411 WORKS 1" Weld Bungs

The 411 WORKS 1" Weld Bungs are precision-machined fabrication components designed for custom automotive, motorsport, and general fabrication projects. Manufactured in-house in the USA on HAAS CNC machines, these bungs are available in either 6061 aluminum or 1018 steel to accommodate different fabrication requirements. Four thread options are available, including M6x1.0, M8x1.25, 1/4-20, and 5/16-18. Each 1" bung measures an actual 0.90" in diameter, giving fabricators a consistent, accurately machined component for custom mounting and welding applications. Two Material Options: Available in 6061 aluminum or 1018 steel to match different fabrication materials and applications. Four Thread Options: Choose from M6x1.0, M8x1.25, 1/4-20, or 5/16-18 threads. 0.90-Inch Actual Diameter: The 1" bung has a true outside diameter of 0.90" for accurate fabrication planning. CNC-Machined Construction: Precision machined in-house using HAAS CNC equipment for consistent dimensions and quality. Made in the USA: Manufactured in-house by 411 WORKS using materials sourced from North America. Available Material Options 6061 Aluminum 1018 Steel Available Thread Options M6x1.0 M8x1.25 1/4-20 5/16-18 What's Included (1) 411 WORKS 1" Weld Bung in selected material and thread configuration Vehicle Fitment Universal fabrication application Suitable for compatible custom automotive and motorsport fabrication projects Final compatibility depends on the mounting location, material, thread requirements, and intended application Specifications Brand: 411 WORKS Product Type: Weld Bung Material Options: 6061 Aluminum / 1018 Steel Outside Diameter: 0.90" Thread Options: M6x1.0 / M8x1.25 / 1/4-20 / 5/16-18 Manufacturing Process: CNC Machined CNC Equipment: HAAS Material Origin: North America Manufacturing Location: USA Fitment: Universal Spec Drawing Bung Spec Drawing Important Notes Sold individually. This is a universal fabrication component and is not vehicle specific. Select either 6061 aluminum or 1018 steel before ordering. Select the appropriate M6x1.0, M8x1.25, 1/4-20, or 5/16-18 thread configuration before ordering. The 1" product designation has an actual outside diameter of 0.90". Review the provided specification drawing before beginning fabrication. Verify dimensions, thread requirements, material compatibility, and mounting location before ordering. Welding and fabrication are required for installation. Use welding procedures appropriate for the selected aluminum or steel material. Professional fabrication is recommended for structural, suspension, steering, or other safety-critical applications. Why Choose 411 WORKS? 411 WORKS manufactures its fabrication components in-house using HAAS CNC equipment with an emphasis on precision, quality, and reliability. These weld bungs provide builders with a consistently machined mounting solution while offering a choice between 6061 aluminum and 1018 steel. With four available thread sizes and two material options, the 411 WORKS 1" Weld Bungs are a versatile component for custom automotive and motorsport fabrication projects.