25 PCS Flanged Bolts 1/4-20 x 1-3/4" Screw Type: 1/4-20 x 1-3/4" Flanged Bolts - DIN 6921. Specification: Pitch 20 TPI. Screw Length: 1-3/4" (Excluding Head). Diameter of head: 9.5mm. Diameter of hex washer: 14mm. Height of head: 7mm. Material: High quality stainless steel A2-70, corrosion resistant. Package Included: 25 PCS. Wide Applications: Flanged Bolts can be used widely in the home and office appliance, communication equipments, ship assembly, the mechanical industry and small repairs around shops, garages or home furniture fasteners.