Thinwall Industrial Style Keylocking Inserts

Jergens Thinwall Industrial Style Keylocking 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 Materials & Finishes:
    • Carbon Steel (C1215 or Equivalent), Parkerized
    • 303 Stainless Steel, Passivated
  • Key Material: 302 Stainless Steel
  • Tolerances: ±0.010 for Inch, ±0.25mm for Metric
  • Inserts with internal thread size of 5/16-18 or larger are furnished with (4) locking keys
  • Special materials, sizes, and Mil-Spec available upon request
  • RoHS compliant
 

Thinwall Industrial Style Keylocking Inserts

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

Part Number CAD Unit Material Internal Thread Class 2B External Thread Length (L) Installation Tool Part Number
25921 Inch Carbon Steel 10-24 5/16-18 0.31 24721
25922 Inch Carbon Steel 1/4-20 3/8-16 0.37 24722
25923 Inch Carbon Steel 5/16-18 7/16-14 0.43 24723
25924 Inch Carbon Steel 3/8-16 1/2-13 0.50 24724
25925 Inch Carbon Steel 7/16-14 9/16-12 0.56 24725
25926 Inch Carbon Steel 1/2-13 5/8-11 0.62 24726
26121 Inch Carbon Steel 10-32 5/16-18 0.31 24721
26122 Inch Carbon Steel 1/4-28 3/8-16 0.37 24722
26123 Inch Carbon Steel 5/16-24 7/16-14 0.43 24723
26124 Inch Carbon Steel 3/8-24 1/2-13 0.50 24724
26125 Inch Carbon Steel 7/16-20 9/16-12 0.56 24725
26126 Inch Carbon Steel 1/2-20 5/8-11 0.62 24726
26321 Inch Stainless Steel 10-24 5/16-18 0.31 24721
26322 Inch Stainless Steel 1/4-20 3/8-16 0.37 24722
26323 Inch Stainless Steel 5/16-18 7/16-14 0.43 24723
26324 Inch Stainless Steel 3/8-16 1/2-13 0.50 24724
26325 Inch Stainless Steel 7/16-14 9/16-12 0.56 24725
26326 Inch Stainless Steel 1/2-13 5/8-11 0.62 24726
26521 Inch Stainless Steel 10-32 5/16-18 0.31 24721
26522 Inch Stainless Steel 1/4-28 3/8-16 0.37 24722
26523 Inch Stainless Steel 5/16-24 7/16-14 0.43 24723
26524 Inch Stainless Steel 3/8-24 1/2-13 0.50 24724
26525 Inch Stainless Steel 7/16-20 9/16-12 0.56 24725
26526 Inch Stainless Steel 1/2-20 5/8-11 0.62 24726
Part Number CAD Unit Material Insert Internal Thread Class 6H Insert External Thread Class 6g Installation Length (L) Installation Tool Part Number Tap Drill Size C-Sink Diameter +0.25/-0.00 Thread Tap Size Class 6h Thread Tap Minimum Depth Removal Drill Size Removal Drill Depth
25951 Metric Carbon Steel M5 x 0.8 M8 x 1.25 8.0 24751 6.9 8.25 M8 x 1.25 9.5 5.50 4.00
25952 Metric Carbon Steel M6 x 1.0 M10 x 1.25 10.0 24752 8.8 10.25 M10 x 1.25 11.5 7.50 4.75
25953 Metric Carbon Steel M8 x 1.25 M12 x 1.25 12.0 24753 10.8 12.25 M12 x 1.25 13.5 9.50 4.75
25955 Metric Carbon Steel M10 x 1.5 M14 x 1.5 14.0 24755 12.8 14.25 M14 x 1.5 15.5 11.50 4.75
25956 Metric Carbon Steel M12 x 1.75 M16 x 1.5 16.0 24756 14.75 16.25 M16 x 1.5 17.5 13.50 4.75
26153 Metric Carbon Steel M8 x 1.0 M12 x 1.25 12.0 24753 10.8 12.25 M12 x 1.25 13.5 9.50 4.75
26155 Metric Carbon Steel M10 x 1.25 M14 x 1.5 14.0 24755 12.8 14.25 M14 x 1.5 15.5 11.50 4.75
26156 Metric Carbon Steel M12 x 1.25 M16 x 1.5 16.0 24756 14.75 16.25 M16 x 1.5 17.5 13.50 4.75
26351 Metric Stainless Steel M5 x 0.8 M8 x 1.25 8.0 24751 6.9 8.25 M8 x 1.25 9.5 5.50 4.00
26352 Metric Stainless Steel M6 x 1.0 M10 x 1.25 10.0 24752 8.8 10.25 M10 x 1.25 11.5 7.50 4.75
26353 Metric Stainless Steel M8 x 1.25 M12 x 1.25 12.0 24753 10.8 12.25 M12 x 1.25 13.5 9.50 4.75
26355 Metric Stainless Steel M10 x 1.5 M14 x 1.5 14.0 24755 12.8 14.25 M14 x 1.5 15.5 11.50 4.75
26356 Metric Stainless Steel M12 x 1.75 M16 x 1.5 16.0 24756 14.75 16.25 M16 x 1.5 17.5 13.50 4.75
26553 Metric Stainless Steel M8 x 1.0 M12 x 1.25 12.0 24753 10.8 12.25 M12 x 1.25 13.5 9.50 4.75
26555 Metric Stainless Steel M10 x 1.25 M14 x 1.5 14.0 24755 12.8 14.25 M14 x 1.5 15.5 11.50 4.75
26556 Metric Stainless Steel M12 x 1.25 M16 x 1.5 16.0 24756 14.75 16.25 M16 x 1.5 17.5 13.50 4.75

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