DIN 529 C - Masonry Bolts With Hexagon Nuts DIN 609 - Hex Fitting Bolts w long Threaded Portion DIN 610 - Hex fitting Bolts w short Threaded Portion DIN 6914 - Hex Bolts For High Strength Struct. Bolting DIN 6915 - Hex Nuts For High Strength Struc. Bolting IFI Fastener-2-Eyebolts-Hex Flange Nuts Screws-Heavy Hex Screws-Lock Washers-Locking Fasteners IFI Fastener-4-Slotted Head Cap Screws-Square and Hex Bolts Screws Nuts Machine Screw