Cal-Royal DPSTRK Solid Brass D...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$20.41
Cal-Royal Cal-Royal DPSTRK Dustproof Strike CAL-DPSTRK

Cal-Royal DPSTRK Solid Brass Dustproof Strike for Flushbolts

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Model: DPSTRK1-US26
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$20.41
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Cal-Royal DPSTRK Solid Brass Dustproof Strike for Flushbolts

The Cal-Royal DPSTRK Dustproof Strike is a solid brass floor strike engineered for use with all Cal-Royal automatic, self-latching, and manual flushbolts. Featuring a plate dimension of 1-3/8" wide x 2-7/8" long x 1/8" thick, this strike delivers calibrated spring tension for positive closing while eliminating binding. Conforming to ANSI/BHMA 156.16 L14011, it's built to meet commercial door hardware standards for reliable, long-term performance.

Key Features

  • Plate Dimensions: 1-3/8" wide x 2-7/8" long x 1/8" thick, sized for precise floor-mounted installation beneath flushbolt-equipped doors.
  • Solid Brass Construction: Durable solid brass material provides long-lasting performance and resistance to wear in commercial door applications.
  • Calibrated Spring Tension: Spring tension is calibrated for positive closing action, eliminating binding for smoother flushbolt operation.
  • Lockable Up Position: Can be locked in the up position, allowing flexibility for maintenance, cleaning, or temporary door configurations.
  • Universal Flushbolt Compatibility: Designed for use with all Cal-Royal automatic, self-latching, and manual flushbolts for broad application flexibility.
  • ANSI/BHMA Compliance: Conforms to ANSI/BHMA 156.16 L14011 standards, supporting specification requirements in commercial door hardware projects.

Certifications & Compliance

  • ANSI/BHMA 156.16 L14011

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Product Subgroup: Dust Proof Strikes
  • Product Type: Dust Proof Strikes
  • Subcategory: Door Strikes
  • Commercial/Residential: Commercial
  • Product Category: Door Trim and Accessories
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Cal-Royal DPSTRK?

Cal-Royal DPSTRK dustproof strikes deliver professional-grade reliability with solid brass construction and calibrated spring tension for consistent, binding-free closing. Conforming to ANSI/BHMA 156.16 L14011, this strike is engineered for demanding commercial applications where dependable flushbolt performance is essential.

Product Specs

Product Group:
Door Trim and Accessories
Product Subgroup:
Dust Proof Strikes
Product Type:
Dust Proof Strikes
Subcategory:
Door Strikes
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Cal-Royal DPSTRK1-US26 – Frequently Asked Questions

