GRS 004-995 GraverMax G8® – Professional Pneumatic Engraving System

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The GRS 004-995 GraverMax G8® is a professional pneumatic engraving system designed for precise, controlled hand engraving, jewelry engraving, stone setting, relief engraving, and detailed metalworking. With an expanded operating range of 400 to 8,000 strokes per minute, the GraverMax G8 provides smooth, responsive control for everything from delicate engraving to more demanding work. The GraverMax G8 builds on the proven GRS GraverMax platform with upgraded controls, improved ergonomics, and enhanced pneumatic performance. A throttle-bias adjustment valve lets the engraver tailor the response of the handpiece throttle, while the advanced valve pulse unit operates with virtually no noise or vibration. The system provides connections for two impact handpieces plus an auxiliary air connection for other compatible pneumatic tools, including the GRS Ultra 850 Rotary Handpiece. Handpieces and tools are sold separately. Features & Benefits 400–8,000 strokes per minute – Provides a broad impact-speed range for fine detail, shading, engraving, and heavier work. Throttle-bias adjustment – Allows the response of the handpiece throttle to be customized to the engraver's preference. Dual-stage precision air regulation – Provides accurate control over operating air pressure. Advanced valve pulse unit – Designed for smooth operation with virtually no noise or vibration. Two handpiece outlets – Keep two compatible impact handpieces connected and switch between them as needed. Auxiliary air outlet – Connect compatible pneumatic rotary tools and other air-powered equipment. Front-mounted air pressure adjustment – Makes pressure changes convenient while working at the engraving bench. Quick Connect air couplings – Simplify air-line connections and setup. Rear-mounted throttle connection – Provides a clean, organized system configuration. Standard GRS handpiece compatible – Works with GRS Standard Handpieces for a flexible engraving setup. Airtact compatible – Can be upgraded for GRS Airtact hand and foot control switching with the appropriate accessories. Professional GRS construction – Designed for demanding jewelry, engraving, and stone-setting applications. Made in the USA – Manufactured by GRS in the United States. Key Specifications Brand: GRS Model: GraverMax G8® GRS Part Number: 004-995 MPN: 004-995 UPC: 196943900993 Product Type: Pneumatic Engraving System Impact Speed Range: 400–8,000 strokes per minute Handpiece Outlets: 2 Auxiliary Air Outlet: 1 Air Regulation: Dual-stage precision regulation Throttle Adjustment: Throttle-bias adjustment valve Air Connections: Quick Connect Compatible Handpieces: Standard GRS Handpieces Airtact Compatible: Yes, with appropriate Airtact components Handpieces Included: No Engraving Tools Included: No Made In: USA The 004-995 GraverMax G8 specifications and features are based on the current Micro-Tools listing and GRS documentation. Precision Control for Professional Engraving The GraverMax G8 is designed to give engravers precise control over handpiece performance throughout an expanded range of impact speeds. The 400–8,000 SPM operating range makes the system versatile enough for delicate engraving while providing the responsiveness needed for more powerful applications. The adjustable throttle bias is particularly useful for tailoring the feel of the handpiece to individual preferences and engraving techniques. Two Handpiece Connections The GraverMax G8 features two impact handpiece connections, allowing engravers to keep two compatible GRS handpieces connected to the system. This makes it easy to switch between different handpieces for different applications without repeatedly disconnecting air lines. Compatible GRS handpieces include a wide selection of Standard Handpieces, allowing the engraver to choose the combination of size, power, and grip that best suits their work. Auxiliary Air Connection An additional auxiliary air outlet provides a connection for compatible pneumatic tools, including the GRS Ultra 850 Rotary Handpiece. This allows the GraverMax G8 to serve as a versatile air source for both impact engraving and compatible rotary applications. Airtact Compatibility The GraverMax G8 is Airtact compatible, allowing the system to be configured with GRS Airtact components for hand and foot control switching. Airtact provides an alternative method of controlling handpiece power directly through the hand control system, giving engravers additional flexibility in how they operate their equipment. Airtact components are sold separately. Ideal Applications The GRS 004-995 GraverMax G8 is ideal for: Professional hand engraving Jewelry engraving Stone setting Fine engraving Relief engraving Deep engraving Decorative metalwork Goldsmithing Silversmithing Precision metalworking Engraving education and training What's Included 1 GRS 004-995 GraverMax G8 engraving system Handpieces, engraving tools, and Airtact components are sold separately. Air Requirements The GraverMax G8 requires clean, dry, oil-free compressed air. GRS recommends an oil-free compressor for this system. If an oil-type compressor is used, GRS specifies that an appropriate coalescing oil-removal filter must be installed in the air supply line. Oil or water contamination is not covered by the GRS warranty. Shipping Information This item must ship via UPS. The GraverMax G8 is a high-value precision engraving system. Micro-Tools notes that UPS shipping is required. If Priority Mail appears as an option during checkout, selecting it can delay the order while the shipping method is corrected. Frequently Asked Questions What is the GRS 004-995? The 004-995 is the GRS GraverMax G8, a professional pneumatic engraving system designed to power compatible GRS impact handpieces for engraving, stone setting, and precision metalworking. What is the stroke range of the GraverMax G8? The GraverMax G8 operates from 400 to 8,000 strokes per minute, providing a broad range for different engraving techniques and applications. How many handpieces can be connected? The GraverMax G8 has two impact handpiece outlets, allowing two compatible handpieces to remain connected to the system. Can I use a rotary handpiece with the GraverMax G8? Yes. The system has an auxiliary air connection for compatible pneumatic air tools, including the GRS Ultra 850 Rotary Handpiece. Is the GraverMax G8 Airtact compatible? Yes. The GraverMax G8 is Airtact compatible, although Airtact components are sold separately. Does the 004-995 include a handpiece? No. The GraverMax G8 control unit is sold separately from the handpieces and engraving tools. This allows the engraver to select the GRS handpiece best suited to their work. What type of compressor does the GraverMax G8 require? The GraverMax G8 requires clean, dry, oil-free compressed air. An oil-free compressor is recommended. If an oil-type compressor is used, an appropriate coalescing oil-removal filter is required. What is the difference between the GraverMax G8 and the older GraverMax? The G8 is an upgraded version of the previous GraverMax system, with updated controls, improved ergonomics, enhanced pneumatic performance, and an expanded operating range. Micro-Tools identifies the G8 as the successor to the previous 004-980 GraverMax. Is the GRS GraverMax G8 made in the USA? Yes. Micro-Tools identifies the 004-995 GraverMax G8 as Made in the United States. SHIPPING METHOD: This item must ship via UPS. During the checkout process you may be offered Priority Mail but this item must ship via UPS. If you select Priority Mail, it will only slow down the process as we will have to change the shipping method after the fact and charge the difference. We have learned the hard way to not ship fragile or high value items via Priority Mail. , SKU: 004-995 UPC: 196943900993 Brand: GRS MPN: 004-995 Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided. E045C^ Show more