Attachment Link Attachment Number A-1 Attachment Type Tab Material Stainless Steel Chain Overall Width 0.717 in Chain Number 40 Roller Diameter 5/16 in Finish Plain Pitch 1/2 in Link Type Attachment Application Conveyors Centerline to Attachment End 0.701 in Centerline to Hole Center 0.5 in Chain Construction Riveted Pin Extended Pin Diameter Not Applicable Features Greater Fatigue Strength Higher Horsepower Ratings Longer Wear Life Heavy Series No Inside Width 5/16 in