Corner Radius & Corner Chamfer End Mills, Mill Diameter (Decimal Inch): 0.3150 , Mill Diameter (mm): 8.00 , Number Of Flutes: 4 , Length of Cut (mm): 20.00 MPN:40018

This self sealing hex bolt measures at 1/4 inches in diameter with an overall length of 20 inches while made from stainless steel grade 18-8, guaranteeing longevity and durability; The thread is finer allowing for increased sealant penetration thus ensuring a more secure connection when using gaskets making it perfect for applications where leakage prevention is crucial such as chemical or water storage facilities. Its self-sealing feature eliminates the need for an extra O-ring hence being cost effective while offering resistance against vibrations or shocks in the long run; this attribute making it a popular choice among military aircraft industry amongst others.