D’ Head Bolts are manufactured by Lakshman Tools Pvt. Ltd. Lakshman Tools Pvt. Ltd. Is an ISO 9001:2000 accredited company that manufactures high tensile steel fasteners suitable for applications in different types of industries and automobile companies. The fastener products are sold under the brand name of " RHINO" . D’ Head Bolts have Strength Designation Class/Grade of 10.9 and the size ranges from M6 to M16. These D’ Head Bolts are used in Connecting Rods/ Coupling type of Fasteners and 2 Wheeler/ 3 Wheeler Assemblies.