304 Stainless Steel T-Bolt, Square Head, 1-3/4 Threaded Length, 2-1/2 Length, Partially Threaded, 3/4-10 Threads, Made in US (Pack of 2) by Small Parts : Amazon.co.uk: DIY & Tools
M10 x 130mm - Cup Square Bolt DIN 603 - A2 Stainless Steel | Coach Bolts