Such features might include side holes, tapped holes, D-holes for plugs or switches, O-ring grooves, milled threads, precision machined fits, etc. Other variations of specialty molding might include TPE / TPV soft thermoplastic over molding, threaded insert molding, custom metal component over molding, etc. Some of this is in preparation for using adhesives to join parts, often needed when a robust leak proof sub-assembly is required by our customer.
