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 6145-01-516-7165
NSN 5915-01-436-0729
NSN 6650-00-187-5388
NSN 5935-01-183-0792
NSN 6610-01-425-1523
NSN 6610-01-387-5630
NSN 5950-00-059-8744
NSN 6685-01-006-6189
NSN 5895-01-289-4115
NSN 5915-01-441-2982
NSN 2925-01-437-1128
NSN 7035-00-803-3056