This Bung M10 is 15mm long and is made of steel - Kollies Parts

WELD ON BUNGS : DMP Fasteners, Performance Parts Race Supply Shop

Bung Thread - Kollies Parts

Stainless Steel Machined NPT Flanged Weld Bung – Boyd Welding LLC

WELD ON BUNGS : DMP Fasteners, Performance Parts Race Supply Shop

Coped bungs - With 1/2 inch radius - Kollies Parts

This is a mild steel bung tapped through with a standard M10 x 1.5 thread. Ideal for creating a fixing point on your frame for mounting a fuel tank,

M10 Threaded Top Hat Bung

Universal Fab Parts – Old Bike Barn

Cap and Bung Assembly, Rear End or Weight Bar Style, Stainless Steel Bung

m10 x 1.25 mild steel metric threaded weld on mounting bung

Made in U.S.A We are the Manufacturer. High Quality CNC Machined in-house from 304 Stainless Steel Bar. See Chart Below for Sizing and Dimensions.,

Stainless Steel Machined NPT Flanged Weld Bung

Universal Fab Parts – Old Bike Barn

Threaded Weld Bung Steel & Aluminum Threaded Bungs – Lowbrow Customs