All aluminum caps and plugs from Red Head Brass are mode from rugged extruded 6061-T6 lightweight aluminum and hardcoated to MIL-A-8625 Type III, Class 1 to resist corrosion and abrasion.
All brass caps and plugs are made of Alloy C83600 ASTM B62 or C84400 ASTM B584 (QQ-C-390) except where noted.
Sizes are available 1" thru 6". Please contact us for pricing on sizes not listed.