Fasteners used in the airplane are generally solid aluminum rivets, blind rivets, and steel threaded
Standard solid shank MS rivets are those generally used in airplane construction. They are
fabricated in the following head types: roundhead, flathead, countersunk head, and universal
head. Flathead rivets are generally used in the airplane interior, where head clearance is required.
MS20426 countersunk head rivets are used on the exterior surfaces of the airplane to minimize
turbulent airflow. MS20470 universal head rivets are used on the exterior surfaces of the airplane
where strength requirements necessitate a stronger rivet head than that of the countersunk head
rivet. Hi-Shear rivets are special, patented rivets having a high shear strength equivalent to that of
standard NAS bolts. They are used in special cases in locations where high shear loads are present,
such as in spars, wings, and in heavy bulkhead ribs. This rivet consists of a cadmium plated pin of
alloy steel. Some have a collar of aluminum alloy. Some of these rivets can be readily identified by
the presence of the attached collar in place of the formed head on standard rivets. Blind rivets are
used, where strength requirements permit, where one side of the structure is inaccessible, making it
impossible or impractical to drive standard solid shank rivets.
Fasteners used in the airplane are generally solid aluminum rivets, blind rivets, and steel threadedStandard solid shank MS rivets are those generally used in airplane construction. They arefabricated in the following head types: roundhead, flathead, countersunk head, and universalhead. Flathead rivets are generally used in the airplane interior, where head clearance is required.MS20426 countersunk head rivets are used on the exterior surfaces of the airplane to minimizeturbulent airflow. MS20470 universal head rivets are used on the exterior surfaces of the airplanewhere strength requirements necessitate a stronger rivet head than that of the countersunk headrivet. Hi-Shear rivets are special, patented rivets having a high shear strength equivalent to that ofstandard NAS bolts. They are used in special cases in locations where high shear loads are present,such as in spars, wings, and in heavy bulkhead ribs. This rivet consists of a cadmium plated pin ofalloy steel. Some have a collar of aluminum alloy. Some of these rivets can be readily identified bythe presence of the attached collar in place of the formed head on standard rivets. Blind rivets areused, where strength requirements permit, where one side of the structure is inaccessible, making itimpossible or impractical to drive standard solid shank rivets.
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