Mold Cooling 300 / 500 Series Male Plugs

These male plugs are U.S. made and are of the highest quality. They are manufactured to be of the highest quality ensuring a long life, less downtime, and more profit!


  • Manufactured from Stainless and hardened to 50-52 Rc
  • Being made of hardened Stainless, these male plugs will not dent or dimple where the balls seat
  • Our Stainless plugs have male pipe threads, this allows for recessed mounting, preventing damage to male plugs during mold change out and storeage


300 Series
1/8-27 NPT
1/4-18 NPT
3/8-18 NPT
1/2-14 NPT
500 Series
3/8-18 NPT
1/2-14 NPT