MGEHR Grooving and Cut-off Tool
Small Craftsman (Shandong) Machine & Tools Co., Ltd. is one of the leading manufacturers and suppliers of mgehr grooving and cut-off tool in China. If you're going to wholesale bulk advanced mgehr grooving and cut-off tool, welcome to get quotation from our factory. All customized products are with high quality and competitive price.
Products Description
This MGEHR Grooving Tool Holder is built with a 1060°C high-temperature quenching process that puts the hardness right where you need it-HRC 42–46. That heat treatment gives you the overall rigidity to take impact without flinching and the bending resistance to hold its shape under load. Run it day after day in tough conditions; this holder resists deformation and chipping that would trash lesser tools. It just keeps cutting, extending service life well beyond what you'd expect from standard holders.
The body is 40CrMo alloy steel, a material that delivers real strength and the toughness to take abuse. Surface gets black oxide treatment for anti-rust protection. In oily, humid shop environments where other tools corrode into useless lumps, this External Grooving Tool Holder keeps performing. It's the kind of durability that makes economic sense-you're not replacing holders every few months due to rust or fatigue.
The MGEHR Grooving and Cut-off Tool is built for precise grooving and parting-off operations. It offers high rigidity and efficient chip removal, making it ideal for CNC lathe applications.

Takes standard MGMN series grooving inserts across various groove widths. When the cutting edge wears down, you swap the insert and keep going. The holder stays in the machine. That's the indexable advantage-this External Parting Tool Holder approach means you replace what wears, keep what doesn't, and your long-term consumable costs drop significantly compared to brazed or solid tools.
The screw-type locking structure uses national standard clamping screws and hex keys-parts you can actually find when you need them. Insert clamps secure with precise positioning. No displacement, no wobble during the cut. Your groove cross-sections come out flat and accurate, which means less secondary work and better parts off the machine.
Size range covers what you actually need-various shank sizes and groove width specifications to match different CNC lathe models. Cut-off operations, grooving, undercutting-this Indexable Grooving Holder handles the range. One properly selected set covers multiple machining needs without buying dedicated tools for every groove width.

Accessories come complete with national standard locking screws and hex keys for installation and adjustment. No hunting for proprietary hardware. The high-grade PE outer box keeps everything organized, makes transport easy, and protects against the impacts that happen in real shop environments.
Application range is wide. This holder machines steel, stainless, cast iron-pretty much whatever comes through the door. Hardware processing, mechanical repair, batch production-it fits the scenarios where you need reliable grooving and parting. For cut-off and grooving operations, this is the cost-effective choice that doesn't sacrifice performance for price.
| Type | (Size)mm | Insert | Screw | Wrench | ||||||
| W | b | h | L | h1 | f | Tmax | ||||
| MGEHR/L1616-2 | 2 | 16 | 16 | 100 | 16 | 16 | 16 | MGMN200 | M5×16 | L3.0 |
| MGEHR/L2020-2 | 2 | 20 | 20 | 125 | 20 | 20 | 16 | L4.0 | ||
| MGEHR/L1616-3 | 3 | 16 | 16 | 100 | 16 | 16 | 20 | MGMN300 MGGN300 MRMN300 |
M5×16 | L3.0 |
| MGEHR/L2020-3 | 3 | 20 | 20 | 125 | 20 | 20 | 20 | L4.0 | ||
| MGEHR/L2525-3 | 3 | 25 | 25 | 150 | 25 | 25 | 20 | |||
| MGEHR/L3225-3 | 4 | 25 | 32 | 170 | 32 | 25 | 20 | |||
| MGEHR/L1616-4 | 4 | 16 | 16 | 100 | 16 | 16 | 20 | MGMN400 MGGN400 MRMN400 |
M5×16 | L3.0 |
| MGEHR/L2020-4 | 4 | 20 | 20 | 125 | 20 | 20 | 20 | L4.0 | ||
| MGEHR/L2525-4 | 4 | 25 | 25 | 150 | 25 | 25 | 20 | |||
| MGEHR/L3232-4 | 4 | 32 | 32 | 170 | 32 | 25 | 20 | |||
| MGEHR/L2020-5 | 5 | 20 | 20 | 125 | 20 | 20 | 25 | MGMN500 MGGN500 MRMN500 |
M5×16 | L4.0 |
| MGEHR/L2525-5 | 5 | 25 | 25 | 150 | 25 | 25 | 25 | M6×18 | L5.0 | |
| MGEHR/L3232-5 | 5 | 32 | 32 | 170 | 32 | 25 | 25 | |||
| MGEHR/L2525-6 | 6 | 25 | 25 | 150 | 25 | 25 | 25 | MGMN600 MGGN600 MRMN600 |
M6×18 | L5.0 |
| MGEHR/L3232-6 | 6 | 32 | 32 | 170 | 32 | 25 | 25 | |||

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