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Sargent CLTB-4 Door Closer Thru Bolts | For 1-3/4" Doors (4-Pack)
The Sargent CLTB-4 is a specialized fastening kit designed for high-security, high-traffic door closer installations. Engineered specifically for 1-3/4" thick doors, these thru bolts provide a "sandwich-style" grip that passes entirely through the door leaf. This method is far superior to standard wood or machine screws, as it prevents the closer from ripping out of the door or loosening over time due to the extreme leverage exerted by heavy-duty closers.
Professional Grade Mounting & Durability
- Heavy-Duty Security: Provides an unshakeable mechanical bond, making it the preferred choice for schools, hospitals, and high-traffic commercial corridors.
- Precision Threading: Features a standard 12-24 machine screw thread, compatible with most Sargent surface-mounted closer bodies and various other commercial hardware brands.
- Optimized for Standard Doors: Sized specifically for the industry-standard 1-3/4" door thickness, ensuring the bolt sits flush without excessive protrusion.
- Complete Installation Kit: Sold as a package of 4 bolts, providing exactly what is needed to mount a single standard commercial door closer.
- Architectural Finishes: Available in three durable enamel finishes to match your existing hardware:
- EN (Aluminum Enamel): Best for silver/satin chrome hardware.
- EB (Bronze Enamel): Best for dark bronze/brown hardware.
- EAB (Brass Enamel): Best for gold/brass-tone hardware.
Technical Specifications
- Model Number: CLTB-4
- Part Type: Thru Bolt Fastener Kit
- Quantity: 4 Bolts per package
- Thread Pattern: 12-24
- Door Compatibility: 1-3/4" thick Wood or Metal doors
- Material: High-strength steel with protective Enamel finish
The Sargent CLTB-4 is a "must-have" for any facility using high-power door closers. Standard surface screws often fail in hollow metal doors because the thin skin cannot hold the threads under pressure; thru bolts eliminate this failure point entirely. For a clean, professional appearance, we recommend using a step-drill bit to ensure the holes are perfectly aligned from both sides of the door before tightening the bolts.
Installation Note: When installing, ensure the bolt heads are on the opposite side of the door from the closer body. Tighten them firmly but avoid over-torquing on wood doors to prevent "crushing" the door core. These bolts are compatible with almost all Sargent 1431 and 351 series closers.
| General - US Finishes | EN - Aluminum Enamel or EAB - Spray Gold or EB - Bronze Enamel |
| Brand | Sargent |
| Series | Sargent - 1430 Series, Sargent - 351 Series, Sargent - 281 Series |
| Closer Part Type | Thru Bolts |
| Thread Pattern | 12-24 |
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