These zerk fittings are made of high-strength zinc-plated steel. The Grease Zerk Nipple mouth is flat and smooth, great for fastening. The thread is deeply, thread pitch more sturdy, it will not slippery when rotating.
These zerk fittings are made of high-strength zinc-plated steel. The Grease Zerk Nipple mouth is flat and smooth, great for fastening. The thread is deeply, thread pitch more sturdy, it will not slippery when rotating.