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PDQ KT148 Heavy Duty Classroom Deadlock
Function Information:
- Lock or unlock by key from outside
- Turnpiece inside retracts deadbolt, but will not project it
- ANSI E1171
The PDQ KT148 is an institutional-grade Classroom Function Deadlock designed specifically for educational facilities, public buildings, and commercial spaces where life safety and controlled access are paramount. Engineered to provide a secondary layer of high-strength security, this heavy-duty deadbolt solves the unique challenge of securing a room from the outside while ensuring that occupants can always exit quickly in an emergency.
Constructed with a reinforced zinc diecast rose and a solid brass bolt, the KT Series is built to withstand the physical demands of high-traffic environments. Its US26D Satin Chrome finish provides a professional, architectural look that is both corrosion-resistant and durable.
ANSI E1171 Function Summary: Life-Safety Classroom Security
The ANSI E1171 (Classroom) function is a specialized security configuration designed to prevent unauthorized locking of a door from the inside while maintaining a clear path for egress.
- Exterior Operation: The deadbolt is projected (locked) or retracted (unlocked) only by a key from the outside.
- Interior Operation: The interior turnpiece can only retract the deadbolt; it cannot be used to project the bolt to lock the door.
- Security & Safety Logic: This prevents students or unauthorized individuals from locking a teacher or official out of a room. Simultaneously, it ensures that if the door is locked from the outside, an occupant inside can always turn the thumbturn to retract the bolt and exit immediately without needing a key.
Technical Specifications
| Feature | Details |
| Model | PDQ KT148 |
| Function | Classroom (ANSI E1171) |
| Deadbolt Throw | 1" (Brass Bolt with Case-Hardened Steel Roll Pins) |
| Backset | 2-3/4" Standard (2-3/8" available separately) |
| Door Thickness | 1-3/8" to 1-3/4" |
| Cylinder | 6-Pin Brass (Keyed to 5-Pins) |
| Keyway | SCC Standard (Schlage C Compatible) |
| Strike Size | 2-3/4" x 1-1/8" |
| Faceplate | 2-1/4" x 1-1/8" Square Corner |
| Compliance | Buy American Act; ANSI/BHMA Certified |
High-Security Solutions for Modern Facilities
The PDQ KT Series deadbolt is precision-engineered to address the specific vulnerabilities of commercial and institutional door openings:
- Anti-Saw Protection: The 1" throw brass bolt contains two concealed 1/4" case-hardened steel roll pins. These pins spin freely if an intruder attempts to saw through the deadbolt, effectively neutralizing the attack and keeping the door secure.
- Vandal-Resistant Housing: Featuring a reinforced zinc diecast rose and wrought brass scalp, the KT148 provides a high-strength anchor for the cylinder, protecting the internal mechanism against prying or wrenching.
- Flexible Installation: Designed to fit standard 161 door preparations (1-7/8" or 2-1/8" bores), making it an ideal "drop-in" solution for facility-wide security upgrades and retrofits.
- Seamless System Integration: While supplied with the industry-standard Schlage C (SCC) keyway, the KT Series can be keyed into most major manufacturers' systems, allowing you to maintain a single-key protocol across your entire property.
- Government & Municipal Compliance: Assembled in the USA, this hardware meets the strict domestic sourcing requirements for federal, state, and municipal contracts.
Order Lead Time: The US26D Satin Chrome finish is a standard stock item for fast shipping. For premium architectural finishes (US3, US4, US10B, US26), please allow a 3-5 day lead time plus shipping.
| Finish with BHMA code | 626 - US26D Satin Chrome or 613 - US10B Oil Rubbed Bronze or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 625 - US26 Polish Chrome |
| Brand | PDQ |
| Series | PDQ - KT Series |
| Deadlock Grade | Grade 1 - Hv Dty |
| Deadbolt Function | Single Cylinder w/Thumbturn |
| Cylinder Options | Single Cylinder |
| Backset | 2-3/4" Backset |
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