4-prong grease lubricated coupler with non-return ball

Material: Steel MOQ: 1000 Size: 15mm

Delivery time: 15-30 days Usage: mechanical lubrication, galvanized

Explosion-proof and no oil leakage Casting is more durable, special material forging High-pressure wear-resistant and explosion-proof, all materials use 10*1 threaded interface, suitable for 90% of products

Carbon steel material, more durable, four-claw flat nozzle, tightly bite the oil injection hole, standard thread, good self-locking

Bold and thickened, efficient oil output, durable, no oil leakage, long service life