Elevator Parts Elevator Bucket Bolt Din 15237 Elevator Bucket Silo Bolts Conveyor Belt Fasteners AVAILABLE SHAPES & TYPES: J-TYPE, A-TYPE – SEAMLESS, WELDED, BOTTOMLESS, IN STEEL, STAINLESS STEEL & PLASTIC GRADES. WITH ROUND, CONCAVE, PLAIN RINGS & WITH HEX, LOCKNUTS MATERIAL – STEEL 4.6, 5.8, 8.8 & STAINLESS STEEL 304, 316, A2, A4