The SDUCR design—known for its rigid clamping mechanism—secures insert tools (carbide, ceramic, or HSS) with minimal runout (≤0.01mm), ensuring accurate, repeatable cuts. This stability is critical for internal machining tasks like boring holes to tight tolerances (±0.005mm) or creating smooth surface finishes (Ra < 1.6μm).
The tool holders also feature optimized chip evacuation channels, preventing chip buildup in deep bores that can damage workpieces or tools. For B2B operations machining complex parts (e.g., hydraulic cylinders or gearbox housings), this design reduces scrap rates and rework, improving overall productivity. Compatible with popular CNC brands (e.g., Haas, Mazak, Okuma), the SDUCR holders eliminate the need for custom adapters, simplifying inventory management for wholesale buyers serving diverse client bases.
3. Versatile Boring Bars: Adaptable to Diverse Internal Machining Needs
Complementing the tool holders, the high-speed steel boring bars offer versatility across a range of internal turning applications. Available in multiple diameters (6mm to 32mm) and lengths (50mm to 200mm), they accommodate bores of varying sizes—from small precision holes in electronics components to deep cavities in industrial valves. The bars feature a straight or offset design, allowing access to hard-to-reach areas like stepped bores or undercuts.
For wholesale partners catering to diverse industries (automotive, aerospace, medical devices), this versatility is a key selling point: a single order can supply tools for multiple client needs, reducing procurement complexity. The boring bars also accept standard insert sizes (e.g., CCMT, DCMT), enabling end-users to customize cutting edges for specific materials (aluminum, steel, stainless steel) without replacing the entire bar—further lowering costs.
4. Wholesale Pricing & Bulk Availability: Cost Efficiency for Scaling Operations
A defining advantage for B2B buyers is the wholesale pricing structure, which offers significant cost savings for bulk orders. Whether purchasing 50 or 500 units, the per-unit cost decreases with larger quantities, making these tools ideal for distributors, large machine shops, or manufacturing plants with multiple CNC lathes. This pricing model aligns with the high-volume needs of industrial operations, where tool consumption is constant and cost control is critical.
The manufacturer also ensures consistent bulk availability through streamlined production processes, with lead times of 3–5 business days for standard orders. This reliability prevents stockouts for wholesale partners, ensuring they can fulfill client demands without delays. For end-users, bulk purchasing reduces reorder frequency and shipping costs, freeing up budget for other operational needs.
5. Optimized for High-Speed CNC Turning: Productivity & Precision
These internal turning tools are specifically engineered for high-speed CNC operations, where efficiency and accuracy drive profitability. The HSS construction and rigid tool holder design minimize vibration at high RPMs, allowing faster feed rates (up to 0.3mm/rev) without compromising cut quality. This increases material removal rates, reducing cycle times per part—critical for B2B facilities with tight production deadlines.
The tools also maintain tight dimensional control, ensuring that every workpiece meets design specifications (e.g., bore diameter, concentricity). For industries like aerospace or medical device manufacturing, where non-compliance can lead to costly rejections, this precision is non-negotiable. Wholesale buyers can confidently market these tools as a solution for clients seeking to balance speed and quality in high-volume production.












Q1. What is your terms of packing?
A: Generally, we pack our goods in carboard boxes. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 5 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.