Zhuzhou Grewin Tungsten Carbide Tools Co., Ltd

06-10 

One Call for All Tool Holders: GREWIN‘s Complete Range for Turning, Milling, Drilling & Boring

In the world of CNC machining and metalworking, the connection between the machine spindle and the cutting tool is just as critical as the tool itself. This connection is made possible by Tool Holders—precision adapters that secure cutting tools while providing the rigidity, accuracy, and repeatability required for high-quality machining -2. Whether you are turning, milling, drilling, or boring, the right Tool Holder can dramatically improve surface finish, extend tool life, and increase overall productivity. However, sourcing the correct Tool Holders for different applications—from ER collet chucks and hydraulic holders to shrink fit systems and tapping chucks—often requires dealing with multiple suppliers, each offering limited specifications. That is why GrewinTools has developed a Complete Range of Tool Holders, covering all types, all specifications, and all machining scenarios. In this comprehensive guide, we will explore the world of Tool Holders, including their types, taper standards, application areas, and how GREWIN simplifies your tooling procurement with a one-call solution.

06-04 

GREWIN Carbide Rotary Burrs: 5 Tooth Styles (A/C/F/G/L) for Carbon Steel, Alloy Steel & Stainless Steel up to HRC55

In the world of metalworking and CNC machining, surface finishing is often the bottleneck that separates good parts from great parts. Whether you are working in aerospace, shipbuilding, automotive manufacturing, or general machinery, the quality of your deburring and polishing operations directly impacts product performance and customer satisfaction. Introducing the GREWIN Carbide Rotary Burrs — a comprehensive range of hard alloy rotary files engineered for metalworking professionals who demand efficiency, precision, and a safer work environment. The GREWIN Carbide Rotary Burrs deliver dust‑free operation, exceptional material removal rates, and consistent performance across a wide range of materials including carbon steel, alloy steel, and stainless steel up to HRC55. In this comprehensive guide, we will explore everything you need to know about the GREWIN Carbide Rotary Burrs, including their key advantages, complete tooth style options, application areas, and best practices for achieving optimal results in your metal finishing operations.

05-28 

GREWIN Pipe Thread Milling Cutter: The Versatile Tool for Hydraulic, Oil & Gas, and Aerospace Applications

The GREWIN Pipe Thread Milling Cutter features a PVD coating that provides excellent lubricity, high hardness, and outstanding wear resistance. Available in single-tooth, three-tooth, and full-tooth configurations, this #ThreadMillingCutter is designed to handle stainless steel, titanium alloy, die steel, hardened steel (<52HRC), superalloy, and carbon steel. Whether you are machining hydraulic pipe fittings, plumbing pipes, oil & gas pipelines, valve components, pressure vessels, construction machinery, aerospace parts, or precision molds, the GREWIN Pipe Thread Milling Cutter delivers stable cutting performance and long service life. As a flagship product of #GrewinTools, this #VersatileTool reduces tool change frequency and inventory costs while maintaining high thread precision.

05-22 

GREWIN SNHT13T6 Milling Insert: Engineered for High-Stability Rough Face Milling of WCB Cast Iron

05-09 

Join GrewinTools at METALLOOBRABOTKA 2026: Your Trusted Partner in Metalworking Solutions

Join GrewinTools at METALLOOBRABOTKA 2026: Your Trusted Partner in Metalworking Solutions From May 12 to May 15, 2026, Moscow will host the 26th International Exhibition "Equipment, Instruments and Tools for the Metalworking Industry" — METALLOOBRABOTKA 2026. This prestigious event, ranking among the world's top ten leading machine tool trade shows, is the largest metalworking exhibition in Eastern Europe and the CIS region -3. GrewinTools, a company specializing in metalworking cutting tools and CNC accessories, cordially invites you to visit our booth at METALLOOBRABOTKA 2026 to discover our comprehensive solutions in person.

