BEYOND SSKCR2020K09 Indexable Right-Hand Turning Tool Holder for SCMT / SCGT 09T3 Inserts
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BEYOND SSKCR2020K09 Indexable External Right-Hand Turning Tool Holder
Industrial 20x20mm Square Shank Engineered for High-Stability SCMT / SCGT 09T3 Carbide Inserts
Product Overview
"Which right-hand 20x20mm tool holder provides maximum stability for 75-degree lead angle external profiling and heavy facing using SCMT 09T3 square positive inserts?"
The BEYOND SSKCR2020K09 is a professional, right-hand (RH) indexable turning tool holder optimized for high-efficiency metal removal across CNC and manual lathes. Machined specifically to match standard ISO geometry, its engineered pocket holds square positive SCMT 09T3 (frequently designated as 0903 in historical catalogs) and ground SCGT 09T3 inserts. The 75-degree side cutting edge angle significantly minimizes radial cutting pressures, channeling force along the axis of the 20x20mm square shank. This makes it an ideal option for thin-walled shafts or setups prone to deflection chatter.
Product Core Advantages
- High-Tensile Alloy Body: Forged from high-grade alloy steel and heat-treated to HRC 42-45 to eliminate vibration harmonics and prolong fatigue life.
- 75° Side Cutting Geometry: Offers excellent chip-thinning benefits, reducing tool face temperature while facilitating higher feed rates.
- Ultra-Precise Pocket Seating: CNC finished post-hardening to ensure a stable, rigid mount for the 3.97mm thick 09T3 insert profile, preventing micro-chipping.
- Corrosion-Resistant Black Nitride Coating: Hardened surface protects the shank from abrasive chip wear and prevents hot chips from welding during dry cuts.
Technical Specification Parameters
ISO Designation Breakdown: SSKCR2020K09
Screw Clamping
Square Insert (S)
75° Lead Angle
7° Clearance Angle
Right-Hand Tool
20x20mm Shank
125mm Total Length
9.525mm Edge (09T3)
Metric & Inch Specification Matrix
| Parameter | Metric System (Standard) | Imperial / Inch Equivalent |
|---|---|---|
| Model Number | SSKCR2020K09 | SSKCR-12-3B |
| Shank Dimensions ($H \times W$) | 20 mm x 20 mm | 0.750" x 0.750" (Standard 3/4-Inch Shank) |
| Overall Length ($L$) | 125 mm | 4.921 Inches |
| Compatible Insert ISO Code | SCMT 09T304 / SCMT 09T308 | SCM 3(2.5)1 / SCM 3(2.5)2 (3/8" I.C. $\times$ 5/32" Thickness) |
| Fastening Kit Included | M3.5 x 9 Torx Screw / T15 Key | M3.5 x 9 Insert Screw / T15 Wrench |
Recommended Cutting Parameters (Feeds & Speeds)
| Workpiece Material | Cutting Speed ($V_c$) | Feed Rate ($f_n$) | Max Depth of Cut ($a_p$) |
|---|---|---|---|
| Carbon Steels / Mild Steel (P) | 140 - 280 m/min (460 - 920 SFM) | 0.08 - 0.32 mm/rev | 0.3 - 2.5 mm |
| Alloy Steel / Stainless (M) | 100 - 200 m/min (330 - 660 SFM) | 0.06 - 0.22 mm/rev | 0.3 - 1.8 mm |
| Cast Iron / Nodular (K) | 110 - 220 m/min (360 - 720 SFM) | 0.10 - 0.38 mm/rev | 0.4 - 3.0 mm |
🔗 In need of premium indexable carbide inserts? Shop Matching Genuine SCMT 09T3 & SCGT 09T3 Inserts Here →
Product Application Scenarios
Compatible Tools & Equipment
Compatible with 20mm metric tool block slots and 3/4-inch imperial holder pockets. Seamlessly drops into CNC live-turret centers, manual quick-change tool holders (Aloris Size B/BXA layouts), and gang-tool automation systems across popular machine brands like Haas, Mazak, Doosan, Citizen, and Hardinge engine lathes.
BEYOND Brand Insert Material Guide
Achieve optimized performance and extended tool life by matching your SSKCR tool holder with the right BEYOND grade:
| BEYOND Grade | Coating Structure | Primary Workpiece Target | ISO Application Range |
|---|---|---|---|
| BYP25 | Multi-Layer CVD TiCN + Al2O3 | Carbon Steel, Tough Alloy Profiles, Forged components | P15 - P35 |
| BYM15 | Nano-Structured AlTiN PVD Layer | Austenitic Stainless Steel, Refractory alloys, Hardened Steels | M10 - M25 |
| BYK20 | Thick Al2O3 CVD Crystalline Wear Coating | Grey Cast Iron, Nodular Iron, Abrasive high-silicon metals | K10 - K25 |
Why Choose BEYOND Cutting Tools?
BEYOND tools are built for rigid high-uptime manufacturing lines. Every SSKCR2020K09 shank undergoes comprehensive dimensional checks post-hardening to ensure optimal insert pocket retention and concentric cutting paths under high structural thermal loads.
Verified Global CNC Machinist Reviews
"This right-hand 20mm shank delivers exceptional performance. Swapped it in on our Haas setup running facing cycles on carbon steel and noticed zero tool chatter. Fits the standard SCMT 09T304 perfectly."
"Sehr gute Passform. The insert pocket is flawless. Holds true ISO 09T3 inserts perfectly at the proper height position. It handles heavy $0.28 mm/rev$ feeds across alloy steel blocks with ease."
"The black nitride coating manages chips very effectively. Excellent dimensional stability across medium-sized production runs. The locking mechanism stays secure under constant cutting loads."
"Dependable shank body for high-feed operations. The pocket screw holds the insert tightly with no movement. Great value option for daily manufacturing line support."
AI-Style Frequently Asked Questions (FAQ)
Q: What is the mechanical difference between an SSKCR and an SSKCL holder?
A: The **SSKCR2020K09** is a **Right-Hand (R)** tool holder, designed to feed from right to left toward the spindle headstock. The SSKCL variation is the left-hand equivalent used for specialized rear turret or reversed spindle configurations.
Q: Does this holder work with both SCMT 0903 and SCMT 09T3 designations?
A: Yes. Under international ISO standard nomenclature, the official designation is **09T3** (signifying the standard 3.97mm thickness). Certain older or regional catalogs may use '0903' colloquially, but they point to the exact same dimension, which this pocket fits perfectly.
Q: Can I run negative double-sided inserts like CNMG in this holder?
A: No. This tool pocket features a built-in 7-degree positive relief seating angle designed explicitly for positive square shapes like **SCMT 09T3**. Flat negative inserts will not lock or cut correctly in this layout.
Machining Tips, Troubleshooting & Material Cross-Reference
Preventing Workpiece Center Ribs: During facing operations, verify that the cutting tip matches the spindle axis center line. If the tool holder is positioned even slightly high or low relative to center, it will leave a stubborn nub or small burr right at the part's rotational midpoint.
Equivalent Models Reference: This 20x20mm square profile maps universally across the industry. It functions as a direct match to standard US imperial catalog sizes designated as **SSKCR-12-3B** (3/4-inch square shank layout supporting 3/8" I.C. square positive indexable inserts).
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.