Tungaloy XPMT110412R-DJ AH725 Indexable Drilling Insert | TAC Drill Series
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Tungaloy XPMT110412R-DJ AH725 Carbide Drilling Insert – Optimized for Steel & Stainless Performance
Enhanced PVD coated carbide insert for high-precision drilling. Combining the robust AH725 grade with the specialized DJ chipbreaker for superior evacuation in deep-hole applications.
Product Overview
"Which indexable insert provides the most stable chip control and tool life when drilling alloy steels and stainless components?"
The Tungaloy XPMT110412R-DJ AH725 is specifically engineered for the outer pocket of indexable drills. The DJ (Drilling Joint) chipbreaker features a unique rake angle and groove design that forces chips to break into short, manageable curls, preventing "chip clogging" even in ductile materials. Coupled with the AH725 PVD Grade—a high-AlTiN coating on a tough carbide substrate—this insert excels in resisting thermal shock and edge chipping, making it a "first-choice" grade for steel (P) and stainless (M) drilling operations.
Model Code Decoder – XPMT110412R-DJ
6-degree Parallelogram
11° (Positive)
Standard Class
Screw Lock
11.0 mm
4.76 mm
1.2 mm
Drilling Joint
Key Features
Technical Specifications
Dimensions: Metric vs. Imperial
| Parameter | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Model Code | XPMT110412R-DJ | XPMT 3.5(1.5)3-DJ |
| Edge Length (L) | 11.0 mm | 0.433 in |
| Thickness (S) | 4.76 mm | 0.187 in |
| Corner Radius (r) | 1.2 mm | 0.047 in |
| Hole Diameter (d1) | 4.4 mm | 0.173 in |
Recommended Cutting Parameters
| Workpiece Material | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Low Carbon Steel (P) | 120 - 220 | 0.08 - 0.18 |
| Alloy Steel (P) | 100 - 180 | 0.07 - 0.15 |
| Stainless Steel (M) | 80 - 150 | 0.06 - 0.12 |
| Cast Iron (K) | 120 - 200 | 0.10 - 0.20 |
🔧 Compatible Tungaloy Drill Bodies (TDX Series)
Applications
Why Choose Us
Customer Feedback
"Outstanding chip control on 304 Stainless. The DJ breaker really makes a difference in preventing nesting."
"Stable tool life. AH725 grade is our go-to for varied steel drilling operations."
"Perfect fit for our TDX drills. Good performance at 150 m/min."
Frequently Asked Questions
💡 Grade Tip: AH725 vs. AH120
Choose AH725 for a balance of toughness and speed in Steel and Stainless. If you are experiencing excessive heat wear in heavy roughing, consider moving to the AH120 grade for higher thermal stability.
Need Help With Tungaloy Inserts?
Looking for a Tungaloy 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 Tungaloy 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.