BEYOND SRACL1616H08 CNC External Turning Tool Holder - 16x16mm Left Hand
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BEYOND SRACL1616H08 External Turning Tool Holder
Precision Left-Hand Profiling for RCMT 0803 Round Inserts
Product Overview
"Which left-hand tool holder provides the highest stability for heavy profiling and finishing on compact CNC lathes?"
The BEYOND SRACL1616H08 is a professional-grade 16x16mm tool holder optimized for RCMT 0803 round inserts. Designed for left-hand external turning, the round insert geometry offers unparalleled edge strength compared to rhombic shapes. This configuration is the industry standard for complex profiling, radius turning, and heavy metal removal where tool pressure must be distributed evenly. The 16mm shank is perfectly sized for small to mid-sized lathes requiring industrial-strength rigidity.
Key Features
Infinite Edge Rotation
Round inserts (RCMT) allow you to utilize the entire circumference, effectively providing more cutting edges per insert than any other shape.
Industrial 40Cr Alloy Steel
Vacuum-quenched to HRC 42-45, the shank provides superior vibration dampening and resistance to thermal deformation.
Screw-Down Stability
The S-Type clamping system ensures the insert is seated with zero micro-movement, essential for high-precision finishing.
Technical Specifications
| Feature | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Shank Size | 16 x 16 mm | 0.63" x 0.63" |
| Overall Length | 100 mm | 3.94" |
| Compatible Insert | RCMT 0803 | RCMT 2.5 |
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Carbon Steel (P) | 160 - 280 m/min | 0.15 - 0.50 mm/rev |
| Stainless Steel (M) | 120 - 200 m/min | 0.12 - 0.40 mm/rev |
Applications
- Heavy roughing of turbine blades and rounded shafts.
- Complex contour profiling in aerospace components.
- Semi-finishing with high stability requirements.
- Optimized for Steel, Stainless, and Heat-Resistant Alloys.
Compatibility
Fits 16mm CNC Turrets and Manual Lathe Tool Posts. Compatible with RCMT 0803MO/MO-P/MO-M series inserts from BEYOND, Sandvik, and Kyocera.
Machinist Verified Reviews
"Profiling Masterpiece"
Robert S., USA
Using this for radius profiling on carbon steel shafts. The left-hand 16mm shank is incredibly rigid for its size.
"Top Tier Stability"
Hans L., Germany
BEYOND holders never disappoint. The insert seat is perfectly ground, zero vibration at high speeds.
"Great Value"
Matteo G., Italy
Excellent quality/price ratio. Ships fast. Holds the RCMT inserts very securely.
Expert Tooling FAQ
Q: Why choose a round insert (RCMT) over a rhombic one?
A: Round inserts provide the strongest cutting edge and allow for variable approach angles, making them significantly better for profiling and heavy roughing where chip load varies.
Q: Is this holder suitable for interrupted cuts?
A: Absolutely. The SRACL1616H08 is forged from alloy steel specifically to handle the shock loads of interrupted cuts without seat deformation.
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.