Description
The M1B23 1-inch bonding fastener adds a male threaded stud to a panel or assembly through adhesive mounting or in-mold placement. This configuration combines a 23 mm round baseplate with a 1/4-20 threaded post that is one inch long. The zinc-plated steel construction suits general fabrication where a permanent attachment point is needed without drilling or welding through the finished surface.
M1B23 1-Inch Bonding Fastener Applications
The round base spreads the attachment area around the threaded post and gives structural adhesive a broad interface with the substrate. It can be bonded to properly prepared metal, plastic, composite, and other compatible surfaces. Common uses include mounting brackets, covers, signs, trim, wiring hardware, equipment panels, and interior components where access is available from only one side.
Adhesive mounting avoids a through-hole and keeps the opposite face free of a bolt head or weld mark. It is also useful on thin sheet, coated parts, and dissimilar-material assemblies where conventional fastening would complicate fabrication. The finished connection accepts standard 1/4-20 hardware, allowing the attached component to be installed or removed while the bonded base remains in place.
Bonding and Placement
Select an adhesive that is compatible with both the baseplate finish and the target substrate. Clean and prepare both surfaces according to the adhesive instructions, then apply enough material to wet the base and fill the perforated interface without trapping large voids. Place the fastener in the required orientation and hold it steady while the adhesive develops handling strength.
Use a fixture when stud alignment is important or when multiple fasteners must match a hole pattern. Avoid loading the post until the adhesive has reached the cure level required by the assembly process. Final performance depends on adhesive selection, surface preparation, bondline control, cure conditions, base contact, and the loads applied to the stud. A representative test is the best way to qualify the complete joint.
M1B23 1-Inch Bonding Fastener Specifications
| Property | Value |
|---|---|
| SKU | CCH-M1B23-1/4-20X1 |
| Brand | Specialinsert |
| Fastener type | Male threaded bonding stud |
| Base shape | 23 mm round |
| Thread | 1/4-20 |
| Post length | 1 inch |
| Material | Zinc-plated steel |
| Base style | Standard open bonding base |
| Installation | Adhesive bonded or embedded during molding |
This size works when the assembly drawing calls for a compact round base and a one-inch 1/4-20 stud. Confirm clearance around the base, available bond area, thread engagement, and service loads before release. For alternate base shapes, post lengths, and female styles, browse Chemical Concepts bonding fasteners.
Additional family dimensions and installation options are available from Specialinsert’s fastening resources. Compare the selected part with the current family drawing and qualify the adhesive joint on the actual substrate before moving into production.
Need Help?
Need help matching a bonding fastener to an adhesive, substrate, and hardware pattern? Call (800) 220-1966 or email [email protected].
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