Thread Forming for Plastic

Thread Forming Screws for Plastic.


Plastite

Plastite

How the TRILOBULAR™ family optimizes fastener performance and lowers in-place costs.
PLASTITE® TRILOBULAR™ thread rolling screws were developed specifically for use in plastics. They combine a unique TRILOBULAR™ cross-sectional form with deep, wide, spaced threads.

Easier to drive. Three swaging lobes with full relief of the thread form reduce driving effort and operator fatigue.

More holding power. The three-lobed design of PLASTITE® screws takes full advantage of the cold flow characteristics of many plastics by allowing plastic material to recover and fill in between the lobes. This establishes maximum resistance to vibrational loosening. In addition, the screws’ deep, coarsely-spaced threads provide a heavier shear area and deeper thread engagement in the plastic, further enhancing holding capabilities.
PT Screws

PT Screws

With a high thread profile and recessed thread root, the PT® screw provides increased thread engagement with minimal stress on the boss. It provides optimal performance in a wide range of thermoplastics. They feature a narrow 30 degree thread profile, optimum thread pitch , a round body and a recessed thread root. These features provide excellent resistance to back-out and pull-out while minimizing boss failure.
Delta PT Screws

Delta PT Screws

The Delta PT® represents the next advancement in design of the PT® screw and features a compound geometry of the flank angle of the thread. Improvements include better deformation of the plastic material during the fastening process, increased service life of the joint both in case of static and dynamic stress. Up to 50% improved torsional and tensile strength for the same diameter fastener. The optimized pitch provides a higher clamp load at low contact pressure by increased flank engagement.

Hi-Low Screws

Hi-Low Screws

Hi-lo screws have a reduced minor diameter and therefore displace less plastic material and minimize stress. These screws have a double lead high and low thread with the high thread having a 30 degree thread form that further minimizes material displacement while providing positive thread engagement. Hi-lo screws are tapping screws and therefore normally require a preformed hole to be properly employed.
REMFORM for Plastics

REMFORM for Plastics

The REMFORM® Screw is a thread rolling fastener with a unique thread form to provide superior performance in today’s wide range of plastics. The asymmetrical thread minimizes radial hoop stress to reduce boss bursting. The narrow tip angle also reduces stress in the plastic nut member

Featured Products - Thread Forming for Plastic


APEX FASTENERS, Inc · 162 W. Pomona Avenue • Monrovia, CA 91016 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Toll-Free Tel: 1-800-642-1333 · Tel: (626) 599-2219 · Fax: (626) 599-7729 · info@apexfasteners.com
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