The absolute best way to hide the fastener head is to use the Cortex Concealed Fastening System by FastenMaster or the Pro Plug System by Starborn.
Both systems utilize a countersunk trim screw and a plug made from BOTO.
If you are painting the BOTO trim, CrackSHOT by DAP is an excellent high performance spackling paste that is also a very good nail hole filler.
If you don't intend to paint the trim, use one of the screw and plug systems mentioned above.
Copyright 2017 Guangzhou BOTO Plastics Co., Ltd. | All Rights Reserved