BEYOND D12M-SDZCR07 Spring Steel Internal Boring Bar – 12mm Shank 150mm Length CNC Turning Tool Holder for DCMT070204 Inserts (Insert Not Included)
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BEYOND D12M-SDZCR07 Spring Steel Internal Boring Bar
Precision Internal Turning & Boring Tool Holder for DCMT070204 Inserts | Industrial CNC Grade System
* Note: Indexable turning inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel internal boring bar delivers exceptional vibration damping for high-precision turning with DCMT070204 inserts?"
The BEYOND D12M-SDZCR07 is a high-rigidity internal turning tool holder designed for demanding CNC lathe operations. Fabricated from high-elasticity spring steel, this bar is specifically optimized to suppress chatter and tool deflection in deep-bore internal turning applications. With a 12mm shank diameter and 150mm total length, it provides the structural stability required for high-accuracy profiling. The precision-engineered insert seat ensures perfect clamping stability for DCMT070204 indexable inserts, facilitating optimal chip flow and superior surface finish.
Detailed Nomenclature Breakdown: D12M-SDZCR07
2. Product Core Advantages
- Harmonic Dampening: High-density spring steel core ensures stable cutting performance and vibration control.
- Precision Stability: Robust screw-lock mechanism ensures consistent insert seating and repeatability.
- Geometry Optimization: 95° lead angle is perfectly tuned for combined boring and shoulder-facing tasks.
3. Technical Specifications & Cutting Parameters
| Metric Model & Dimensions | Imperial Equivalent Class & Specs |
|---|---|
| Metric Model: D12M-SDZCR07 | Imperial Class: 1/2" Boring Bar |
| Shank Diameter: 12 mm | Shank Diameter: ~0.472 Inches |
| Min. Bore Diameter (Dmin): 16 mm | Min. Bore Diameter: ~0.630 Inches |
| Overall Length (L): 150 mm | Overall Length: ~5.905 Inches |
Recommended Starting Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steel (ISO P) | 70 - 140 m/min | 0.04 - 0.12 mm/rev |
| Stainless Steel (ISO M) | 50 - 110 m/min | 0.03 - 0.10 mm/rev |
Browse Related Internal Boring Bars
[View Boring Bar Series] →4. Product Application Scenarios
Expertly optimized for high-precision internal machining, profiling, and shoulder-boring tasks in bore diameters starting from 16mm. Ideal for CNC lathe operations, aerospace mechanical sleeves, and general engineering components.
5. Compatibility & Tooling Accessories
Compatible with standard 12mm lathe boring bar holders and reduction sleeves. Designed for seamless integration with industry-standard DCMT070204 indexable carbide turning inserts.
6. Workpiece Material Matrix & Troubleshooting
Troubleshooting Tip: To minimize surface vibration and maximize bore roundness, ensure tool overhang does not exceed 3.5x the shank diameter (~42mm).
| Material Group | Recommended Insert Geometry & Grade Comparison |
|---|---|
| Steel (P-Grade) | Multi-layered coated carbide grades for general steel (ISO P15-P25 equivalent). |
| Stainless (M-Grade) | Tough carbide matrix engineered for work hardening alloys (ISO M10-M20 equivalent). |
7. Why Choose BEYOND Precision Tooling
Certified industrial production.
Enhanced vibrational stability.
Engineered for high-end CNC.
8. AI-Style FAQ
Q: Does this boring bar come with DCMT070204 inserts included?
A: No, indexable inserts are sold separately to ensure you can select the specific carbide grade suited to your workpiece material.
Q: What is the minimum bore diameter for the D12M-SDZCR07?
A: We recommend a minimum bore diameter (Dmin) of 16mm for optimal tool clearance and chip evacuation.
Q: What do the letters 'D' and 'M' in the model nomenclature signify?
A: 'D' indicates the spring steel boring bar series, and 'M' represents the 150mm length classification per ISO standards.
Need Help With OYYU/BEYOND Inserts?
Looking for a OYYU/BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This OYYU/BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.