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Industrial Hardware and Specialties is classified as an ESSENTIAL business and is fully operational.

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Threaded Inserts

Threaded Inserts For Plastic

Threaded Inserts For Plastic

 Threaded Inserts For Wood

Threaded Inserts For Wood

 Threaded Inserts For Metals

Threaded Inserts For Metals

 Threaded Insert Installation Tools

Threaded Insert Installation Tools
Filter  
  1. Inside Thread 5/16-18 Remove This Item
  2. Length 0.437 Remove This Item
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Material  
  1. Alloy Steel Type 4140 6 items
  2. Carbon Steel 12L14 1 item
  3. Carbon Steel C1215 1 item
  4. Stainless Steel Type 303 6 items
  5. Stainless Steel Type A286 4 items
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Insert Style  
  1. Free-Running 1 item
  2. Internal Locking 8 items
  3. Non-Locking 9 items
Wall Thickness  
  1. Heavy Duty 6 items
  2. Thin Wall 7 items
  3. Extra Heavy Duty 5 items
Inside Thread  
X
  1. 1/4-20 2 items
  2. 1/4-28 2 items
  3. 5/16-18 18 items
  4. 5/16-24 19 items
  5. Solid Blank 2 items
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Length  
X
  1. 0.312 2 items
  2. 0.430 2 items
  3. 0.437 18 items
  4. 0.469 8 items
  5. 0.484 2 items
  6. 12.5mm 1 item
  7. 13mm 1 item
  8. 0.515 1 item
  9. 0.563 3 items
  10. 0.625 3 items
  11. 0.781 2 items
  12. 20mm 1 item
  13. 0.938 2 items
  14. 25mm 2 items
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Drill Size  
  1. 0.3970 (Letter X) 7 items
  2. 0.4532 (29/64) 6 items
  3. 0.5157 (33/64) 5 items
Decimal Outside Diameter  
  1. 0.4375 (7/16-14) 7 items
  2. 0.5000 (1/2-13) 6 items
  3. 0.5625 (9/16-12) 5 items
View as Grid List

18 Items

per page
Set Descending Direction
  1. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - Alloy Steel

    Sku #: 35L8C-34JW-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - Alloy Steel
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  2. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - Alloy Steel

    Sku #: 35L8C-352G-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - Alloy Steel
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  3. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - Alloy Steel

    Sku #: 35L8C-36HC-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - Alloy Steel
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  4. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - Alloy Steel

    Sku #: 35L8C-3710-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - Alloy Steel
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  5. 5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - Alloy Steel

    Sku #: 35L8C-37GM-31-05

    5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - Alloy Steel
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  6. 5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Internal Locking - Alloy Steel

    Sku #: 35L8C-3808-31-05

    5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Internal Locking - Alloy Steel
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  7. 5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - Carbon Steel C1215

    Sku #: 35L8C-4RB4-31

    5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - Carbon Steel C1215
    Special Price $35.90 Regular Price $48.23
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  8. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - 303 Stainless

    Sku #: 35L8C-667W-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - 303 Stainless
    Special Price $6.31 Regular Price $8.48
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  9. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - 303 Stainless

    Sku #: 35L8C-66QG-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - 303 Stainless
    Add to Wish List Add to Compare
  10. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - 303 Stainless

    Sku #: 35L8C-686C-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - 303 Stainless
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  11. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - 303 Stainless

    Sku #: 35L8C-68P0-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - 303 Stainless
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  12. 5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - 303 Stainless

    Sku #: 35L8C-695M-31-05

    5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Non-Locking - 303 Stainless
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  13. 5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Internal Locking - 303 Stainless

    Sku #: 35L8C-69N8-31-05

    5/16-18 UNC x 0.437 Extra Heavy Duty Key-Locking Insert - Internal Locking - 303 Stainless
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  14. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - A286 Stainless

    Sku #: 35L8C-7Q2C-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Non-Locking - A286 Stainless
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  15. 5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - A286 Stainless

    Sku #: 35L8C-7QJ0-31-0A

    5/16-18 UNC x 0.437 Thin Wall Key-Locking Insert - Internal Locking - A286 Stainless
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  16. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - A286 Stainless

    Sku #: 35L8C-7T0W-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Non-Locking - A286 Stainless
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  17. 5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - A286 Stainless

    Sku #: 35L8C-7TGG-31-0A

    5/16-18 UNC x 0.437 Heavy Duty Key-Locking Insert - Internal Locking - A286 Stainless
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  18. 5/16-18 UNC x 0.437 SwiftSert Threaded Insert For Metals - Carbon Steel 12L14 - Made in USA

    Sku #: 35L9C-97WW-31-0A

    5/16-18 UNC x 0.437 SwiftSert Threaded Insert For Metals - Carbon Steel 12L14 - Made in USA
    Special Price $1.64 Regular Price $2.20
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Shop By
Now Shopping by
  1. Inside Thread 5/16-18 Remove This Item
  2. Length 0.437 Remove This Item
Clear All
Shopping Options
Material
  1. Alloy Steel Type 4140 6 items
  2. Carbon Steel 12L14 1 item
  3. Carbon Steel C1215 1 item
  4. Stainless Steel Type 303 6 items
  5. Stainless Steel Type A286 4 items
Show more
Insert Style
  1. Free-Running 1 item
  2. Internal Locking 8 items
  3. Non-Locking 9 items
Wall Thickness
  1. Heavy Duty 6 items
  2. Thin Wall 7 items
  3. Extra Heavy Duty 5 items
Inside Thread
  1. 1/4-20 2 items
  2. 1/4-28 2 items
  3. 5/16-18 18 items
  4. 5/16-24 19 items
  5. Solid Blank 2 items
Show more
Length
  1. 0.312 2 items
  2. 0.430 2 items
  3. 0.437 18 items
  4. 0.469 8 items
  5. 0.484 2 items
  6. 12.5mm 1 item
  7. 13mm 1 item
  8. 0.515 1 item
  9. 0.563 3 items
  10. 0.625 3 items
  11. 0.781 2 items
  12. 20mm 1 item
  13. 0.938 2 items
  14. 25mm 2 items
Show more
Drill Size
  1. 0.3970 (Letter X) 7 items
  2. 0.4532 (29/64) 6 items
  3. 0.5157 (33/64) 5 items
Decimal Outside Diameter
  1. 0.4375 (7/16-14) 7 items
  2. 0.5000 (1/2-13) 6 items
  3. 0.5625 (9/16-12) 5 items