ifc:IfcMechanicalFastenerTypeEnum

<xs:simpleType name="IfcMechanicalFastenerTypeEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="anchorbolt"/>
    <xs:enumeration value="bolt"/>
    <xs:enumeration value="dowel"/>
    <xs:enumeration value="nail"/>
    <xs:enumeration value="nailplate"/>
    <xs:enumeration value="rivet"/>
    <xs:enumeration value="screw"/>
    <xs:enumeration value="shearconnector"/>
    <xs:enumeration value="staple"/>
    <xs:enumeration value="studshearconnector"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>