Tungaloy WGE20 / WGE20R GH730 Grooving Inserts | PVD Coated Carbide for Steel & Stainless - BEYOND

Tungaloy WGE20 / WGE20R GH730 Grooving Inserts | PVD Coated Carbide for Steel & Stainless

$126.80 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

SIZE: WGE20 GH730

WGE20 GH730
WGE20R GH730

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Description

Tungaloy WGE20 / WGE20R GH730 Grooving Inserts

High-Stability PVD Carbide | Precision Grooving & Parting

"Which insert is most reliable for precision grooving in difficult-to-cut materials like stainless steel?"

The Tungaloy WGE20 and WGE20R in GH730 grade are high-precision grooving inserts designed for exceptional stability. Featuring a specialized PVD coating on a micro-grain carbide substrate, the GH730 grade provides superior resistance to notch wear and built-up edge, making it the industry standard for machining Stainless Steel and Heat-Resistant Alloys. Whether you require the neutral WGE20 or the right-handed WGE20R, these inserts feature a robust geometry that ensures excellent chip evacuation even in narrow 2mm grooves, maintaining workpiece integrity and tool longevity.

Model Code Identification

W
Double-Ended
G
Grooving
E
External
20
2.0mm Width
R
Right Hand*
GH730
PVD Grade

*R denotes Right-Hand orientation; Neutral models omit this letter.

GH730 Wear Resistance

The multi-layer PVD coating is optimized for toughness. It prevents fracture during interrupted grooving and provides a smooth surface for chip flow.

2mm Precision Edge

Ground with high accuracy to ensure precise groove widths and sharp corners, vital for hydraulic and automotive components.

Optimized Evacuation

The top-face geometry forces chips to curl and break quickly, preventing "chip nesting" which can lead to tool breakage.

Technical Data & Dimensions

ISO Model Width (Metric) Width (Inch) Corner Radius
WGE20 / WGE20R 2.0 mm 0.0787" 0.15 - 0.20 mm

Recommended Cutting Conditions (GH730)

Workpiece Material Speed (Vc m/min) Feed (f mm/rev)
Stainless Steel (304/316) 60 - 130 0.03 - 0.12
Heat Resistant Alloys 25 - 60 0.03 - 0.10

Compatible Tool Holders

Compatible with Tungaloy WGE Holder Series (JS/CF Type)

Browse Precision Grooving Holders

Primary Applications

  • Precision external grooving for seal rings.
  • Parting-off small diameter tubes and bars.
  • Machining difficult stainless steel medical components.
  • Automotive fuel system parts requiring narrow tolerances.

Equipment Compatibility

Universal fit for CNC lathes, multi-spindle machines, and Swiss-type turn-mill centers. Excellent performance on Mori Seiki, Okuma, and Citizen machines.

Tungaloy Grooving Grade Guide

Grade Substrate Best Use
GH730 PVD Carbide Stainless Steel & Superalloys.
T9125 CVD Carbide High-speed steel turning.
NS9530 Cermet Finishing / Mirror Gloss.

Partner with BEYOND Industrial

100% Genuine
Direct Tungaloy Source
Global Logistics
Fast Export via HK/CN
Expert Support
Technical Director Consultation

Customer Reviews

⭐⭐⭐⭐⭐ "Best for 316 Stainless" - Robert K., USA
"We've struggled with grooving 316 stainless for years. The GH730 grade from Tungaloy has significantly improved our tool life. No more edge chipping."

⭐⭐⭐⭐⭐ "Perfect Parting" - Stefan M., Germany
"The WGE20 neutral insert is very stable. Even with higher feed rates, the finish remains consistent. High-quality PVD coating."

⭐⭐⭐⭐ "Fast Shipping" - Hiroshi T., Japan
"Received genuine Tungaloy inserts quickly. The performance in Inconel was much better than our previous supplier."

Technical FAQ

Q: What is the difference between WGE20 and WGE20R?

A: WGE20 is a neutral insert, whereas WGE20R is right-handed. Choice depends on your holder and the direction of your lathe spindle.

Q: Can I use GH730 for steel?

A: Yes, GH730 is a versatile grade. While optimized for stainless and alloys, it performs excellently in alloy steels where toughness is required.

Pro Machining Tip: Coolant is Mandatory

When grooving stainless steel with **GH730**, ensure high-pressure coolant is directed at the cutting zone. This prevents thermal shock and keeps the PVD coating intact for maximum life. **BEYOND CNC** - Your Precision Partner.

© Authored by Beyond Li - CNC Technical Director

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:

  • For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
  • For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

The optimal cutting parameters vary depending on the workpiece hardness and operation type:

  • For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
  • For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
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.