Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.

What is your international shipping policy and typical lead time for orders?

We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.

How do you guarantee the quality and tolerance precision of your CNC tools?

All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.

Tungaloy AOMT180508PDPR-MJ AH725 Milling Carbide Insert (10pcs)

Name: Tungaloy AOMT180508PDPR-MJ AH725 Milling Carbide Insert (10pcs)
SKU: AOMT180508PDPR-MJ
Price: 140.10 USD
Availability: InStock

$140.10 USD

Free shipping on all orders.
Check compatibility: Confirm the model and dimensions before ordering.
Need help choosing? Contact us before ordering.

💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF

Description

Description

TUNGALOY AOMT180508PDPR-MJ AH725

High-Feed Milling Specialist | MJ Chipbreaker | AH725 PVD Grade

Product Overview

The Tungaloy AOMT180508PDPR-MJ AH725 is a high-efficiency milling carbide insert engineered for heavy-duty face milling and shoulder milling operations. Designed for high metal removal rates (MRR), this insert features the specialized MJ chipbreaker for excellent chip evacuation in medium-to-heavy cutting conditions. The AH725 PVD coated grade provides exceptional thermal stability and wear resistance, making it the industrial standard for machining stainless steel, carbon steel, and alloy steels. Whether you are performing roughing or semi-finishing, this indexable milling tool delivers the reliability and tool life required for modern CNC machining environments. Made in Japan, it ensures the tightest tolerances in precision machining.

Technical Designation Breakdown

A
Shape

O
Clearance

M
Tolerance

T
Fixing

18
Size

05
Thick

08
Radius

MJ
Breaker

Technical Specifications: Metric vs. Imperial

Feature	Metric (Standard)	Imperial Equivalent
Insert Size	18 mm	0.708 inch
Thickness	5.3 mm	0.208 inch
Corner Radius	0.8 mm	0.031 inch

AH725 Grade: The All-Rounder

The AH725 grade is Tungaloy's most versatile PVD coated carbide. It features a high-AlTiN coating on a tough carbide substrate. This long-tail keywords favorite is optimized for preventing chipping during interrupted cuts, making it perfect for milling applications where heat and mechanical shock are constant factors in CNC machining.

MJ Chipbreaker: Medium Machining Specialist

The MJ geometry is designed with a balanced cutting edge strength and sharpness. It aggressively manages chip formation to prevent heat buildup on the workpiece, ensuring a stable cutting process even at higher feed rates.

Recommended Cutting Parameters

Optimized for P (Steel) and M (Stainless Steel):

Cutting Speed (Vc): 120 - 220 m/min (390 - 720 SFM)
Feed per Tooth (fz): 0.10 - 0.25 mm/t (0.004 - 0.010 ipt)
Depth of Cut (ap): Up to 12mm depending on cutter diameter

*Pro Tip: Use air blast rather than coolant when milling hardened steels with AH725 to prevent thermal cracking of the insert.*

Global Verified Reviews

⭐⭐⭐⭐⭐ "Workhorse for Stainless" - Matthias K., Germany
"The AH725 grade is my first choice for 304 and 316 milling. I get 30% more tool life compared to my previous brand. Very predictable wear."

⭐⭐⭐⭐⭐ "Great Chip Evacuation" - Hiroshi S., Japan
"The MJ chipbreaker really works for deep pocket milling. Chips don't get stuck and the surface finish is excellent."

⭐⭐⭐⭐ "Tough in Interrupted Cuts" - Mark L., USA
"Very reliable. I've used these on messy welds and the inserts held up without shattering. Tungaloy Japan quality."

⭐⭐⭐⭐⭐ "Excellent High Feed" - Luca G., Italy
"I run these at 0.2mm/tooth and they just keep going. Reduced my cycle time by 15% in alloy steel parts."

⭐⭐⭐⭐⭐ "Quick Shipping, Quality Product" - David O., UK
"Original AOMT inserts. The radius 0.8 is perfect for our standard shoulder milling. Will buy again."

Technical Q&A

Q: Which milling cutter bodies are compatible with this insert?

A: These inserts fit Tungaloy Tung-Tri and DoTriple-Mill series designed for size 18 inserts.

Q: Is AH725 good for dry machining?

A: Yes. AH725 is excellent for dry milling in steel. The PVD coating acts as a thermal barrier to protect the carbide substrate.

Q: What is the difference between MJ and ML chipbreakers?

A: **MJ** is for medium machining with a stronger edge. **ML** is for light machining and is sharper for lower horsepower machines.

Expert Machining Tip: PVD vs. CVD for Milling

For milling operations, **PVD grades** like **AH725** are preferred over CVD because they maintain a sharper edge and have higher compressive stress, which resists the thermal and mechanical shocks of intermittent cutting. This leads to higher accuracy and better tool life in precision machining.

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.

EQUIVALENT FINDER Cross-Reference to 15 Brands Find equivalent grades from Sandvik, Iscar, Kyocera, Walter, Mitsubishi and 10 more. FREE CATALOG Download PDF Catalogs 15+ insert catalogs with grade, ISO code, and tolerance data sheets. GRADE TOOL Find the Best Grade Insert grade selector for steel, stainless, cast iron, and superalloys.

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This Tungaloy insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.

Technical FAQ & Buying Guide

How do I choose the correct specification?

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.

How can I check compatibility with my existing setup?

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.

What quantity and price unit am I 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.

How should I choose cutting parameters?

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.

Are bulk discounts available?

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.

When will my order ship and arrive?

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.