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ROCKWOOD OH1000 Series Heavy Duty Concealed
Material: Stainless steel;
Finishes: US32D;
Fastner:
Jamb: #12 x 11/2" FH WS or #12-24 x 1/2" FH MS
Door: #12-24 x 11/2" FH MS and 5/16" dia. sex bolt
Options:
- Single acting doors
- Non-handed
- Slide track design
- Recommended for medium traffic, medium weight doors
- Degree of opening fully adjustable and can be adapted to changing needs
- Heavy shock absorber spring provides compression before deadstop
- Multi-function unit is shipped as a stop. Can be converted to a hold open or friction in field. MF5012 KIT (Adapter kit) included
- Complete screw packet with thru-bolts for door, wood and machine screws for frame
- Torx® screws optional for security applications, but heavy-duty units should be considered for high-security applications
- Durable slider cam and shock block
- 110° maximum opening
- 3/4" square channel
- Stop function UL listed for fire door assemblies
- For pull side mounting or flush and rabbeted mounting on push side use angle jamb bracket adapter JB1000
ROCKWOOD OVERVIEW
Rockwood products are normally used on all types of institutional buildings, offices, retail, educational, detention, sports facilities, hotel and restaurant, and finer residences.
ENVIRONMENTAL MANAGEMENT
ASSA ABLOY is commited to protecting the quality of the environment as well as the health and safety of its employees, customers, and the community. Please see our Environmental Health and Safety Policy for details on how we are dedicated to this commitment.
RESOURCES & DOWNLOADS
Manufacturer Resources
Product Specs
- Product Group:
- Door Controls
- Product Subgroup:
- Overhead Stops and Holders
- Product Type:
- Overhead Stops and Holders - Concealed Mount
- Subcategory:
- Stops
- Commercial/Residential:
- Commercial
- Hang Type:
- Center Hung
- Product Model:
- OH1003M
- Product Category:
- Door Controls
- Product Substrate:
- Stainless Steel
- Department:
- Door Hardware
Rockwood ROC-OH1003M-US32D – Frequently Asked Questions
1) Is the Rockwood OH1003M handed, and does it work on a double-acting door?
Non-handed, so one unit covers left and right hand openings with no separate part to specify. It is for single acting doors only, mounted on a center hung door. A double-acting opening needs a different type of control.
2) Can the OH1003M be set up as a hold open instead of just a stop?
Yes. The multi-function unit ships configured as a stop and converts in the field to hold open or friction hold using the MF5012 adapter kit, which is included in the box. You don't order a separate holder model, and you don't have to decide the function before the hardware arrives.
3) What is the maximum opening angle, and can I limit it further?
Maximum opening is 110 degrees, and the degree of opening is fully adjustable, so you can dial the stop back to protect a wall return, adjacent casework, or a corridor clearance and change it later if the room use changes. A heavy shock absorber spring compresses before the deadstop so the door isn't slamming metal to metal at the stop point.
4) Is the Rockwood OH1003M approved for use on a fire rated door?
In the stop function, the unit is UL listed for fire door assemblies. Note that the listing covers the stop function specifically, so if you convert it to hold open with the included adapter kit, that hold-open arrangement is outside what the UL stop listing covers. On a rated opening, leave it as a stop.
5) Is this overhead stop heavy enough for a high traffic entrance?
The OH1003M is a standard duty unit recommended for medium traffic and medium weight doors, with a 3/4 inch square channel and a slide track design. For a high abuse entrance, a vestibule at a school, or a high-security application where the hardware gets attacked, step up to a heavy duty unit. In that class ZenSupply carries the Glynn-Johnson 100 Series and the Norton Rixson 1 Series Checkmate, both heavy duty concealed stops and holders, and the Sargent 690 heavy duty overhead concealed stop/holder.
6) What is the closest equivalent to the Rockwood OH1003M overhead stop from another manufacturer?
The OH1003M is a standard duty, non-handed, multi-function concealed overhead stop with a 110 degree maximum opening that ships as a stop and converts to hold open or friction in the field. The Sargent 1530 is the nearest match in the same role: it is a standard duty concealed mount door stop/holder also rated to a 110 degree opening and listed as ANSI Grade 1. Norton Rixson's 10-336 is another standard duty overhead stop with adjustable opening control and a Grade 1 listing. Either covers the same medium weight, medium traffic opening the OH1003M is recommended for.
7) The OH1003M is standard duty - what should I use on a heavy, high traffic opening instead?
The OH1003M is recommended for medium traffic, medium weight doors, and the description itself notes that heavy-duty units should be considered for high-security applications. For heavier service, the Glynn-Johnson 100 Series is a heavy duty concealed overhead holder and stop that is also multi-function and non-handed, the Norton Rixson 1 Series Checkmate is a heavy duty concealed stop and holder with the same 110 degree opening, and the Sargent 690 is a heavy duty overhead concealed stop/holder at ANSI Grade 1. Glynn-Johnson's 79 Series is the extra heavy duty option if the mounting is surface rather than concealed.
