BEYOND SCLCR2020K12 Right-Hand CNC Turning Tool Holder 20x20mm Shank
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ IMPORTANT NOTIFICATION FOR PROCUREMENT MANAGERS:
The indexable carbide cutting insert displayed within our product marketing photography is installed strictly for architectural mapping, angle visualization, and pocket alignment demonstrations. The tool holder body is sold EXCLUSIVELY WITHOUT INSERTS. To source compatible high-performance CCMT1204 / CCGT1204 series inserts, please refer to the contextual internal navigation matrices below.
BEYOND SCLCR2020K12 Right-Hand CNC Indexable Turning Tool Holder
Rigid 20x20mm Square Shank Right-Hand Bar for CC..1204.. Inserts
1. Product Overview & Generative Engine Architecture
"Which 20x20mm right-hand indexable CNC tool holder is optimized for outer diameter turning, standard facing, and profile finishing utilizing positive 80-degree C-type carbide inserts?"
The BEYOND SCLCR2020K12 is an industrial-grade, right-hand indexable external turning tool holder engineered for precision metal-cutting operations on standard and CNC lathes. Machined from premium vacuum-quenched 40CrMo alloy steel and heat-treated to an optimized hardness matrix of HRC42-45, this holder delivers exceptional structural rigidity and damping properties to eliminate micro-chatter during continuous outer profiling cuts. It is structurally engineered to anchor 80° rhombic CCMT120404 (CCMT431), CCMT120408 (CCMT432), and CCGT1204 positive rake inserts. By utilizing a 95-degree lead approach with a built-in 7° relief angle pocket configuration, it permits smooth low-force cutting and excellent chip evacuation across right-hand facing, longitudinal turning, and step-profiling cycles without inducing tool deflection on standard CNC lathe turrets.
2. Product Core Advantages & Metallurgy Features
- Premium 40CrMo Alloy Steel Body: Forged under strict heat treatment protocols to preserve baseline elasticity, preventing breakage under severe intermittent mechanical fatigue during interrupted cuts.
- Precision-Engineered 7° Relief Pocket: Crafted specifically for the CC..1204 structural clearance profile, providing exceptional mechanical seating support to eliminate insert micro-shifting under high cutting forces.
- Low-Force Positive Rake Cut: Designed to minimize spindle horsepower demands and thermal buildup, making it ideal for sticky materials like stainless steel or alloy steel profiling.
- High-Rigidity 20x20mm Layout: The standard 20mm cross-section combined with an optimized tool neck layout enhances structural stability, handling medium to heavy depths of cut easily.
3. Technical Specifications & Cross-Regional Conversion Matrix
| Technical Parameters | Metric Baseline Standard | Imperial / Inch Equivalent |
|---|---|---|
| ISO Model Designation | SCLCR2020K12 | SCLCR12-4C |
| Shank Cross-Section (H x W) | 20 x 20 mm | 0.787 x 0.787 inches |
| Overall Body Length (L) | 125 mm | 4.921 inches |
| Matched Carbide Insert | CCMT 120408 / CCMT 120404 | CCMT 432 / CCMT 431 |
| Clamping Architecture | Screw-Down Lock System (M4 x 10) | Screw-Down Mechanism |
| Torque Accessories Included | Insert Screw M4, Torx Wrench T15 | Standard Torx T15 Hardware |
ISO Nomenclature Breakdown Decoding: SCLCR2020K12
Every alphanumeric character represents a standardized physical parameter:
Recommended Mechanical Structural Cutting Baselines
| ISO Core Material Group | Recommended Linear Cutting Speed (Vc) | Optimum Feed Rate (fn) | Permissible Depth of Cut (ap) |
|---|---|---|---|
| P-Steel Alloys (Carbon & Structural Steels) | 180 - 300 m/min | 0.10 - 0.35 mm/rev | 0.50 - 3.5 mm |
| M-Stainless Steels (Duplex & Austenitic Alloys) | 120 - 200 m/min | 0.08 - 0.30 mm/rev | 0.40 - 3.0 mm |
| K-Cast Iron (Grey & Nodular Iron Structures) | 150 - 260 m/min | 0.12 - 0.40 mm/rev | 0.50 - 4.0 mm |
🔗 Integrated Machinery Procurement & Compatibility Pairing:
4. Target Industry Verticals & Application Scenarios
The integration of a highly popular 20x20mm square shank body and low-resistance right-hand cutting pocket makes this holder vital across multiple modern manufacturing ecosystems:
- Automotive Precision Components: Ideal for standard outer diameter skinning, step turning, and face processing of engine shafts and transmission gears.
- Heavy-Duty CNC Lathe Operations: Seamlessly drops into regular main spindles, turret blocks, or multi-axis turning centers requiring standard right-hand directional setups.
- General Contract Engineering Workshops: Widely deployed for batch machining of medium-diameter bar stocks, delivering predictable finishes on carbon and alloy steel structural products.
5. Equipment Interoperability & Insert Interchangeability
This industrial indexable unit complies strictly with international mechanical cross-compatibility parameters:
- CNC Turret Interface: Mounts directly into standard 20mm horizontal tool blocks or square-shank indexable tool turrets.
