SRGCR2020K06 External Turning Tool Holder for RCMT Inserts – BEYOND
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SRGCR2020K06 External Turning Toolholder
Professional 20x20mm Right-Hand Shank for RCMT0602 Round Inserts
Product Overview
"Which right-hand toolholder is most efficient for high-stability profiling and large-radius contouring on a 20mm CNC turret?"
The Beyond SRGCR2020K06 is a high-performance external turning toolholder specifically engineered for RCMT0602 round inserts. Round geometry offers the strongest cutting edge in the industry, effectively distributing cutting forces and heat. This makes the SRGCR2020K06 ideal for roughing forged parts and finishing complex profiles where vibration damping and surface integrity are critical. Its 20x20mm shank provides a rigid platform for both continuous and interrupted cutting in steel and alloy materials.
Key Features
- ✔ High-Grade 42CrMo Steel: Quenched and tempered to HRC 42-45 for superior impact resistance.
- ✔ Screw-Down Clamping: Optimized pocket design ensures precision indexability and maximum insert support.
- ✔ Multi-Directional Versatility: Excellent for profiling, facing, and longitudinal turning with a single tool.
Technical Specifications
Screw Clamp
Round Shape
90° Approach
7° Relief
Right Hand
20x20mm
125mm Len
RCMT06
| ISO Parameter | Metric (mm) | Imperial (inch) |
|---|---|---|
| Shank Size (H x W) | 20 x 20 mm | 0.787" x 0.787" |
| Total Length | 125 mm | 4.921" |
| Insert Size | RCMT 0602** | Round 1/4" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Carbon Steel (P) | 150 - 280 m/min | 0.15 - 0.45 mm/rev |
| Stainless (M) | 100 - 180 m/min | 0.10 - 0.35 mm/rev |
Required Insert: RCMT 0602** / RCGT 0602**
Optimized for 6mm round inserts for precision finishing and profiling.
View Compatible Inserts →Industrial Applications
- Shaft & Hydraulic Cylinder Profiling
- Complex Radius Contouring
- Turbine Component Machining
- Roughing of Forged Steel Parts
Compatibility
Fits all standard CNC turrets with 20mm tool slots. ISO Standard geometry ensures full compatibility with RCMT 06 series inserts from Beyond and other leading manufacturers.
Beyond Brand Material Comparison
Superior 42CrMo Body: Unlike cheaper toolholders made from standard carbon steel, Beyond uses 42CrMo alloy steel. This provides 30% higher damping capacity and significantly better thermal stability, preserving the accuracy of your CNC turret and extending the life of your carbide inserts during heavy-duty operations.
Customer Field Reviews
"Perfect rigidity for profiling stainless. The 20mm shank fits my HAAS turrets perfectly."
— Robert D., USA"Halter ist sehr präzise gefertigt. Die RCMT-Platten sitzen bombenfest."
— Dieter W., Germany"Superior surface finish compared to diamond inserts for radius work."
— Marco V., Italy"Fast delivery and high quality. Precision fit for my Japanese lathe."
— Kenji S., JapanFrequently Asked Questions
Can I use RCGT inserts with this holder?
Yes! The SRGCR2020K06 is compatible with both RCMT (standard) and RCGT (ground/polished for aluminum) 06mm round inserts.
Is this toolholder Right-Hand or Left-Hand?
The "R" in SRGCR stands for Right-Hand. Please verify your turret configuration before purchase.
Why use a round insert for profiling?
Round inserts provide the strongest edge geometry, preventing chipping and providing superior surface finish during complex radii machining.
Material Pro Tip: High-Feed Profiling
When using the SRGCR2020K06, the actual chip thickness is less than the feed per revolution due to the round geometry. For radius finishing, you can often increase your feed rate by up to 20% compared to diamond tools, reducing cycle time without sacrificing finish.
Need Help With BEYOND Inserts?
Looking for a 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 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.