由其分销商提供的 Keystone 3480 的描述。
STANDOFF, 1/4 ROUND, FEMALE, THREADED 4-40, LENGTH .500, ALUM/CLEAR IRIDITE
Spacer/Standoff, Round Al 0.5In X 12.7Mm; Tipo De Distanciador:Redondo Hembra; Material Del Distanciador:Aluminio; Longitud Total:12.7Mm; Tamaño De Rosca - Métrica:-; Tamaño De Rosca - Imperial:4-40; Anchura Externa:6.35Mm |Keystone 3480
STANDOFF, ROUND FEMALE-FEMALE, 12.7MM; Standoff Material: Aluminium; Thread Size - Metric: -; Thread Size - Imperial: 4-40; Standoff Type: Round Female-Female; Body; Available until stocks are exhausted Alternative available