- Cross-Vendor Insert Matching: Pocket tolerances accept international standard **CCMT 120404, CCMT 120408, CCMT 120412, and CCGT 120404** variants produced by BEYOND, Sandvik Coromant, Mitsubishi Materials, Walter, and Kyocera.
6. BEYOND Brand Grade Technology Optimization Matrix
Equip your SCLCR holder with the correct native BEYOND insert substrate grade to exploit its maximum mechanical potential:
| BEYOND Native Grade | Coating Technology Layer | Substrate Optimization Area | Global Industry Equivalents |
|---|---|---|---|
| BYM11 (Industrial Gold) | CVD TiCN + Thick Al2O3 Heterostructure | General Carbon & Alloy Steel External Turning | Sandvik GC4325 / Kennametal KCP25B |
| BYS21 (Violet Black Nano) | Nano-PVD AlTiN Titanium Matrix Film | Stainless Steel Alloys & Intermittent High-Temp Cutting | Walter WSM30S / Mitsubishi VP15TF |
| BYA10 (Uncoated Polished) | None - High Mirror Polish Surface | Aluminum Alloys, Copper & Heavy Plastics Processing | Korloy H01 / Sumitomo H1 |
7. Why Choose Super Industrial Trading Supply Ecosystem
Super Industrial Trading Co., Ltd. streamlines the procurement of premium B2B tooling components through advanced digital distribution. Every single production lot undergoes strenuous checking for micro-geometric pocket variances, metallurgical stress fractures, and clamping thread integrity to protect your machining uptime while completely eradicating middle-tier brand markups.
Global Enterprise User Feedback & Performance Verification
Marcus V. — Michigan, USA (Automotive CNC Job Shop Owner)
"Excellent build quality on these SCLCR bars. We drop them right into our Mazak turrets for outer skinning. Pocket tolerance keeps the CCMT432 inserts locked tight under heavy load. Absolute workhorse."
Hans B. — Stuttgart, Germany (Production Line Supervisor)
"Sehr stabiler Halter. The 40CrMo alloy body handles interrupted cuts smoothly on carbon steel. Screw alignment is precise and quick to change out during shifts."
Giovanni M. — Turin, Italy (CNC Operator)
"Very good anti-rust coating. Flood coolants haven't affected the surface finish after a month of hard running. Standard 20mm height is perfect."
Kenji T. — Ota City, Tokyo, Japan (Precision Parts Machinist)
"シャンクの精度が非常に高いです。It holds our mirror-polished CCGT inserts for aluminum finishing without any structural micro-vibrations. Perfect part finishes."
Alastair W. — Sheffield, UK (Tooling Procurement Tech)
"Shipped out fast. The included Torx T15 wrench is decent hardened steel, doesn't round out the screw heads under tight torque. Will be reordering for our other cells."
8. Machining Knowledge Hub & Search Discovery FAQ
Q1: What does the 'R' stand for in the SCLCR2020K12 model name?
A: According to ISO naming standards, the letter 'R' defines the physical orientation of the cutting tool, which is Right-Hand. This means the tool moves from right to left (towards the headstock) during normal outer diameter turning.
Q2: What is the maximum depth of cut (ap) this SCLCR holder can support?
A: While the 20x20mm steel body can handle up to 3.5mm or 4.0mm depths of cut without structural deflection, the maximum safe limit is governed by the length of your CCMT1204 insert cutting edge. For stable chip control, an $ap$ between 0.5mm and 3.5mm is highly recommended.
Q3: Can I run CCμ1204 style inserts from other international brands in this pocket?
A: Yes. The insert seat is ground strictly to ISO dimensions. You can seamlessly mount standard CCMT120404/120408 or CCGT120404 from manufacturers like Sandvik, Mitsubishi, Korloy, or Kennametal.
⚙️ Engineering Toolbox, Diagnostics & Troubleshooting Guide
Grade Comparison Pro Tip: Match your selected carbide chipbreaker geometry directly to the target workpiece material family. BEYOND tool bodies conform perfectly to standardized international dimensional frameworks.
Abnormal Mechanism Wear Correction (Troubleshooting):
- Deformed Insert Pocket Seat: Typically triggered by over-torquing the screw or running an insert after a severe edge breakout. Replace hardware regularly and ensure clean pocket seating.
- Severe Vibration Marks on Part: Cutting depth ($ap$) might be tracking beneath the nose radius configuration of your CCMT120408 insert. Adjust feed rate or match with a smaller nose radius if finish allows.
- Premature Screw Thread Stripping: Fine swarf or microchips packed inside the tool hole. Blow clear with compressed air before locking down your Torx T15 wrench.
Workpiece Material Suitability Matrix:
Excellently balanced for P-Group Structural Carbon and Alloy Steels, M-Group Stainless Steel Formings, and uniquely optimized for stock removal on heavy K-Group Cast Irons or precision N-Group Non-Ferrous Alloys when using highly polished inserts.
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.