Automotive fasteners & vehicle components · Featured components
NVH bush inner metals & inner sleeves
Critical cold-formed inserts for rubber-to-metal NVH bushes — flared-flange inner metals and bulged, serrated inner sleeves in heat-treated boron steel, with a bonding-ready surface.
2 product types · 6 models in 3D · solid and cut-away views
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Rubber-to-metal bonding inserts
An NVH bush isolates vibration between a suspension arm, subframe or engine mount and the body. Rubber is moulded and chemically bonded to a metal inner metal or inner sleeve; the outer shell is pressed into the arm or bracket.
- The insert carries the bolt clamp load — so it is cold formed in boron steel and heat treated (around 30–36 HRC).
- Its shape locks the rubber: a flared conical flange, a bulged barrel, end slots or serrated end faces stop the rubber turning or sliding.
- The surface is prepared for bonding — steel-grit blasted or zinc phosphated — and kept free of oil so the bonding agent holds.
- Ends and bores are held to tight tolerances so the bush seats square and the bolt passes freely.
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