Internal Locking Thread Repair Insert

Jergens Threaded Inserts are used to quickly repair stripped, damaged, or worn-out threads. They are also used in original equipment where they strengthen threads in soft metals like magnesium or aluminum. Our threaded inserts are easy to install and remove. No specialty drills, taps, or pre-winder tools are required. The keys are driven down into the threads of the surrounding base material, locking the insert in place.

Features, Benefits, & Product Specifications:
  • Insert Material & Finish: 303 Stainless Steel or Equivalent, Passivated
  • Key Material & Finish: 302 Stainless Steel or Equivalent, Passivated
  • Tolerances: ±0.010 for Inch
  • Inserts with an internal thread size of 5/16 and larger are furnished with (4) locking keys while smaller sizes have (2) locking keys
  • Special materials, sizes, and Mil-Spec available upon request
  • RoHS compliant

Internal Locking Thread Repair Insert

Select a part number for CAD drawings, price and stock availability.

Part Number CAD Unit Internal Thread Class 2B External Thread Class 2A Length (In) G (In) Installation Tool Part Number Style
24500 Inch 8-32 5/16-18 0.31 0.15 24700 Heavy Duty - Locking
24501 Inch 10-24 3/8-16 0.31 0.15 24701 Heavy Duty - Locking
24502 Inch 1/4-20 7/16-14 0.37 0.18 24702 Heavy Duty - Locking
24503 Inch 5/16-18 1/2-13 0.43 0.21 24703 Heavy Duty - Locking
24504 Inch 3/8-16 9/16-12 0.50 0.25 24704 Heavy Duty - Locking
24506 Inch 1/2-13 3/4-16 0.62 0.31 24706 Heavy Duty - Locking
24507 Inch 9/16-12 3/4-16 0.81 0.40 24707 Heavy Duty - Locking
24508 Inch 5/8-11 7/8-14 0.87 0.43 24708 Heavy Duty - Locking
24509 Inch 3/4-10 1 1/8-12 1.12 0.56 24709 Heavy Duty - Locking
24510 Inch 7/8-9 1 1/4-12 1.25 0.62 24710 Heavy Duty - Locking
24511 Inch 1-8 1 3/8-12 1.37 0.68 24711 Heavy Duty - Locking
24521 Inch 10-24 5/16-18 0.31 0.15 24721 Thinwall - Locking
24522 Inch 1/4-20 3/8-16 0.37 0.18 24722 Thinwall - Locking
24523 Inch 5/16-18 7/16-14 0.43 0.21 24723 Thinwall - Locking
24524 Inch 3/8-16 1/2-13 0.50 0.25 24724 Thinwall - Locking
24525 Inch 7/16-14 9/16-12 0.56 0.28 24725 Thinwall - Locking
24526 Inch 1/2-13 5/8-11 0.62 0.31 24726 Thinwall - Locking
24601 Inch 10-32 3/8-16 0.31 0.15 24701 Heavy Duty - Locking
24602 Inch 1/4-28 7/16-14 0.37 0.18 24702 Heavy Duty - Locking
24604 Inch 3/8-24 9/16-12 0.50 0.25 24704 Heavy Duty - Locking
24605 Inch 7/16-20 5/8-11 0.62 0.31 24705 Heavy Duty - Locking
24606 Inch 1/2-20 3/4-16 0.62 0.31 24706 Heavy Duty - Locking
24607 Inch 9/16-18 3/4-16 0.81 0.40 24707 Heavy Duty - Locking
24608 Inch 5/8-18 7/8-14 0.87 0.43 24708 Heavy Duty - Locking
24609 Inch 3/4-16 1 1/8-12 1.12 0.56 24709 Heavy Duty - Locking
24610 Inch 7/8-14 1 1/4-12 1.25 0.62 24710 Heavy Duty - Locking
24611 Inch 1-12 1 3/8-12 1.37 0.68 24711 Heavy Duty - Locking
24621 Inch 10-32 5/16-18 0.31 0.15 24721 Thinwall - Locking
24622 Inch 1/4-28 3/8-16 0.37 0.18 24722 Thinwall - Locking
24623 Inch 5/16-24 7/16-14 0.43 0.21 24723 Thinwall - Locking
24624 Inch 3/8-24 1/2-13 0.50 0.25 24724 Thinwall - Locking
24625 Inch 7/16-20 9/16-12 0.56 0.28 24725 Thinwall - Locking
24626 Inch 1/2-20 5/8-11 0.62 0.31 24726 Thinwall - Locking
Part Number CAD Unit Internal Thread Class 2B External Thread Class 2A Length (mm) G (mm) Installation Tool Part Number Style
24551 Metric M5 x 0.8 M8 x 1.25 8.0 4.0 24751 Thinwall - Locking
24552 Metric M6 x 1.0 M10 x 1.25 10.0 5.0 24752 Thinwall - Locking
24553 Metric M8 x 1.25 M12 x 1.25 12.0 6.0 24753 Thinwall - Locking
24555 Metric M10 x 1.5 M14 x 1.5 14.0 7.0 24755 Thinwall - Locking
24556 Metric M12 x 1.75 M16 x 1.5 16.0 8.0 24756 Thinwall - Locking
24563 Metric M4 x 0.7 M8 x 1.25 8.0 4.0 24763 Heavy Duty - Locking
24564 Metric M5 x 0.8 M10 x 1.25 10.0 5.0 24764 Heavy Duty - Locking
24565 Metric M6 x 1.0 M12 x 1.25 12.0 6.0 24765 Heavy Duty - Locking
24566 Metric M8 x 1.25 M14 x 1.5 14.0 7.0 24766 Heavy Duty - Locking
24567 Metric M10 x 1.5 M16 x 1.5 16.0 8.0 24767 Heavy Duty - Locking
24569 Metric M12 x 1.75 M18 x 1.5 18.0 9.0 24769 Heavy Duty - Locking
24570 Metric M14 x 2.0 M20 x 1.5 20.0 10.0 24770 Heavy Duty - Locking
24571 Metric M16 x 2.0 M22 x 1.5 22.0 11.0 24771 Heavy Duty - Locking
24573 Metric M20 x 2.5 M30 x 2.0 30.0 15.0 24773 Heavy Duty - Locking
24575 Metric M24 x 3.0 M33 x 2.0 33.0 16.5 24775 Heavy Duty - Locking
24653 Metric M8 x 1.0 M12 x 1.25 12.0 6.0 24753 Thinwall - Locking
24655 Metric M10 x 1.25 M14 x 1.5 14.0 7.0 24755 Thinwall - Locking
24656 Metric M12 x 1.25 M16 x 1.5 16.0 8.0 24756 Thinwall - Locking
24667 Metric M10 x 1.25 M16 x 1.5 16.0 8.0 24767 Heavy Duty - Locking
24670 Metric M14 x 1.5 M 20 x 1.5 20.0 10.0 24770 Heavy Duty - Locking
24671 Metric M16 x 1.5 M22 x 1.5 22.0 11.0 24771 Heavy Duty - Locking
24672 Metric M18 x 1.5 M24 x 1.5 24.0 12.0 24772 Heavy Duty - Locking

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