Special railway quarter turn stud : 5MDSRSQ-28ZP

5MDSRSQ-28ZP is a stud with square head style (carré de Bern). 

5MDSRSQ-28ZP is only used for the railway application. 

The lenght n° 28 is for a total thickness of 16.10 and 16.70 mm. 

The stud with the square head can only made until the lenght number n°25. (20.30 to 20.90mm). 

Please see below the all reference of 5MDSRSQ-*ZP : 

5MDSRSQ-1ZP

5MDSRSQ-2ZP

5MDSRSQ-3ZP

5MDSRSQ-4ZP

5MDSRSQ-5ZP

5MDSRSQ-6ZP

5MDSRSQ-7ZP

5MDSRSQ-8ZP

5MDSRSQ-9ZP

5MDSRSQ-10ZP

5MDSRSQ-11ZP

5MDSRSQ-12ZP

5MDSRSQ-13ZP

5MDSRSQ-14ZP

5MDSRSQ-15ZP

5MDSRSQ-16ZP

5MDSRSQ-17ZP

5MDSRSQ-18ZP

5MDSRSQ-19ZP

5MDSRSQ-20ZP

5MDSRSQ-21ZP

5MDSRSQ-22ZP

5MDSRSQ-23ZP

5MDSRSQ-24ZP

5MDSRSQ-25ZP

5MDSRSQ-26ZP

5MDSRSQ-27ZP

5MDSRSQ-28ZP