Brand Time-Sert
Type Big-Sert Steel Inserts
Warranty Yes
Manufacturer Part Number 57611-20
Country of Origin United States
UPC 845617005204

Check the listing for details. Big-Sert 57611 7/16-14 x .600 Inch Insert - 20 Pack. Condition: New, Made in United States. Listed at 149.28 USD. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place. Inside thread size is 7/16-14. Then screw the insert onto the prepared hole.

$74.64
$149.28