high tensile aircraft bolt locking bolts boeing bolt These fasteners are available in materials that include alloy steel, corrosion resistant steel, titanium and other super alloys in both unified and metric sizes. Configurations include flush, hex, 12-point, D-head, socket and spline head. Custom designs are also available to meet our customers’ exacting requirements. high tensile aircraft bolt locking bolts boeing bolt The selection of recess drives available on Howmet Fastening Systems’ externally threaded products is comprehensive. The popular cruciform-ribbed drive with its cam-out resistant features is just the beginning. The offset-cruciform recess fastener system provides torque-tight, tamper-resistant screws and bolts. The slanted three-wing design of the tri-slot screw recess ensures reliable insertion at above-average torque. For optimum security, only the mating tri-slot driver can remove the fastener.…