J jordan1 Member Messages 2,049 Location Yorkshire England Mar 20, 2016 #1 Used these in the past, useful. http://www.imperialnutsandbolts.com/fasteners-and-fittings/cat_45.html
Used these in the past, useful. http://www.imperialnutsandbolts.com/fasteners-and-fittings/cat_45.html
rtbcomp Moderator Messages 18,575 Location Sheffield UK Mar 20, 2016 #2 Thanks for the link - I've added it to the Links section.