Counterbore Bungs

Billet Proof® Counterbored Bung - For a 3/8" Socket Head Cap Screw - Stainless Steel - Made In The USA

Billet Proof® Counterbore Bung, ALUMINUM - for use with 3/8" Socket Head Cap Screw - Made In The USA

Billet Proof® Counterbored Bung for use with a 5/16" Socket Head Cap Screw, Aluminum - Made In The USA

Billet Proof® Counterbore Bung - For 5/16" Socket Head Cap Screw - Mild Steel - Made In The USA

Billet Proof® 1" Counterbored Bung, SHORT - Counterbored for a 1/2" Socket Head Cap Screw

Billet Proof® 1.5" Long Counterbore Bung for 1/2" Socket Head Cap Screw

Billet Proof® Long Counterbored Bung, STEEL, for a 3/8" Socket Head Cap Screws

Billet Proof® 3/4" Long, Counterbored Bung for 1/4" Socket Head Cap Screw, STEEL - Sold Individually - Made In The USA

Billet Proof® "Tiny", 1/2" Long, Counterbore Bung for a 1/4" Socket Head Cap Screw, Sold Individually - Made In The USA

Billet Proof® Counterbore Bung - For 5/16" Socket Head Cap Screw - Stainless Steel - Made In The USA

Billet Proof® Counterbore Bung - For a 3/8" Socket Head Cap Screw - Mild Steel - Made In The USA