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7/8"-9 Perma-Thread Stainless Steel Insert Kit

7/8"-9 Perma-Thread Stainless Steel Insert Kit

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Package Quantity: 1

Package Weight: 2 lbs

Item: 85281

  • Perma-Thread Inserts are precision formed coils of extremely hard stainless steel (18-8) diamond shaped wire. When installed into a Perma-Thread tapped hole, the insert provides permanent conventional screw-threads.
  • The insert has a driving "tang" for installation which is notched for easy removal.
  • Perma-Thread Inserts are larger in diameter before installation than the tapped hole. During installation the inserting tool tightens the insert which reduces the diameter of the leading coil so it can enter the tapped hole. After installation, each high tensile stainless steel coil expands outward against the tapped hole to permanently anchor the insert.
  • Kits 7/8” and larger packaged in a box.
  • Inserts and tools meet all applicable industrial and military specifications.
  • May be used on all military trucks, aircraft and other vehicles covered by MS 21208 and MS 21209.
  • Meets NAS 1222 specifications for helically coiled inserts.
Brand: Kimball Midwest Approved Vendor
Diameter: 7/8"
Drill Size: 29/32"
Length: 1.312"
Material: 18-8 Stainless Steel
Number of Inserts: 6
Tap Size: 7/8"-9
Thread Pitch: 9
Thread Size: 7/8"-9
Thread Type: Coarse


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
  • Perma-Thread Inserts are precision formed coils of extremely hard stainless steel (18-8) diamond shaped wire. When installed into a Perma-Thread tapped hole, the insert provides permanent conventional screw-threads.
  • The insert has a driving "tang" for installation which is notched for easy removal.
  • Perma-Thread Inserts are larger in diameter before installation than the tapped hole. During installation the inserting tool tightens the insert which reduces the diameter of the leading coil so it can enter the tapped hole. After installation, each high tensile stainless steel coil expands outward against the tapped hole to permanently anchor the insert.
  • Kits 7/8” and larger packaged in a box.
  • Inserts and tools meet all applicable industrial and military specifications.
  • May be used on all military trucks, aircraft and other vehicles covered by MS 21208 and MS 21209.
  • Meets NAS 1222 specifications for helically coiled inserts.
Brand: Kimball Midwest Approved Vendor
Diameter: 7/8"
Drill Size: 29/32"
Length: 1.312"
Material: 18-8 Stainless Steel
Number of Inserts: 6
Tap Size: 7/8"-9
Thread Pitch: 9
Thread Size: 7/8"-9
Thread Type: Coarse


WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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