(203) Has a similar thread design as a metric socket head cap screw. However, the dome-shaped head is wider and has a lower profile than a metric socket head cap screw. Generally manufactured in accordance with ISO Standard 7380.
(37) A thin, flat, circular washer with a centrally located hole which is approximately 6% wider than the hole of a like-sized metric flat washer. Generally manufactured in accordance with DIN Standard 9021
(84) A six-sided internally threaded fastener with metric thread pitch. 16 millimeter nuts and smaller are chamfered on the top and the bearing surface. Larger nuts may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Generally manufactured in accordance with DIN Standard 934 or ISO Standard 4032.
(24) A six-sided nut with a nylon-filled collar at its back end and metric thread pitch. When a bolt or screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the fastener when it is subjected to vibration. Generally manufactured in accordance with DIN Standard 985.
(73) An externally threaded fastener with metric threads, a cylindrical head with a flat chamfered top surface, knurled cylindrical sides, and a hexagonal recess. Generally manufactured in accordance with DIN Standard 912 or ISO Standard 4762.
(337) Has a similar design as a metric button head socket cap screw, but has an 90° countersunk flat head. Generally manufactured in accordance with DIN Standard 7991.
(1,285) A hex machine bolt threaded to the head with metric thread pitch. Generally manufactured in accordance with DIN Standard 933 or ISO Standard 4017.
(155) A six-sided internally threaded fastener with metric thread pitch. 16 millimeter nuts and smaller are chamfered on the top and the bearing surface. Larger nuts may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Generally manufactured in accordance with DIN Standard 934 or ISO Standard 4032.
(77) A six-sided nut with a nylon-filled collar at its back end and metric thread pitch. When a bolt or screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the fastener when it is subjected to vibration. Generally manufactured in accordance with DIN Standard 985.
(1,317) An externally threaded fastener with metric threads, a cylindrical head with a flat chamfered top surface, knurled cylindrical sides, and a hexagonal recess. Generally manufactured in accordance with DIN Standard 912 or ISO Standard 4762.
(100) A coiled, hardened, split circular washer with a slightly trapezoidal wire section, for use with metric screws. Generally manufactured in accordance with DIN Standard 127.
(176) A pre-threaded bar with metric thread pitch which may be cut to length with a metal cutting hacksaw or power band saw. A nut will move easily over clean cut ends. Only minimal burr removal may be required from rough cut ends. Generally manufactured in accordance with DIN Standard 975.
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