TaeguTec VCMT110304PC TT9080 Carbide Turning Insert | 10 Pcs/Box
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TaeguTec VCMT110304PC TT9080 Inserts
High-Toughness Small-Bore Stainless & Superalloy Finishing | TT9080 PVD Grade | Box of 10 Pcs
"Which compact 35-degree positive diamond carbide insert with a 0.4mm corner radius and PC chipbreaker is best for low-force small-bore internal turning and interrupted profiling in stainless steel and heat-resistant superalloys?"
The TaeguTec VCMT110304PC TT9080 is a compact, single-sided, positive-rake 35° rhombic turning insert engineered specifically for low-cutting-force internal boring, small-diameter profiling, and interrupted finishing in stainless steels, heat-resistant superalloys (HRSA), and unstable setups. Powered by TaeguTec's high-toughness TT9080 PVD coating grade, this insert combines an ultra-tough, fine-grained carbide substrate with a smooth, high-adhesion TiAlN Physical Vapor Deposition (PVD) coating. Austenitic stainless steels (304/316) and nickel-based alloys work-harden rapidly and induce micro-chipping on brittle inserts during small-bore overhangs; the TT9080 PVD grade delivers superior edge security, shock absorption, and protection against Built-Up Edge (BUE) at moderate cutting speeds. Paired with the sharp, positive-rake PC finishing-to-medium chipbreaker and a precise 0.4mm corner radius, it minimizes radial deflection on slender boring bars and curls chips cleanly out of tight bores. Whether you are machining small internal diameters with the Beyond C16Q-SVJCR11 Tungsten Steel Boring Bar or the Beyond S16Q-SVQCL11 Boring Bar Holder, or browsing our broader selections of TaeguTec VCMT inserts, TaeguTec VBMT inserts, and TaeguTec VNMG inserts, the VCMT110304PC TT9080 ensures superior surface integrity and tool reliability. Explore further design insights in our resources on carbide insert nose radius and stainless steel machining speeds and feeds.
Core Engineering Advantages
TT9080 High-Toughness PVD
Ultra-tough sub-micron substrate with smooth TiAlN PVD coating prevents edge chipping in interrupted cuts and gummy stainless steels.
PC Finishing Chipbreaker
Sharp positive-rake geometry curls finishing chips smoothly and prevents chip jamming inside small internal bores.
Compact 35° Profiling Access
Compact 11-size rhombic profile and 0.4mm nose radius clear narrow relief grooves, sharp shoulders, and small internal diameters.
ISO Code Specification Breakdown
Technical Specifications & Dimensional Comparison
| Parameter | Metric (Standard) | Imperial Equivalent |
|---|---|---|
| ISO / ANSI Designation | VCMT 110304-PC | VCMT 221-PC |
| Inscribed Circle (IC) | 6.35 mm | 0.250" (1/4") |
| Thickness (S) | 3.18 mm | 0.125" (1/8") |
| Corner Radius (RE) | 0.40 mm | 0.0157" (approx. 1/64") |
| Grade & Coating | TT9080 (Tough PVD TiAlN Coated) | Stainless & HRSA Tough PVD Carbide |
Recommended Cutting Parameters
*Values are starting recommendations for small-bore finishing and interrupted profiling in stainless steel and superalloys. Maintain steady flood coolant.
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (Ap) |
|---|---|---|---|
| Austenitic & Duplex Stainless (304 / 316) | 85 - 160 m/min | 0.06 - 0.19 mm/rev | 0.20 - 1.50 mm |
| Heat-Resistant Superalloys (Inconel / Titanium) | 30 - 60 m/min | 0.05 - 0.15 mm/rev | 0.20 - 1.20 mm |
| Low-Carbon & Alloy Steel (1018 / 4140) | 115 - 200 m/min | 0.08 - 0.22 mm/rev | 0.25 - 1.70 mm |
Compatible Tool Holders & Boring Bar Resources
Pair these 11-size (1/4" IC) positive inserts with dedicated small-bore toolholders such as the Beyond C16Q-SVJCR11 Tungsten Steel Boring Bar and Beyond S16Q-SVQCL11 Boring Bar Holder (or explore larger 16-size holders like the Beyond S16Q-SVXCR16 Boring Bar Holder).
For internal profiling solutions, explore our rough and fine boring series or browse screw-on system boring bars.
Industrial Applications
- Small-Diameter Interrupted Stainless & Superalloy Boring: Tough TT9080 substrate absorbs shock and prevents edge chipping in tight bores down to 12mm-16mm.
- Precision Swiss-Type & Slender Shaft Profiling: 7° positive clearance and 0.4mm corner radius minimize radial cutting pressure on delicate shafts and sharp internal shoulders.
- Multi-Brand Tooling Consolidation: Fully compatible with alternate positive turning systems across Korloy VCMT, Korloy VCGT/VCMT, and ZCC-CT VCMT catalogs.
System Compatibility & Related Insert Catalogs
The VCMT 110304PC (ANSI VCMT 221 PC) fits all standard ISO-compliant positive 35° rhombic boring bars and turning toolholders utilizing a 6.35mm (1/4") inscribed circle pocket. To expand your tooling inventory, explore our comprehensive selections including TaeguTec VCMT, TaeguTec VBMT, and TaeguTec negative turning inserts. Review additional application guides such as CNMG grade cross reference guide, chipbreaker family guide, inserts by material, inserts by operation, and top global CNC insert brands.
TaeguTec Grade Selection Matrix
Selecting the optimal TaeguTec turning grade for positive inserts:
- TT9080 (Featured - High-Toughness Stainless & Superalloy PVD Grade): Ultra-tough sub-micron substrate with TiAlN PVD coating engineered for interrupted cuts, unstable setups, and low-to-medium speed finishing in stainless steels (ISO M) and superalloys (ISO S).
- TT9225 (PVD): Harder nano-PVD grade recommended for continuous stainless steel turning where higher thermal wear resistance is desired.
- TT5080 (PVD): Universal tough PVD grade for mixed general-purpose machining across steels, stainless steels, and cast irons.
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On-staff tooling specialists available for speed and feed recommendations.
Frequently Asked Questions
Q: What is the difference between VCMT110304 and VCMT160404?
A: VCMT110304 (ANSI VCMT221) is a smaller 6.35mm (1/4") IC insert designed for compact boring bars and Swiss-type lathes, whereas VCMT160404 (ANSI VCMT331) is a larger 9.525mm (3/8") IC insert for heavier toolholders.
Q: Why choose PVD-coated TT9080 instead of a CVD grade for small-bore stainless steel boring?
A: Physical Vapor Deposition (PVD) coatings like TT9080 are applied at lower temperatures, preserving the transverse rupture strength and sharp cutting edge required to prevent chipping and deflection in small-bore stainless steel boring.
Q: How many cutting edges are included in each box?
A: Each single-sided VCMT insert provides 1 precision indexable cutting edge (10 edges total per factory-sealed box).
Need Help With TaeguTec Inserts?
Looking for a TaeguTec 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 TaeguTec 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.