1) What is a dustproof strike for, and do I need one with flush bolts on a pair of doors?
A dustproof strike is the floor-mounted receiver the bottom rod of a flush bolt drops into. Without one, the bolt drops into a bare hole in the floor that fills with dirt, grit and mop water until the bolt no longer seats. The Cal-Royal DPSTRK is a solid brass floor strike made to take the bottom bolt on Cal-Royal automatic, self-latching and manual flush bolts, with spring tension calibrated so the bolt closes positively instead of binding. If you are installing flush bolts on the inactive leaf of a pair, plan on one of these in the floor.
2) What size hole and plate do I need to prep in the floor for the Cal-Royal DPSTRK?
The DPSTRK plate is 1-3/8 inches wide by 2-7/8 inches long by 1/8 inch thick, so the mortise for the body goes inside that footprint and the plate sits flush on top. Lay the plate out under the inactive leaf where the bottom flush bolt lands, mark it, and cut. Check the floor covering first, because in a concrete slab with tile or terrazzo the plate dimension is what decides how much finished surface gets cut.
3) Does the Cal-Royal DPSTRK meet ANSI/BHMA for a commercial spec?
Conforms to ANSI/BHMA 156.16 L14011, which is the auxiliary hardware standard and the L14011 dustproof strike type. That is the line a spec writer or facilities buyer wants on the submittal for office, school, healthcare and government work, and it is what lets the strike stand in a commercial hardware set rather than a residential one.
4) My floor is out of level and the bolt does not seat right. Should I use an adjustable dustproof strike instead?
The DPSTRK is a fixed-height solid brass strike with calibrated spring tension, which is right when the floor prep is clean and the bolt lands where it should. Where the slab has settled, the threshold height varies, or you are retrofitting into an opening that was never right, the Trimco 3911 Series is an adjustable dust proof strike and gives you height to play with. On a Detex 50 Series surface vertical rod exit device, the bottom strike is the Detex 96B Strike Kit, matched to that device rather than to a flush bolt.
5) I have a surface vertical rod exit device, not flush bolts. Is this the right floor strike?
No. The DPSTRK is built around Cal-Royal automatic, self-latching and manual flush bolts. A surface vertical rod exit device uses the bottom strike the device manufacturer publishes for it, because the rod diameter and drop are matched to that device. For a Detex 50 Series SVR, that is the Detex 96B Strike Kit. Getting this wrong means cutting the floor twice.
6) What is the difference between the Cal-Royal DPSTRK dustproof strike and the Trimco 3911 adjustable dust proof strike?
Both are floor-mounted dust proof strikes that receive a bottom flushbolt or vertical rod bolt. The Cal-Royal DPSTRK is a solid brass strike with a 1-3/8 inch wide by 2-7/8 inch long by 1/8 inch thick plate, calibrated spring tension for positive closing without binding, and it can be locked in the up position for cleaning or maintenance; it conforms to ANSI/BHMA 156.16 L14011. The Trimco 3911 belongs to the 3911 Series and is an adjustable dust proof strike, so height is set at the opening rather than fixed by the plate. Choose the DPSTRK when the floor prep is flat and a fixed-depth brass strike suits, and the 3911 when the finished floor covering means the strike depth has to be dialed in after the door is hung.
7) Will the Cal-Royal DPSTRK work with flush bolts from another manufacturer?
Cal-Royal states the DPSTRK is for use with all Cal-Royal automatic, self-latching and manual flush bolts. On another brand's flush bolt, match the bottom bolt diameter and projection to the strike opening before you commit to cutting the floor. If the bolt drops cleanly into the plunger and the spring returns it, it works; if it is oversize or the drop is off center, you want the strike the bolt maker publishes for it.
8) Can the strike be held open so the flush bolt does not drop while we are working?
The DPSTRK can be locked in the up position, which holds the plunger clear so the bottom bolt will not seat. That is what you want when the inactive leaf has to stay swinging for a move-in, a floor cleaning cycle, or while a crew is running material through the opening, and it means nobody has to back the flush bolt out and reset it afterward.
9) Can I replace just the dustproof strike without pulling the flush bolts off the door?
Yes, the floor strike is an independent part. If the bolt drops but will not seat, or the plunger has stopped springing back, the strike is usually what failed and the flush bolts on the leaf stay where they are. Pull the old strike, check that the existing floor cut fits inside the 1-3/8 by 2-7/8 inch plate, and set the DPSTRK. Where the old plate was larger, you will be patching floor around it.
10) Is a Detex 96B strike kit an equivalent replacement for a Cal-Royal DPSTRK on a flushbolt pair?
They are not interchangeable by application. The Detex 96B Strike Kit is a bottom dust proof strike supplied for Detex 50 Series surface vertical rod exit devices, so it is matched to that device family. The Cal-Royal DPSTRK is a solid brass floor strike for all Cal-Royal automatic, self-latching, and manual flushbolts, conforming to ANSI/BHMA 156.16 L14011, and it locks in the up position so the opening can be swept or held open during maintenance. If the inactive leaf carries flushbolts rather than a vertical rod exit device, the DPSTRK is the part that matches the hardware already in the door.
11) Which dust proof strike should I specify when the finished floor height varies across a run of door pairs?
An adjustable strike handles floor variation without re-prepping: the Trimco 3911 Series is an adjustable dust proof strike, so the receiving height can be set per opening. The Cal-Royal DPSTRK is a fixed solid brass strike with a 1-3/8 inch by 2-7/8 inch by 1/8 inch plate and calibrated spring tension, which suits openings where the floor prep is consistent and the bolt drop is known. On a standardization package across a building, many specifiers run the fixed DPSTRK on the uniform floors and reserve the adjustable 3911 for the openings with carpet, tile, or transition changes.
12) For a commercial pair of doors, what are my options for a floor strike under the bottom flushbolt?
Three parts cover most commercial openings. The Cal-Royal DPSTRK is a solid brass fixed strike with a 1-3/8 inch by 2-7/8 inch plate, calibrated spring tension for binding-free closing, and ANSI/BHMA 156.16 L14011 conformance, available in US3 polished brass, US26 polished chrome, US26D satin chrome, and US10B antique bronze oiled to match the rest of the trim. The Trimco 3911 Series is an adjustable dust proof strike for openings where the receiving height needs to be set on site. The Detex 96B Strike Kit from the 90 Strike Series is the bottom strike for Detex 50 Series surface vertical rod exit devices. Match the strike to the bolt hardware in the door first, then to the floor condition.
13) What finishes does the Cal-Royal DPSTRK come in, and which one matches my existing door hardware?
Four finishes: US3 polished brass, US10B antique bronze oiled, US26 polished chrome, and US26D satin chrome. For a building already standardized on satin chrome levers and exit devices, US26D is the match; US26D and US3 cover most commercial and older brass-trimmed openings respectively. Since this sits in the floor of a traffic path, the finish takes shoe scuff, so most commercial jobs go satin rather than polished.
14) Is a solid brass dustproof strike worth it over a cheaper one in a high traffic floor?
The DPSTRK body is solid brass, which is the reason it survives in the floor: the plate takes cart wheels, foot traffic and mopping every day, and the spring inside has to keep returning the plunger after all of it. Brass will not rust in a wet floor the way a plated steel part does. In a warehouse, hospital corridor or school entry vestibule, the floor strike is usually the first part of the flush bolt assembly to fail, so material matters more here than it does on the bolt itself.
How fast can I get the Cal-Royal DPSTRK1-US26 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 Cal-Royal DPSTRK1-US26 come with a warranty?
Absolutely. The Cal-Royal DPSTRK1-US26 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 Cal-Royal DPSTRK1-US26?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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