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 RCMT0502MO-61 T9125 Round Carbide Steel Turning Insert

Name: Tungaloy RCMT0502MO-61 T9125 Round Carbide Steel Turning Insert
SKU: RCMT0502MO-61 T9125
Price: 58.99 USD
Availability: InStock

$58.99 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 RCMT0502MO-61 T9125 Insert

Stable Steel Turning | 61 Finishing Breaker | Versatile T9125 CVD Grade

What is the best round insert for interrupted steel cuts?

The Tungaloy RCMT0502MO-61 T9125 is a premium round carbide turning insert designed for high reliability across a wide range of steel machining applications. Powered by the T9125 CVD coated grade, this insert offers an ideal balance of wear resistance and toughness, making it the go-to choice for both continuous and interrupted cutting. The 61 chipbreaker is precision-engineered for finishing to light-duty turning, ensuring excellent chip evacuation and low cutting forces. Manufactured in Japan, this CNC turning insert provides the edge strength needed for difficult profiling and high-feed finishing on carbon and alloy steels.

Balanced T9125 Grade

Combines a high-toughness substrate with a specialized CVD coating to resist chipping during heavy or interrupted steel machining.

High Radius Edge Strength

The round (RCMT) geometry provides the strongest possible edge, distributing cutting forces evenly for maximum stability.

61 Finishing Breaker

Optimized for small depths of cut and precise feed rates, resulting in superior surface integrity and dimensions.

Decoding the RCMT0502MO-61 Technical Code

R
Round

C
7° Relief

M
Tolerance

T
Hole/Fix

05
5mm Size

02
2.38mm Thick

MO
Surface

61
Breaker

3. Technical Specifications: Metric vs. Imperial

ISO Parameter	Metric Units	Imperial Designation
Inscribed Circle (IC)	5.0 mm	0.197 inch
Thickness (S)	2.38 mm	3/32 inch
Corner Radius (RE)	2.5 mm (Full Round)	0.098 inch
Hole Diameter (D1)	2.3 mm	0.091 inch

Recommended Cutting Parameters (T9125 Grade)

Cutting Speed (Vc): 120 - 320 m/min (Highly versatile range)
Feed Rate (f): 0.05 - 0.20 mm/rev (For high-precision finish)
Depth of Cut (Ap): 0.2 - 1.2 mm

*Pro Advice: If your CNC setup experiences vibrations or has a keyway in the part, the T9125 grade provides the necessary toughness to prevent edge failure.*

4. Product Applications

Profiling and finishing of carbon, alloy, and tool steels.
Excellent for machining parts with cross-holes or keyways.
Precision turning of small-diameter automotive components.
Suitable for both Swiss-type CNCs and standard lathes.

5. Tool Compatibility

Designed for use with standard SRGCR/L or SRDCN turning tool holders for size 0502 (5mm IC) round inserts. High versatility for mixed production runs.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japan

Industry Partner
Geely Auto Supplier

Expert Knowledge
Technical Guidance Available

Global Reach
Fast B2B Delivery

Global Verified Reviews

⭐⭐⭐⭐⭐ "Very Reliable Grade" - Stefan W., Germany
"T9125 is my favorite grade for all-around steel work. It handles the small interruptions on our splined shafts without any issues."

⭐⭐⭐⭐⭐ "Perfect for Small Parts" - Hiroshi K., Japan
"I use these for 5mm radii profiling. The finish is consistent and the round geometry is extremely strong."

⭐⭐⭐⭐ "Great Chip Evacuation" - David B., USA
"The 61 breaker works exactly as described. Small chips, no mess, even at low feed rates."

⭐⭐⭐⭐⭐ "Long Tool Life" - Claudio M., Italy
"Consistent performance over 200 parts. Minimal wear seen on the cutting edge."

⭐⭐⭐⭐⭐ "Original Quality" - Raj P., Singapore
"Arrived in original Tungaloy packaging. Performance is top-notch in alloy steel."

8. FAQ - Common Machining Questions

Q: Is T9125 better than T9115 for unstable setups?

A: Yes. T9125 has higher toughness, making it much more reliable than T9115 if your machine setup is less rigid or you are facing vibration.

Q: Can I use this for stainless steel?

A: T9125 is a dedicated steel grade (ISO P). While it can work on some stainless, we recommend Tungaloy AH630/AH645 for dedicated stainless steel tasks.

Q: What tool holder do I need?

A: You need an SRGCR or SRDCN holder with a pocket size for 5mm round inserts (0502 size).

Expert Insight: The Versatility of T9125

In CNC production, the T9125 grade is considered the 'all-rounder'. Its unique CVD coating structure offers enough toughness to survive interrupted cuts while maintaining the wear resistance required for high-speed finishing. This makes the RCMT0502 extremely versatile for diverse workshop requirements.

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.