News 

The U.S.-based Allied Bolt Products has recently released the new 1/4” x 4” hex lag screw with Permaseal™ washer. This product shows the following features:

-A hex lag screw with a conically shaped steel washer bonded to a similar shaped rubber-like piece which has a slightly smaller inside and outside diameter.
-Protects against leakage.
-Reduces chance of fastener coming loose due to vibration.
-Minimizes damage to mating surface.
-Washer is stamped from Grade 2 Steel.
-Rubber is cut from Style 40 EPDM sheet.
-Lag screws and steel washer are mechanically galvanized per ASTM Specification A153.