Sargent MD8610 Wide Stile Concealed Vertical Rod Exit Device - Metal Door
The Sargent MD8610 is a premier Grade 1 Concealed Vertical Rod (CVR) exit device specifically engineered for standard wide stile hollow metal doors. By housing the vertical rods within the door itself, the MD8610 provides maximum security against tampering and a clean, unobtrusive aesthetic. This heavy-duty panic bar is the perfect choice for high-traffic commercial environments, including hospitals, government buildings, and schools, where durability and architectural design must go hand-in-hand.
High-Security Latching and Life Safety
Designed for 84" (7'0") door heights, the Sargent MD8600 Series is certified to ANSI/BHMA A156.3 Grade 1 standards, ensuring it can withstand extreme use and abuse. This model provides secure two-point latching at the top and bottom of the frame for ultimate door control. It is UL10C Fire Rated (when ordered with the 12-prefix) and UL305 Panic Listed, making it a versatile solution for meeting strict life safety and fire codes. Additionally, the MD8610 is available with Hurricane-Resistant (HC) certifications for coastal installations.
Seamless Integration and Advanced Electronics
The MD8610 is designed for versatility, fitting standard 4-1/2" stiles on hollow metal doors. For high-performance security integration, this device supports several electric options, such as Remote Latch Retraction (56-), Request-to-Exit (55-), and Electric Dogging (58-). To ensure a simplified and reliable power connection, we recommend using the QC12 Electrolynx connector on the associated hinge for a "plug-and-play" electrical setup.
Key Product Features
- Concealed Vertical Rods: Rods are hidden inside the door for enhanced security and a sleek appearance.
- Wide Stile Design: Optimized for hollow metal doors with a 4-1/2" minimum stile width.
- Two-Point Security: Features a stainless steel top bolt and a mortised bottom strike for maximum resistance.
- Grade 1 Certified: Meets ANSI/BHMA A156.3 for superior longevity in high-traffic areas.
- Accessibility Options: Can be configured as a Less Bottom Rod (NB-) device to provide an obstacle-free threshold for carts and wheelchairs.
- Fire & Panic Rated: UL Listed for both fire-rated (12-) and panic egress applications.
Technical Specifications
| Feature | Details |
| Device Type | Concealed Vertical Rod (CVR) for Metal Doors |
| Door Height | Specified for 84" (7'0") openings |
| Minimum Stile | 4-1/2" (114mm) |
| Strikes | 650 Top Strike & 606 Bottom Strike (Panic and Fire Rated) |
| Dogging | Hex key dogging standard (Non-fire rated only) |
| Centerline | 41" from finished floor (Standard) |
| Mounting | Supplied standard with machine screws |
Ordering Information & Handing

To ensure a perfect fit, Sargent rails are factory-cut to size; please provide the exact door width upon order placement. Additionally, door handing information (LHRB or RHRB) is required to ensure the device and any associated trim are correctly configured for your opening. For doors thicker than 1-3/4", specify the dimensions and use the 31- prefix. For high-use areas where keys are preferred for daily dogging, consider the 16- cylinder dogging option.
| General - US Finishes | US32D - Satin Stainless Steel/ 630 or BSP - Black Suede Power Coat or US3 - Polished Brass or US4 - Satin Brass or US10 - Satin Bronze or US10BE - Oil Rub Bronze Equal |
| Exit Device Fire Rating | Non Rated Door or Fire Rated Door |
| Sargent Exit Device Rail Length | F - 36" Wide Door or J - 42" Wide Door or G - 48" Wide Door |
| Sargent Exit Device Prefixes | 43 - Flush End Cap or 53 - Latchbolt Monitor Switch – available with 55, 56, 58, AL options) or 55 - Signal Switch in Rail or 56 - Motorized Electric Latch Retraction (Minimum door width for narrow & wide stile is 28") or 58 - Electric Dogging or 59 - Electroguard Delay Egress (Not available with 16-, 53-, 55-, 56-, 58- Options) or HC - Hurricane Code (not available with 16, 28, 63, 66 functions) or WS - Windstorm Certified |
| Brand | Sargent |
| Series | Sargent - 80 Series |
| Exit Device Type | CVR Exit Device |
| Door Opening Width | 36 Inches, 42 Inches, 48 Inches |
| Door Height | 7'0" Dr Ht |
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