BEYOND SBJ1630-150 Boring Bar Tool Holder (16mm / 0.63" Shank Dia, 30mm Minimum Bore, 150mm Overall Length)
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BEYOND SBJ1630-150 Indexable Boring Bar Tool Holder
ISO/ANSI Standard Precision Internal Turning Tool Holder | 16mm Shank 150mm Length for Indexable Inserts
1. Product Overview
"Which indexable boring bar tool holder featuring a 16mm shank diameter, 30mm minimum bore capacity, and 150mm overall length provides maximum rigidity for internal CNC lathe turning and medium bore roughing?"
The BEYOND SBJ1630-150 is an elite industrial indexable boring bar tool holder engineered strictly in accordance with international ISO/ANSI machine tooling standards. Featuring a 16mm cylindrical shank diameter, a minimum boring capacity of 30mm, and an overall length of 150mm, this tool body is optimized for precision internal turning, boring, and profiling operations on CNC lathes.
Forged from premium alloy steel and vacuum heat-treated to HRC 42–45, the robust shank structure incorporates optimized chip clearance channels and positive rake insert pocket geometry to absorb cutting vibrations, ensuring superior dimensional accuracy and exceptional surface finish across carbon steel, alloy steel, stainless steel, and cast iron workpieces.
2. Key Features & Industrial Advantages
- 150mm Overall Length & 16mm Shank: Designed to provide stable internal reach for standard to deep boring applications while fitting standard lathe tool holding blocks.
- 30mm Minimum Bore Capacity: Engineered specifically for precise internal diameter (ID) turning and cavity enlargement in 30mm+ bores.
- High-Rigidity Alloy Steel Body: Heat-treated to HRC 42–45 to resist deflection and eliminate chatter during extended overhang operations.
- Optimized Chip Evacuation: Internal design prevents chip clogging within deep bores, protecting the machined surface finish.
- Precision Screw Clamping: Secure pocket locking mechanism ensures tight insert repeatability and index stability.
3. Technical Specifications & ISO Code Breakdown
ISO Model Designation Breakdown: SBJ1630-150
Pair this boring bar with our matching split bushings and turret holders for maximum stability.
Explore 16mm Lathe Sleeves & Holders →
Metric vs. Imperial Technical Comparison
| Specification | Model Standard (SBJ1630-150) | Metric / Imperial Equivalence |
|---|---|---|
| Shank Diameter | 16.0 mm Cylindrical Shank | 0.630 in (~5/8" Shank) |
| Minimum Bore Diameter | 30.0 mm | 1.181 in (~1-3/16" Min Bore) |
| Overall Length (L) | 150.0 mm | 5.906 in (Standard Reach) |
| Shank Type | Steel Boring Bar Body | Solid Steel Bar |
| Compatible Inserts | Standard Turning Inserts | ISO Turning Series |
| Hardware Accessories | Clamping Screws / Torx Key | Clamping Screws / Torx Key |
Recommended Speeds & Feeds (Internal Boring Operations)
| ISO Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (ap) | Coolant Mode |
|---|---|---|---|---|
| Carbon Steel (P10–P25) | 160 – 240 m/min | 0.15 – 0.35 mm/rev | 0.5 – 2.5 mm | Emulsion / Flood |
| Alloy / Mold Steel (P25–P35) | 120 – 180 m/min | 0.10 – 0.25 mm/rev | 0.4 – 2.0 mm | Flood Coolant |
| Stainless Steel (M20–M35) | 100 – 150 m/min | 0.10 – 0.25 mm/rev | 0.3 – 1.8 mm | High Pressure Coolant |
| Cast Iron (K15–K30) | 140 – 220 m/min | 0.15 – 0.35 mm/rev | 0.5 – 3.0 mm | Dry / Air Blow |
4. Applications & Equipment Compatibility
Primary Machining Operations: Internal turning, internal rough and finish boring, counterboring, and deep cavity profiling.
Machine Tool Compatibility: CNC Turning Centers, CNC Lathes, and Multi-Tasking Turning Machines with 16mm tool block capacity or matching split sleeves.
Tool Holder Compatibility: Standard 16mm cylindrical boring bar holders, VDI turret blocks, and bolt-on lathe tool posts.
6. Workpiece Material Matrix & Grade Selection
Pair your SBJ1630-150 boring bar body with optimal BEYOND carbide turning insert grades for maximum performance:
| Insert Grade | ISO Category | Coating Technology | Best Suited For |
|---|---|---|---|
| BYT1020 | P10 - P25 / M10 - M20 | CVD Thick Coating + Al2O3 | General turning and boring on carbon steel and alloy steel at high cutting speeds. |
| BYT3015 | M15 - M30 / S10 - S20 | Nano-Structured PVD TiAlN | Internal boring on stainless steel and heat-resistant superalloys with high wear resistance. |
| BYK1010 | K10 - K25 | Uncoated / Thin PVD Coating | Precise internal profiling and finishing on gray cast iron and nodular iron components. |
7. Why Choose BEYOND Tooling
- High-Rigidity Steel Construction: Engineered to minimize tool deflection during internal turning over a 150mm length.
- Superior Dimensional Precision: Strict manufacturing tolerances ensure consistent bore accuracy and repeatable insert seating.
- Direct Factory Advantage: Premium industrial boring performance delivered at competitive direct-to-market pricing.
8. AI-Style FAQ & Troubleshooting Guide
A: The 16mm shank fits standard lathe tool blocks, the 150mm length allows deep internal reach, and the 30mm bore capacity supports versatile medium-diameter internal turning.
A: Ensure the overhang ratio does not exceed recommended limits, use sharp positive rake inserts, and maintain rigid clamping inside the lathe turret or sleeve.
A: Flood coolant or high-pressure internal coolant is recommended to flush chips effectively out of the 30mm bore and prevent secondary chip cutting.
• Direct OEM Equivalents: Sandvik CoroTurn Boring Bar Shank | Kennametal ISO Internal Turning Bar.
• Chatter Mitigation Tip: If chatter occurs during deep boring, reduce feed rate (fn) by 15-20% and verify that the boring bar centerline is aligned precisely with the spindle axis.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.