8) Which overhead stops look like substitutes for the OH1003M but mount differently?
The OH1003M is a concealed mount unit, so surface mounted series are not drop-in replacements even when the duty level matches. Glynn-Johnson's 70 Series and 79 Series are surface overhead holders and stops, and the Norton Rixson 10 Series Checkmate units 10-236 and 10-346 are surface stops and holders. These require exposed track and arm on the face of the door and frame rather than a mortised channel, which means different door and jamb prep. Stay with concealed units such as the Sargent 1530, ABH 1000A or Glynn-Johnson 410 Series if you are replacing the OH1003M in existing prep.
9) Should I use a surface overhead stop or a concealed one?
A surface mounted unit like the OH1003M mounts on the face of the door and jamb, so it installs without routing a pocket into the door or frame, which makes it the practical choice on retrofits and on existing doors already hung. A concealed unit sits inside a mortised pocket in the top rail and frame soffit for a cleaner look, but it needs that prep, so it suits new doors or a shop-prepped replacement. Concealed options ZenSupply stocks include the Sargent 1530 standard duty concealed stop/holder and the Glynn-Johnson 410 Series medium duty concealed stop.
10) What are the alternatives to the Rockwood OH1003M if I need a similar standard duty overhead stop from another brand?
For a comparable standard duty overhead stop, ZenSupply carries the Norton Rixson 10 Series standard duty overhead stop with adjustable opening control, which is a Grade 1 unit, and the Don-Jo 3024 concealed overhead door stop in satin stainless for 36 inch doors if you want the concealed style in the same finish family. The DORMA 711F is a standard duty concealed friction stop but it is sized for a 21 to 27 inch door opening, so it is not a substitute for a 36 inch leaf.
11) I only need a plain stop, not a hold open. Is there a simpler alternative to the OH1003M?
Yes. The OH1003M ships as a stop but includes the MF5012 adapter kit so it can be converted to hold open or friction later. If you never need that flexibility, the Don-Jo 3024 is a standard duty concealed overhead door stop in satin stainless for 36 inch doors, and the Don-Jo 3023 covers 30 inch doors. The ABH 1000 Series is a stop-only concealed mount unit as well, in heavy duty with a fire rating.
12) What are my options if I need the hold-open angle adjustable in the field rather than fixed?
The OH1003M has a fully adjustable degree of opening and is shipped as a stop with the MF5012 adapter kit so it can be converted to hold open or friction on site. Among comparable concealed units, the ABH 1000A Series offers field-adjustable opening control, and the ABH 1000RA and 1000SA Series are stop and holder units with adjustable opening control. Norton Rixson's 10-336 also provides adjustable opening control in a standard duty concealed format.
13) Is the OH1003M acceptable on a fire rated door, or should I specify something else?
The OH1003M stop function is UL listed for fire door assemblies, so in its as-shipped stop configuration it suits a rated opening. If your specification calls out the fire rating in the catalog description of the unit itself, the ABH 1000 Series is a heavy-duty concealed mount overhead door stop published with a fire rating. Confirm the hold-open conversion is acceptable for the opening before converting an OH1003M on a rated door.
14) For a facility standard, is there a Grade 1 alternative to the OH1003M in the same standard duty class?
The OH1003M is a stainless steel standard duty concealed overhead stop for commercial use. If your procurement spec requires an ANSI grade on the submittal, the Sargent 1530 concealed mount stop/holder and the Norton Rixson 10-336 overhead stop are both listed as Grade 1 in a standard duty class, and the Sargent 690 and Norton Rixson 1 Series carry Grade 1 in heavy duty concealed form for higher traffic wings of the same building.
15) What finish does the Rockwood OH1003M come in?
One finish: 630, satin stainless steel, listed by Rockwood as US32D. The body is stainless steel, which is why it holds up in exterior vestibules and wash-down areas better than a plated steel unit. If you are standardizing a building on satin stainless lever trim and push plates, this matches.
16) Is the Rockwood OH1003M suitable for a commercial building or is it a residential stop?
This is commercial door hardware. Rockwood overhead stops of this type are used on institutional buildings, offices, retail, educational and detention facilities, sports facilities, hotels and restaurants, and higher-end residences. For a multi-family or office corridor on medium traffic, the OH1003M is in its intended application.
17) What sits between the standard duty OH1003M and a heavy duty concealed stop?
If the opening is busier than medium traffic but does not warrant a heavy duty unit, the Glynn-Johnson 410 Series is a medium duty concealed overhead holder and stop, and the Sargent 1530 concealed stop/holder is also classed medium duty with a 110 degree opening matching the OH1003M's maximum. Both keep the concealed channel format so door and frame prep stays in the same family.
How fast can I get the Rockwood ROC-OH1003M-US32D delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Rockwood ROC-OH1003M-US32D come with a warranty?
Absolutely. The Rockwood ROC-OH1003M-US32D is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Rockwood ROC-OH1003M-US32D?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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installation tips, and troubleshooting. Contact Us
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