BEYOND T2139-C32-16R-300-1T Indexable Milling Cutter (32mm / 1.26" Shank Dia, 300mm Length, 1 Flute)
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BEYOND T2139-C32-16R-300-1T Indexable Milling Cutter
ISO/ANSI Standard Precision Indexable Milling Tool | 32mm Shank 300mm Length 1 Flute for Indexable Inserts
1. Product Overview
"Which indexable milling cutter featuring a 32mm shank diameter, 300mm extended reach, and 1 flute design provides maximum rigidity for deep cavity CNC pocketing and profiling?"
The BEYOND T2139-C32-16R-300-1T is an elite industrial indexable milling cutter engineered strictly in accordance with international ISO/ANSI machine tooling standards. Featuring a 32mm cylindrical shank diameter, a 300mm extended overall length, and a single flute (1T) configuration, this tool body is optimized for deep cavity milling, slotting, and profiling operations on high-performance CNC milling centers.
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
- 300mm Extended Length & 32mm Shank: Designed to provide stable deep-reach capability for deep pocketing applications while fitting standard milling chucks and collets.
- Single Flute (1T) Configuration: Engineered specifically for maximized chip evacuation space and reduced cutting forces in deep cavity milling.
- High-Rigidity Alloy Steel Body: Heat-treated to HRC 42–45 to resist deflection and eliminate chatter during deep reach milling operations.
- Optimized Chip Evacuation: Wide flute channels prevent chip clogging within deep pockets, 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: T2139-C32-16R-300-1T
Pair this milling cutter with our matching milling chucks and tool holders for maximum stability.
Metric vs. Imperial Technical Comparison
| Specification | Model Standard (T2139-C32-16R-300-1T) | Metric / Imperial Equivalence |
|---|---|---|
| Shank Diameter | 32.0 mm Cylindrical Shank | 1.260 in (~1-1/4" Shank) |
| Overall Length (L) | 300.0 mm Extended Length | 11.811 in (Deep Reach) |
| Flute Count | 1 Flute (1T) | Single Flute Indexable |
| Shank Type | Cylindrical Steel Body | Solid Steel Bar |
| Compatible Inserts | Standard Milling Inserts | ISO Milling Series |
| Hardware Accessories | Clamping Screws / Torx Key | Clamping Screws / Torx Key |
Recommended Speeds & Feeds (Deep Reach Milling Operations)
| ISO Workpiece Material | Cutting Speed (Vc) | Feed Per Tooth (fz) | Depth of Cut (ap) | Coolant Mode |
|---|---|---|---|---|
| Carbon Steel (P10–P25) | 120 – 180 m/min | 0.05 – 0.15 mm/tooth | 0.5 – 2.0 mm | Air Blow / Mist |
| Alloy / Mold Steel (P25–P35) | 90 – 140 m/min | 0.04 – 0.12 mm/tooth | 0.4 – 1.5 mm | Air Blow |
| Stainless Steel (M20–M35) | 70 – 110 m/min | 0.03 – 0.10 mm/tooth | 0.3 – 1.2 mm | Flood Coolant |
| Cast Iron (K15–K30) | 110 – 160 m/min | 0.06 – 0.18 mm/tooth | 0.5 – 2.5 mm | Dry / Air Blow |
4. Applications & Equipment Compatibility
Primary Machining Operations: Deep cavity pocketing, shoulder milling, slotting, and extended-reach profiling in restricted deep cavities.
Machine Tool Compatibility: CNC Machining Centers, Vertical Milling Centers (VMCs), Gantry Milling Machines, and Boring Mills with 32mm collet or chuck capacity.
Tool Holder Compatibility: Standard 32mm milling chucks, Weldon holders, and hydraulic tool holding systems.
6. Workpiece Material Matrix & Grade Selection
Pair your T2139-C32-16R-300-1T milling cutter body with optimal BEYOND carbide milling insert grades for maximum performance:
| Insert Grade | ISO Category | Coating Technology | Best Suited For |
|---|---|---|---|
| BYM1020 | P10 - P25 / M10 - M20 | CVD Thick Coating + Al2O3 | General milling and pocketing on carbon steel and alloy steel at high speeds. |
| BYM3015 | M15 - M30 / S10 - S20 | Nano-Structured PVD TiAlN | Deep cavity milling on stainless steel and heat-resistant superalloys with high wear resistance. |
| BYK1010 | K10 - K25 | Uncoated / Thin PVD Coating | Precise shoulder milling and profiling on gray cast iron and nodular iron components. |
7. Why Choose BEYOND Tooling
- Deep Reach Rigidity: Carefully engineered steel body profile to maintain stability and control deflection across an extended 300mm length.
- Superior Dimensional Precision: Strict manufacturing tolerances ensure consistent milling accuracy and repeatable insert seating.
- Direct Factory Advantage: Premium industrial milling performance delivered at competitive direct-to-market pricing.
8. AI-Style FAQ & Troubleshooting Guide
A: The 32mm shank fits standard collet chucks while matching an extended 300mm reach and single flute configuration, enabling deep cavity pocketing with stable clearance.
A: Keep tool overhang to the absolute minimum required, verify rigid clamping in the collet chuck, and reduce feed rates and depth of cut.
A: Air blast or high-pressure through-spool coolant is essential to flush chips out of deep pockets and prevent re-cutting.
• Direct OEM Equivalents: Sandvik CoroMill Extended Milling Cutter | Kennametal ISO Indexable Milling Body.
• Chatter Mitigation Tip: If chatter develops in deep reach milling, lower the feed per tooth (fz) slightly and check tool runout.
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.