TaeguTec SPMG Series Drill Inserts TT9030 - SPMG 05/06/07/09/11/14 DG
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TaeguTec SPMG Indexable Drill Inserts | TT9030 PVD Grade
High-Performance DG Chipbreaker for Steel & Stainless Steel Drilling
Product Overview
The TaeguTec SPMG series is the global standard for indexable drilling performance. Engineered with the TT9030 PVD grade, these inserts feature a multi-layered coating that provides extreme heat resistance and edge toughness. The DG (General) chipbreaker is specifically designed to handle a wide range of materials—from carbon steel to difficult-to-machine stainless steels—ensuring that chips are broken into small, manageable segments to prevent tool failure and machine downtime.
Core Advantages of TT9030 & DG Geometry
- ✔ Advanced PVD Coating: The TT9030 grade is optimized for high-speed drilling where heat buildup is intense.
- ✔ Versatile DG Geometry: Exceptional chip control across P, M, and K material groups, reducing vibration.
- ✔ Precision S-Shape: Four cutting edges provide superior cost-per-hole economics compared to alternative shapes.
Full Series Technical Specifications
Square
11° Relief
Tolerance
Hole/Pin
Chipbreaker
| Model (Metric) | ANSI (Inch) | Thickness (mm) | Radius (mm) | IC (mm) |
|---|---|---|---|---|
| SPMG 050204 DG | SPMG 1.81.51 | 2.38 | 0.4 | 5.00 |
| SPMG 060204 DG | SPMG 21.51 | 2.38 | 0.4 | 6.00 |
| SPMG 07T308 DG | SPMG 2.532 | 3.97 | 0.8 | 7.94 |
| SPMG 090408 DG | SPMG 33.52 | 4.30 | 0.8 | 9.80 |
| SPMG 110408 DG | SPMG 3.53.52 | 4.76 | 0.8 | 11.50 |
| SPMG 140512 DG | SPMG 443 | 5.20 | 1.2 | 14.30 |
Recommended Cutting Data (Steel & Stainless)
| Material | Speed (Vc) | Feed (mm/rev) |
|---|---|---|
| Carbon/Alloy Steel (P) | 140 - 240 m/min | 0.06 - 0.22 |
| Stainless Steel (M) | 90 - 160 m/min | 0.05 - 0.14 |
Primary Applications
- Steel (P-Class) High-Efficiency Drilling
- Stainless Steel (M-Class) chip breaking
- U-Drilling with high coolant pressure
- Automotive & Heavy Industry machining
Compatibility
- All TaeguTec SPMG compliant U-drills
- CNC Machining Centers (VMC/HMC)
- Live-tooling CNC Lathes
TaeguTec Drilling Grades
| Grade | Substrate | Main Target |
|---|---|---|
| TT9030 (This) | PVD Multi-Layer | Universal: Steel & Stainless Steel |
| TT8020 | PVD Heavy Duty | Cast Iron & Heat Resistant Alloys |
Trusted Globally by Machinists
⭐⭐⭐⭐⭐
"TT9030 grade is a lifesaver for 304 stainless. No more chip nests."
— David R., USA 🇺🇸⭐⭐⭐⭐⭐
"Stabile Standzeit beim Bohren von legiertem Stahl. Sehr zufrieden."
— Markus S., Germany 🇩🇪⭐⭐⭐⭐⭐
"Exceptional surface finish for an indexable drill. Great product."
— Luigi V., Italy 🇮🇹⭐⭐⭐⭐⭐
"DG chipbreaker works perfectly on our automated lines."
— Hiroshi M., Japan 🇯🇵Frequently Asked Questions
Q: Can I use SPMG inserts for steel and stainless with the same grade?
A: Yes! The TT9030 grade is specifically engineered to be a "universal" drilling grade for both Steel (P) and Stainless Steel (M).
Q: What coolant pressure is recommended?
A: For U-drilling, through-tool coolant with at least 15-20 bar is ideal to clear chips effectively from the hole cavity.
Q: Are these four-edged inserts?
A: Yes, the square SPMG shape provides 4 usable cutting corners, making it highly economical.
Industrial Tech Tip: When using the peripheral and central inserts, ensure the TT9030 grade is used on both to maintain balanced tool wear and prevent vibration. Always check for alignment accuracy before high-speed drilling.
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.