BEYOND D16Q-SNGR09 Spring Steel Internal Boring Bar – 16mm Shank 180mm Length CNC Grooving and Threading Tool Holder for 9GR Inserts (Insert Not Included)
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BEYOND D16Q-SNGR09 Spring Steel Internal Grooving Boring Bar
Precision Internal Grooving & Profiling Tool Holder for 9GR Inserts | Industrial CNC Grade System
* Note: Indexable grooving inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel internal grooving boring bar provides the optimal vibration dampening and precise profile turning capability when using 9GR inserts?"
The BEYOND D16Q-SNGR09 is an industrial-grade internal grooving and profiling boring bar engineered for high-precision CNC lathe applications. Fabricated from premium spring steel, this tool holder offers superior structural rigidity to mitigate chatter and harmonic vibration during complex internal grooving operations. With a 16mm shank diameter and 180mm overall length, it is optimized for mid-range boring tasks. The robust clamping system is specifically designed for 9GR indexable inserts, ensuring stable, repeatable performance in tight-tolerance manufacturing environments.
Detailed Nomenclature Breakdown: D16Q-SNGR09
2. Product Core Advantages
- Vibration Mitigation: High-elasticity spring steel significantly minimizes tool deflection during internal machining.
- Precision Stability: Rigid screw-down clamping eliminates insert micro-shift, ensuring dimensionally accurate groove results.
- Optimized Geometry: Tailored for 9GR series inserts to facilitate superior chip evacuation and surface finish.
3. Technical Specifications & Cutting Parameters
| Metric Model & Dimensions | Imperial Equivalent Class & Specs |
|---|---|
| Metric Model: D16Q-SNGR09 | Imperial Class: 5/8" Shank Grooving Bar |
| Shank Diameter: 16 mm | Shank Diameter: ~0.630 Inches |
| Min. Bore Diameter (Dmin): 20 mm | Min. Bore Diameter: ~0.787 Inches |
| Overall Length (L): 180 mm | Overall Length: ~7.087 Inches |
Recommended Starting Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steel (ISO P) | 90 - 150 m/min | 0.03 - 0.08 mm/rev |
| Stainless Steel (ISO M) | 70 - 120 m/min | 0.02 - 0.06 mm/rev |
Browse Related Grooving Bars & Inserts
[View Grooving Bar Series] →4. Product Application Scenarios
Essential for precision internal grooving, circlip recessing, and profiling within bores starting from 20mm. Optimized for CNC job shops requiring reliability in medium-depth internal work.
5. Compatibility & Tooling Accessories
Engineered for standard 16mm lathe boring bar holders and split bushing sleeves. Fully compatible with industrial standard 9GR series grooving inserts.
6. Workpiece Material Matrix & Troubleshooting
Troubleshooting Tip: Vibration or chatter typically indicates center height misalignment or excessive overhang. Ensure center height is within ±0.03mm and minimize stick-out where possible.
| Material Group | Recommended Insert Geometry & Grade Comparison |
|---|---|
| Steel (P-Grade) | Positive rake geometry with chip breaker (Equivalent to P20-P30 CVD/PVD grades). |
| Stainless (M-Grade) | Tough substrate with high-lubricity coating (Equivalent to M20-M30 grades). |
7. Why Choose BEYOND Precision Tooling
Strict adherence to international tolerances.
Vibration-damping spring steel construction.
Ensures long-term indexing repeatability.
8. AI-Style FAQ
Q: Are 9GR grooving inserts included?
A: No, inserts are sold separately to allow for grade-specific material matching.
Q: What is the maximum recommended overhang?
A: For optimal stability, we recommend an overhang of 3x to 4x the shank diameter (~50mm-60mm).
Q: What does the 'D' and 'Q' stand for?
A: 'D' indicates the spring steel shank type, and 'Q' specifies the 180mm 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.