Titanium Fastener Size:M2-M24 Standard: DIN, ANSI, BS, GB, ISO. Material: ... ,GR5,GR9 Application:bicycle,steamship SizeM2-M24 Applicationbicycle,steamship ,aviation,petrochemical industryStandardDIN, ANSI, BS, GB, ISO.Shapetitanium bolts, nuts, washer and ...