304/316 Stainless Steel Flange Surface Hexagon Bolts with Pad Non - Slip Screws DIN 6921 and ASTM ANSI Flange Bolts - China Bolt, U Bolt | Made-in-China.com
Flange Dimensions ANSI 1500
Bolt - Flange, ANSI Class 150 (in)
ASME B16.5 class 300 flange, ANSI B16.5 class 300 flange dimensions mm
Flange Stud Bolt Lengths: What do I Need to Know? – Hex Technology