LavaLock Female Stepped Bung 1/2" NPT threaded is great for any installation requiring a weld on STEEL bung. These are commonly used on oil pans, barbecue thermomter installation kits for LavaLock and Tel Tru, radiator overflow tanks, racing applications, home brew, plumbing and other industrial or automotive applications. It is flanged to weld evenly, threaded and bare steel. Also similar to Moroso 227737 with an added flange for quality welds withour any chance of warpage or thread damage. Check fitment before welding. Important information Legal Disclaimer Actual product packaging and materials may contain more, less and/or different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please also see our full disclaimer before use.