04-30 

GREWIN EM Series High Performance End Mills: Master Deep Slotting and Mold Cavity Machining with Superior Chip Evacuation

In the competitive world of precision metalworking, selecting the right #EMSeries #EndMills can be the difference between efficient production and costly downtime. The GREWIN EM Series High Performance End Mills have been specifically engineered to address the most common challenges faced by machinists daily: chip evacuation in deep cavities, vibration during mold machining, and the need for versatile tools that perform consistently across carbon steel, mild steel, and stainless steel

04-21 

GREWIN TOOLS Invites You to CCMT Shanghai 2026: Experience Global Cemented Carbide Excellence

For more than two decades, GrewinTools has stood as a trusted global expert in the field of cemented carbide solutions, serving the CNC machining and metalworking industries with precision-engineered cutting tools and accessories. Now, we are excited to announce our participation in CCMT Shanghai 2026 — one of China's most prestigious machine tool exhibitions. We warmly invite all industry professionals, partners, and potential customers to visit us at Booth W4-B404 and discover firsthand how GrewinTools continues to deliver innovation, quality, and value in cemented carbide technology.

04-16 

Why the GREWIN XOM(H)T Square Shoulder Milling Cutter Outperforms Solid Carbide End Mills

In the competitive world of CNC machining and metalworking, manufacturers are constantly seeking ways to reduce cycle times and lower tooling costs. For years, solid carbide end mills have been the default choice for Square Shoulder Milling operations in the 8-16mm diameter range. But what if you could achieve 3-4x higher feed rates while significantly reducing your cost per part? The answer is the GREWIN XOM(H)T Square Shoulder Milling Cutter—a high-efficiency indexable milling solution designed to replace solid carbide end mills for roughing, grooving, and heavy-duty milling applications. In this comprehensive guide, we will explore everything you need to know about the GREWIN XOM(H)T Square Shoulder Milling Cutter, including its key advantages over solid carbide tools, performance characteristics, application guidelines, and best practices for maximizing productivity in your CNC operations.

04-09 

Master Deep Cavity Threading with the Anti-Vibration Internal Coolant Tool Holder: The Ultimate Solution for Trapezoidal Thread Machining

In the demanding world of CNC machining and metalworking, few operations are as challenging as deep cavity internal threading. When machining components for heavy machinery and hydraulic systems, machinists frequently struggle with a persistent enemy: vibration. Chatter not only compromises surface finish and thread accuracy but also leads to premature tool failure, increased scrap rates, and frustrating production delays. The solution to these common frustrations is the Anti-Vibration Internal Coolant Tool Holder from GrewinTools. Engineered specifically for demanding deep cavity machining environments, this Anti-Vibration Internal Coolant Tool Holder combines a solid tungsten carbide construction with an internal coolant delivery system and a precision-engineered 35VNR16.0TR carbide insert featuring a PVD TiAlN coating. In this comprehensive guide, we will explore everything you need to know about the Anti-Vibration Internal Coolant Tool Holder, including its design features, technical specifications, application guidelines, and best practices for achieving optimal results in your CNC turning operations.

04-01 

Why the GREWIN BT40-ER COLLET CHUCK Is Essential for Your CNC Machining Center

In the world of CNC machining, the toolholder is just as important as the cutting tool itself. A high-quality toolholder ensures precision, stability, and repeatability—factors that directly impact surface finish, tool life, and overall productivity. Among the most popular and versatile toolholding solutions available today is the GREWIN BT40-ER COLLET CHUCK. Designed for machine tools with BT40 spindles, this collet chuck combines the rigidity of the BT taper with the flexibility of the ER collet system. Whether you are performing milling, drilling, or tapping operations, the GREWIN BT40-ER COLLET CHUCK delivers the clamping force, runout accuracy, and ease of use that modern machine shops demand. In this article, we will explore the key features, proper usage, maintenance practices, and performance advantages of the GREWIN BT40-ER COLLET CHUCK.