A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Finland 
Spain 
Malaysia 
Australia 
Canada Classification: Bolts and bolts and their nuts or washers exported in the same shipment
NSN 6610-01-275-0119
NSN 6620-01-202-1703
NSN 6320-01-564-0893
NSN 5998-01-039-9990
NSN 6130-01-214-1645
NSN 5950-00-943-6780
NSN 5910-00-253-5256
NSN 5965-01-362-9609
NSN 7035-01-385-7306
NSN 6110-00-752-2757
NSN 5950-01-125-2059
NSN 5905-00-861-6012