Swage-Sert threaded inserts have a thinwall design that allows them to be used with minimum boss requirements to reduce weight and increase strength. They are locked securely
E-Z Lok Threaded Insert, Brass, Knife Thread, 3/8-16 Internal Threads, 0.625 Length (Pack of 10) : : Industrial & Scientific
ATLAS® SpinTite® blind threaded inserts
I use threaded inserts this way (you should too)
Softwood - Bolts & Threaded Inserts - 1 Set for Dining Table Legs – Trustic
1/2-13X.750 - UNC Left Hand Threaded Inserts PK-4 - ID: 401509-83124LH
Steel Threaded Insert 3/4-10 Thread
M3 Heat Set Threaded Insert for Plastic
5/16 UNF Left Hand Threaded Insert (1/2 OD) Tube Adaptor Female for Rod Ends
Heat / Ultrasonic Inserts
EZ-901420-13 E-Z Hex™ Threaded Insert for Soft Wood - Flanged - 1/4-20 – RustyDesign
Threaded Inserts, Flanged & Blind Inserts - Stainless Steel/Brass/Alu Bushings, Features & Applications
KIPP - Threaded inserts with internal thread, self-locking
Tap-Lok Hole Series Threaded Inserts - Groov-Pin Corp.
How to use threaded screw inserts in Hard wood