Hillman 10 Pcs Expansion Well Nuts (1/4"-20 x 3/4") | Rubber Well Nuts with Embedded Steel Thread Insert | Leakproof Blind Fasteners for Panels, Marine Hardware, Automotive & Equipment Mounting

Hillman 10 Pcs Expansion Well Nuts (1/4"-20 x 3/4") | Rubber Well Nuts with Embedded Steel Thread Insert | Leakproof Blind Fasteners for Panels, Marine Hardware, Automotive & Equipment Mounting

• EXPANSION NUTS FOR LEAKPROOF AND SEALED FASTENING: Rubber-body expansion nuts compress during installation to seal bolt holes and secure fasteners in place, helping prevent leaks where moisture protection is critical in panel assemblies.
• DESIGNED FOR BLIND HOLE AND CLOSED-END FASTENING: Expansion nuts install in blind holes where backside access is unavailable, making them useful for enclosed components, thin panels, and sealed installations in various applications.
• COMPATIBLE WITH 1/4 IN.-20 COARSE THREAD BOLTS AND SCREWS: Engineered for 1/4 in.-20 coarse thread bolts and screws for secure thread engagement and reliable fastening in mechanical assemblies and sealed mounting applications.
• RUBBER AND METAL CONSTRUCTION ABSORBS VIBRATION AND SEALS: Rubber body expands behind the surface when tightened, creating a secure mechanical grip while absorbing vibration and protecting surrounding material from damage. 10-piece pack.
• TRUSTED HILLMAN FASTENING SOLUTIONS: Hillman hardware products are engineered for consistent quality, dependable performance, and reliable fastening across construction, repair, and home improvement project applications.