Brass Inserts have hexagonal heads.

Press Release Summary:

Series 40 through-hole and Series 44 blind-end hexagonal, molded-in, brass inserts are suitable for placement in plastic molds prior to plastic injection. They do not require specialized insertion tools, and are manufactured to simplify orientation and placement onto mold core pins. Hexagonal head provides bi-directional torque resistance and large undercut provides high-tensile strength.

Original Press Release:

Spirol International Introduces Hexagonal Molded-In Insert

Achieves Exceptional Pull-out and Torque Performance

DANIELSON, CT -- Spirol International Corporation has launched a new family of brass inserts designed for placement in the plastic mold prior to plastic injection. The new hexagonal molded-in insert family has a generous hexagonal head on each end and a large center undercut and should be used in applications where high torque and pull-out/through resistance is required or where the molder would prefer to place the insert prior to molding. The hexagonal heads provide a high level of bi-directional torque resistance and its large undercut provides high tensile strength. Spirol Series 40 is a through hole molded-in insert and Spirol Series 44 a blind-end molded-in insert. Spirol's molded-in inserts, like Spirol's brass expansion inserts, do not require any specialized insertion tools as the operator places the insert directly into the mold prior to plastic injection. In addition, Spirol has designed this insert to simplify orientation and placement onto the mold core pin thereby increasing productivity and reducing potential scrap rates.

For more information on the Series 40 (through hole) or 44 (blind end) Molded-in Inserts or application information, contact: Spirol International Corporation, 30 Rock Avenue, Danielson, CT 06239-1434. Phone: (860) 774-8571 or Fax (860) 774-0487. Via Internet: or E-mail us at

SPIROL INTERNATIONAL CORPORATION is a leading manufacturer of a diverse line of engineered fasteners, including coiled and slotted spring pins, solid pins, spacers and other tubular products, as well as threaded brass inserts, milled brass nuts, shims, pin and insert installation equipment and vibratory parts feeders.

Manufacturing Quality Products Since 1945

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