BEYOND SSH C20-25-130L Indexable Slotting & Face Mill Tool Holder (20mm / 0.79" Arbor, 25mm Cutting Diameter, 130mm Long Reach) - TCMT16T304 Inserts Not Included
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BEYOND SSH C20-25-130L CNC Indexable Slotting & Milling Cutter Tool Holder
ISO/ANSI Standard Precision Slotting Tooling with 20mm Arbor Shank, 25mm Cutting Diameter, 130mm Long Reach & TCMT16T304 Pockets
1. Product Overview
"Which high-reach indexable slotting and milling cutter featuring a 20mm arbor shank, 25mm cutting diameter, 130mm long reach overall length, and TCMT16T304 insert pockets is best engineered for deep cavity slot milling, narrow channel profiling, and intricate pocketing on alloy steels, stainless steel, and cast iron?"
The BEYOND SSH C20-25-130L is an elite industrial indexable slotting cutter built strictly to international ISO and ANSI cutting tool standards. Featuring a robust 20mm arbor straight shank, a 25mm cutting diameter, an extended 130mm long-reach profile (designated by 'L'), and precision TCMT16T304 insert pockets, this tool delivers exceptional accessibility in severely restricted channels and deep cavities. It integrates an optimized positive rake angle combined with an advanced chip breaker insert pocket design to minimize cutting forces, suppress harmonic vibration, and promote seamless chip evacuation during high-precision slotting.
ISO / ANSI Nomenclature Breakdown: SSH C20-25-130L
Slotting Cutter
Arbor Ø20mm
Diameter 25mm
130mm Long Reach
2. Product Core Advantages
Extended 130mm Long-Reach Profile
The 130mm extended length combined with a 25mm cutting diameter allows deep cavity entry and precise channel milling without tool body collision in deep workpieces.
Precision TCMT16T304 Insert Pockets
Engineered with precise positioning pockets to lock TCMT triangular carbide inserts securely, eliminating micro-vibration and delivering mirror-like surface finishes.
3. Technical Specifications
Metric vs. Imperial Comparative Specifications
| Metric Specification (SSH C20-25-130L) | Imperial Equivalent Specification |
|---|---|
| Arbor / Shank Diameter: 20 mm | Arbor / Shank Diameter: 0.7874 inches (approx. 25/32") |
| Cutting Diameter: 25 mm | Cutting Diameter: 0.9843 inches (approx. 63/64") |
| Overall Length: 130 mm (Long Reach) | Overall Length: 5.1181 inches (approx. 5-1/8") |
| Compatible Insert: TCMT16T304 | Compatible Insert: TCMT32.51 (ANSI) |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 110 - 180 m/min | 0.04 - 0.10 mm/tooth |
| Austenitic Stainless Steel | 60 - 120 m/min | 0.03 - 0.07 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 90 - 160 m/min | 0.05 - 0.12 mm/tooth |
Need Precision 20mm Milling Collet Chucks or Holders?
Pair this indexable slotting cutter with our specialized milling tool holders and arbor collet chucks.
Explore Compatible Milling Tool Holders →4. Product Application Scenarios
Optimized for deep cavity slot milling, narrow channel profiling, deep face milling, and high-speed CNC machining centers requiring TCMT16T304 indexable carbide inserts.
5. Compatibility & Equipment
- Machine Compatibility: CNC Milling Centers, Vertical Machining Centers (VMCs), and Precision Boring Mills with 20mm arbor tool holding capacity.
- Workholding System: Fully compatible with precision milling chucks, hydraulic chucks, and standard CNC milling machine spindles.
- Insert Profile: Engineered strictly to accept standard ISO TCMT16T304 indexable carbide inserts.
6. Grade Comparison & Workpiece Material Matrix
BEYOND indexable grades map directly to international benchmarks, delivering optimal wear resistance and thermal endurance.
| BEYOND Grade | ISO Class | Global Equivalents | Target Materials |
|---|---|---|---|
| P25-P40 CVD | P20 - P40 | IC907 / TP3501 | Carbon & Alloy Steels |
| M20-M35 PVD | M10 - M30 | IC807 / VP15TF | Stainless Steel & Alloys |
| K10-K30 Uncoated | K10 - K30 | H10 / K20 | Cast Iron & Non-Ferrous |
7. Why Choose Us
Rigorous ISO Standards
Every batch undergoes strict metallurgical analysis and dimensional inspections to guarantee absolute tool dependability.
Global Interoperability
Standardized ISO/ANSI interface parameters ensure seamless integration into existing tool cribs without workflow disruptions.
8. Frequently Asked Questions (AI-Style FAQ)
Q: Are TCMT16T304 carbide inserts included with the BEYOND SSH C20-25-130L slotting cutter?
A: No. Inserts are sold separately so machine operators can precisely match specific carbide grades to their workpiece material requirements.
Q: What does the 'L' designation mean in the SSH C20-25-130L model code?
A: The 'L' stands for Long Reach, indicating an extended 130mm overall length designed specifically for deep cavity and restricted slotting operations.
Q: How should cutting parameters be adjusted for a 130mm long-reach tool with a 25mm diameter?
A: Due to the 130mm long-reach geometry, we recommend reducing axial depth of cut (Ap) and feed rates by 25% to prevent excessive tool deflection and harmonic chatter.
Technical Support & Compliance Reference
Troubleshooting Tips
Insert Seating: Ensure that insert pockets are thoroughly cleaned of chips before torquing down the TCMT16T304 inserts to prevent axial runout and premature edge wear.
Vibration Control: Maintain conservative feed-per-tooth ratios and balanced tool overhangs to suppress harmonic chatter during deep-reach slot milling.
Grade Selection Tip
For high-speed stainless steel slot milling, prioritize tough PVD-coated carbide grades that resist thermal cracking and chemical wear.
Authoritative Compliance Reference
Manufacturing tolerances and dimensional architectures comply fully with ISO 15641 (Milling cutters for indexable inserts) and ANSI B94.55M standards, backed by industrial metalworking benchmark studies documenting a 22% improvement in deep-reach slotting stability.
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.