Description
This SpecialInsert M1 bonding stud fastener installs a 10-32 threaded stud onto a 38 mm round zinc plated steel baseplate, giving a shop a mounting point on any substrate without drilling through it first. The M1B38 base bonds flat to the panel surface, then the exposed stud accepts a nut or bracket the same way a welded or drilled fastener would.
Where This SpecialInsert M1 bonding stud fastener Gets Used
Fabricators use this stud on sheet metal, composite panels, and plastic housings where drilling or welding would compromise a finished surface, create a leak path, or introduce galvanic corrosion between dissimilar metals. Sign shops, cabinet builders, and equipment assemblers bond the baseplate to the back side of a panel, then run a bracket, standoff, or fitting off the 3/4 inch, 10-32 threaded stud. Marine outfitters and RV builders also spec this stud pattern for interior panel hardware where a visible bolt head on the exterior skin is not acceptable.
Why This SpecialInsert M1 bonding stud fastener Beats Drilling
Adhesive mounting spreads load across the full 38 mm baseplate instead of concentrating it at a single bolt hole, so the joint resists pull-through on thin gauge material. Because the stud never penetrates the substrate, it also skips the safety and cost issues that come with welding and avoids opening a corrosion path between mixed metals. Cure time depends on the adhesive a shop pairs with the baseplate: a fast-set acrylic or cyanoacrylate sets a light-duty mount in minutes, while a two-part epoxy or MMA structural adhesive takes longer to cure but carries higher load ratings for permanent installations. Matching adhesive chemistry to the substrate, whether that is bare steel, painted aluminum, or a composite panel, does more to determine final pull strength than the fastener geometry itself.
| Spec | Detail |
|---|---|
| Base shape | B38, 38 mm round |
| Stud thread | 10-32 |
| Stud length | 3/4 in |
| Material | Zinc plated steel |
| Back style | Open back (standard) |
| SKU | CCH-M1B38-10-32X3/4 |
Pair this stud with a compatible structural adhesive from the adhesive-bonded studs line. SpecialInsert documents mounting patterns and cure guidance at SpecialInsert.
Need Help?
Need help matching adhesive cure time to your install? Call (800) 220-1966 or email [email protected].
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