D&D BUILDERS HARDWARE CO. - D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

D&D 8000K Knob Trim for ED-300 Exit Devices | Grade 2 Outside Trim

Professional knob trim for ED-300 series exit devices. Grade 2 quality with hardened steel tailpiece. Available in 4 functions for fire-rated applications.

8000K Series Knob Trim for ED-300 Exit Devices

Grade 2 Outside Trim with Multiple Functions for Fire and Non-Fire Rated Applications

Konb Trim for ED-300 series Exit Device - Out trim knob design for ED-300 series Exit Devices
  • Konb Trim for ED-300 series Exit Device - Out trim knob design for ED-300 series Exit Devices

Konb Trim for ED-300 series Exit Device

8000K

Out trim knob design forED-300 series Exit Devices

The knob design outside trim offers on the ED-300 series exit devices.

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The knob trim has the same appearance but with different inner structures and installing holes when the outside trim works with different exit device. Therefore, please advise the exit device you are going to offer on upon ordered.

Features
  • Non-handed Grade 2
  • Cylindrical body hardened steel heavy duty tailpiece
  • Available in 4 functions including entrance, storeroom, passage and dummy
  • Available for fire and non-fire rated rim and vertical rod exit devices
Specification
  • For 1-3/4" doors
  • Rose diameter 3"
  • Keyway: standard 6 pin "C" keyway.
  • Finish: architectural plated finish like US26D
  • Entrance function: Key retracts latchbolt, unlocks knob. ANSI function - 08.
  • Storeroom function: Key operates knob, otherwise always locked. ANSI function - 04.
  • Passage function: Knob always operable and free. ANSI function - 15.
  • Dummy function: Dummy knob. One sided. ANSI function - 10.
Applications
  • The appearance of out trim looks like the same, but the inner structure and installing holes will be different for diverse exit devices.
  • Please advise the cooperated exit device item number when you inquire and order out trims.
  • All trims and exit devices are ordered and packaged separately.
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Grade 1 Exit Devices similar to Cal-Royal 2200 & 2260 series - Grade 1 Exit Devices similar to Cal-Royal 2200 & 2260 series
Grade 1 Exit Devices similar to Cal-Royal 2200 & 2260 series
ED-300 series

The grade 1 exit device ED-300 series provides a UL certified solution to meet ADA standards...

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How Can You Expand Your Product Line with Compatible Exit Device Trim Solutions?

The 8000K series offers your distribution business a complete trim solution compatible with ED-300 exit devices in entrance, storeroom, passage, and dummy functions. With fire-rated and non-fire rated applications, you can serve diverse commercial building projects with a single reliable trim line. Contact us to discuss volume pricing and technical specifications that match your exit device inventory.

As a Taiwan-based professional manufacturer with comprehensive OEM/ODM capabilities, D&D Builders Hardware Co. produces the 8000K knob trim with precision metal processing techniques including stamping and CNC machining. The trim features architectural plated finishes like US26D and complies with ANSI function standards (08 for entrance, 04 for storeroom, 15 for passage, and 10 for dummy). Understanding that exit device compatibility is critical, each knob trim is manufactured with specific inner structures and installing holes tailored to different exit device models. Contact our technical team with your exit device item number to ensure proper trim selection and seamless integration for your building hardware projects.