Tungaloy JTGR3050F J740 PVD Coated Grooving Insert for Precision External Grooving

Tungaloy JTGR3050F J740 PVD Coated Grooving Insert for Precision External Grooving

$200.17 USD

✓ In Stock & Fast Dispatch: Order processing: typically 1–3 business days after confirmation.
✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
✓ Guaranteed Quality: Check model, dimensions and compatibility before ordering. | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer

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

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Description

Tungaloy JTGR3050F J740 Grooving Insert

High-Precision External Grooving | Specialized J740 PVD Grade | Japan Excellence

What is the best insert for zero-lead angle grooving in tough alloys?

The Tungaloy JTGR3050F J740 is a premier indexable grooving tool specifically engineered for high-accuracy external grooving. The J740 PVD coated carbide grade is the professional choice for machining stainless steel and heat-resistant superalloys, providing unmatched resistance to built-up edge (BUE) and notch wear. Featuring a 0.50mm cutting width and a specialized chipbreaker for narrow grooving, this CNC machining insert ensures incredible surface integrity. As a Japan-made high-performance tool, this long-tail keywords optimized insert provides extended tool life and repeatability, making it a critical component for aerospace and medical manufacturing.

Decoding the JTGR3050F Technical Nomenclature

J
Mounting
T
External
G
Grooving
R
Right Hand
3050
0.5mm Width
F
Fine/Flat
J740
PVD Grade

Technical Specs: Metric vs. Imperial Units

ISO Parameter Metric Unit Imperial Designation
Cutting Width (CW) 0.50 mm 0.0197 inch
Corner Radius (RE) 0.05 mm 0.0020 inch
Lead Angle 0° (Neutral Fine) Neutral Lead
Mounting Type J-Series Type J-Type Tooling

Recommended Cutting Parameters (J740 Grade)

  • Cutting Speed (Vc): 40 - 130 m/min (Material dependent)
  • Feed Rate (f): 0.01 - 0.05 mm/rev (Specialized for thin grooves)
  • Coolant: Required for heat control in narrow slots.

*Pro Tip: For 0.5mm grooving, ensure the tool holder is perfectly aligned to the spindle center to prevent edge chipping during entry.*

Customer Feedback Across the Globe

⭐⭐⭐⭐⭐ "Incredible for micro-grooving" - Matthias K., Germany
"The precision of JTGR3050F is unmatched. We used it for specialized electronic connectors in stainless. 0.5mm width is spot on."

⭐⭐⭐⭐⭐ "J740 lasts longer" - Robert S., USA
"Tougher than other PVD grades I've tried. No built-up edge on Inconel parts. Excellent Tungaloy quality."

⭐⭐⭐⭐ "Very stable cuts" - Hiro K., Japan
"Standard choice for our precision lathes. The chip control at this narrow width is very reliable."

⭐⭐⭐⭐⭐ "Beautiful Finish" - Alessandro B., Italy
"Used for aerospace hydraulic fittings. The surface finish is better than expected for a carbide insert."

⭐⭐⭐⭐⭐ "Fast Shipping" - A. Clarke, UK
"Authentic Tungaloy parts. The J740 grade is perfect for our 304 stainless jobs."

Technical Tooling Q&A

Q: Is JTGR3050F suitable for parting off?

A: This is primarily an external grooving insert. While it can perform very light parting on small diameters, its flat geometry (F) is optimized for precision grooves.

Q: Why choose J740 over cermet grades?

A: J740 (PVD Carbide) provides significantly higher toughness. If your material is stainless steel or has interruptions, J740 will resist chipping far better than a cermet.

Q: Does it fit my existing holder?

A: It is designed for Tungaloy J-Series external holders (JCTEL/R). Please verify the seat size of your holder before installation.

Expert Insight: J740 PVD Versatility

In precision machining, J740 is the go-to grade for thermal resistance. While CVD coatings are for high-speed roughing, J740 provides the sharp, vibration-resistant edge needed for the delicate cycles of CNC grooving. Always ensure high-quality coolant is used.

© Technical Content by cnchome-beyond.com - Japan Tooling Excellence

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.