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

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Helical Threaded Inserts

Helical Threaded Inserts – also known as wire or helical threaded inserts – quickly repair or reinforce tapped holes in soft metals. Made from 18-8 stainless steel wire, Helical Threaded Inserts provide strong internal threads that are corrosion resistant and withstand temperatures to 800°F.

Helical Threaded Inserts are made of 18-8 stainless steel wire. The wire is formed into a diamond pattern and then wound into a spring. Before being installed, the insert diameter is larger than the tapped hole. The insert diameter is reduced during installation, allowing the insert to thread into the hole. Once properly installed, the radial pressure of the released insert holds the insert firmly in place.

Helical Threaded Inserts

Features:

  • Quickly repair damaged threads in soft metal
  • Protect tapped holes from stripping and wear
  • Made from corrosion resistant 18-8 stainless steel
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  1. ID Acronym BSF Remove This Item
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Type  
  1. Threaded Inserts 9 items
  2. Single Size Threaded Insert Repair Kits 9 items
ID Acronym  
X
  1. UNF 235 items
  2. UNC 282 items
  3. ISO 615 items
  4. UNS 14 items
  5. 8UN 60 items
  6. BSF 18 items
  7. BSW 22 items
  8. Spark Plug (ISO) 12 items
  9. Spark Plug (ANSI) 3 items
  10. NPT 11 items
  11. BSPP 17 items
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Inside Thread  
  1. 1/4-26 2 items
  2. 5/16-22 2 items
  3. 3/8-20 2 items
  4. 7/16-18 2 items
  5. 1/2-16 2 items
  6. 5/8-14 2 items
  7. 3/4-12 2 items
  8. 7/8-11 2 items
  9. 1-10 2 items
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Length  
  1. 0.375 2 items
  2. 0.469 2 items
  3. 0.562 2 items
  4. 0.656 2 items
  5. 0.750 2 items
  6. 0.938 2 items
  7. 1.125 2 items
  8. 1.312 2 items
  9. 1.500 2 items
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Drill Size  
  1. 0.2610 (Letter G) 2 items
  2. 0.3281 (21/64) 2 items
  3. 0.3860 (Letter W) 2 items
  4. 0.4531 (29/64) 2 items
  5. 0.5156 (33/64) 2 items
  6. 0.6406 (41/64) 2 items
  7. 0.7656 (49/64) 2 items
  8. 0.8906 (57/64) 2 items
  9. 1.0313 (1-1/32) 2 items
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18 Items

per page
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  1. 1/4-26 BSF x 0.375 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 12/pkg

    Sku #: 35L7C-C84W-025-0C

    1/4-26 BSF x 0.375 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 12/pkg
    Special Price $1.60 Regular Price $2.31
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  2. 5/16-22 BSF x 0.469 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 10/pkg

    Sku #: 35L7C-C84W-031-0A

    5/16-22 BSF x 0.469 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 10/pkg
    Special Price $1.76 Regular Price $2.55
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  3. 3/8-20 BSF x 0.562 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 10/pkg

    Sku #: 35L7C-C84W-037-0A

    3/8-20 BSF x 0.562 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 10/pkg
    Special Price $2.35 Regular Price $3.40
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  4. 7/16-18 BSF x 0.656 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg

    Sku #: 35L7C-C84W-043-06

    7/16-18 BSF x 0.656 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg
    Special Price $4.03 Regular Price $5.83
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  5. 1/2-16 BSF x 0.750 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg

    Sku #: 35L7C-C84W-050-06

    1/2-16 BSF x 0.750 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg
    Special Price $4.62 Regular Price $6.67
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  6. 5/8-14 BSF x 0.938 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg

    Sku #: 35L7C-C84W-062-06

    5/8-14 BSF x 0.938 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 6/pkg
    Special Price $6.38 Regular Price $9.22
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  7. 3/4-12 BSF x 1.125 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg

    Sku #: 35L7C-C84W-075-04

    3/4-12 BSF x 1.125 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg
    Special Price $7.98 Regular Price $11.53
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  8. 7/8-11 BSF x 1.312 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg

    Sku #: 35L7C-C84W-087-04

    7/8-11 BSF x 1.312 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg
    Special Price $7.98 Regular Price $11.53
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  9. 1-10 BSF x 1.500 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg

    Sku #: 35L7C-C84W-100-04

    1-10 BSF x 1.500 WireSert Threaded Insert for Metals - Free-Running - 18-8 Stainless - 4/pkg
    Special Price $11.00 Regular Price $15.89
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  10. 1/4-26 BSF x 0.375 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-025F15

    1/4-26 BSF x 0.375 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $101.42 Regular Price $147.15
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  11. 5/16-22 BSF x 0.469 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-031F15

    5/16-22 BSF x 0.469 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $118.63 Regular Price $172.13
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  12. 3/8-20 BSF x 0.562 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-037F15

    3/8-20 BSF x 0.562 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $146.08 Regular Price $211.95
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  13. 7/16-18 BSF x 0.656 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-043F15

    7/16-18 BSF x 0.656 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $166.54 Regular Price $241.65
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  14. 1/2-16 BSF x 0.750 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-050F15

    1/2-16 BSF x 0.750 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $215.48 Regular Price $312.66
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  15. 5/8-14 BSF x 0.938 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-062F15

    5/8-14 BSF x 0.938 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $287.96 Regular Price $417.83
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  16. 3/4-12 BSF x 1.125 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-075F15

    3/4-12 BSF x 1.125 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $313.08 Regular Price $454.28
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  17. 7/8-11 BSF x 1.312 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-087F15

    7/8-11 BSF x 1.312 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $394.96 Regular Price $573.08
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  18. 1-10 BSF x 1.500 in. Right-Hand Helical Threaded Insert Repair Kit Single Size

    Sku #: 35L7GD-100F15

    1-10 BSF x 1.500 in. Right-Hand Helical Threaded Insert Repair Kit Single Size
    Special Price $464.28 Regular Price $673.65
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Shop By
Now Shopping by
  1. ID Acronym BSF Remove This Item
Clear All
Shopping Options
Type
  1. Threaded Inserts 9 items
  2. Single Size Threaded Insert Repair Kits 9 items
ID Acronym
  1. UNF 235 items
  2. UNC 282 items
  3. ISO 615 items
  4. UNS 14 items
  5. 8UN 60 items
  6. BSF 18 items
  7. BSW 22 items
  8. Spark Plug (ISO) 12 items
  9. Spark Plug (ANSI) 3 items
  10. NPT 11 items
  11. BSPP 17 items
Show more
Inside Thread
  1. 1/4-26 2 items
  2. 5/16-22 2 items
  3. 3/8-20 2 items
  4. 7/16-18 2 items
  5. 1/2-16 2 items
  6. 5/8-14 2 items
  7. 3/4-12 2 items
  8. 7/8-11 2 items
  9. 1-10 2 items
Show more
Length
  1. 0.375 2 items
  2. 0.469 2 items
  3. 0.562 2 items
  4. 0.656 2 items
  5. 0.750 2 items
  6. 0.938 2 items
  7. 1.125 2 items
  8. 1.312 2 items
  9. 1.500 2 items
Show more
Drill Size
  1. 0.2610 (Letter G) 2 items
  2. 0.3281 (21/64) 2 items
  3. 0.3860 (Letter W) 2 items
  4. 0.4531 (29/64) 2 items
  5. 0.5156 (33/64) 2 items
  6. 0.6406 (41/64) 2 items
  7. 0.7656 (49/64) 2 items
  8. 0.8906 (57/64) 2 items
  9. 1.0313 (1-1/32) 2 items
Show more