Metal Inserts

Metal inserts in this category are threaded inserts used to restore stripped or damaged threads in metal components and threaded holes. Selected styles can also be used in new metal parts, as well as certain new die castings or plastic components, where thread stress could lead to damage or failure. Common commercial uses include maintenance repairs, planned shop stock, repeated repair work, and production tasks requiring a specified threaded connection.

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Helpful Buying Guide

How to Choose Metal Inserts for Thread Repair

Start with the thread designation required by the repair or new-component application, then compare insert style, material, stated length where provided, and package quantity. The available range includes standard thread repair inserts, thin-wall inserts, free-running helical inserts, and locking helical inserts.

Visual Guide

Popular examples in this category

7/8-14 Carbon Steel Thread Repair Insert for Metal7/8-14 Carbon Steel Thread Repair Insert for MetalWBB4353721-14 Carbon Steel Thread Repair Insert for Metal1-14 Carbon Steel Thread Repair Insert for MetalWBB4353733/8-16 Carbon Steel Metal Thread Repair Insert3/8-16 Carbon Steel Metal Thread Repair InsertWBB4353645/16-24 Thin-Wall Steel Thread Repair Insert5/16-24 Thin-Wall Steel Thread Repair InsertWBB435408
Use Cases

Restore damaged threaded connections

Thread repair inserts help restore stripped or damaged threads in metal parts and metal threaded holes. Several listed inserts are intended for maintenance and repair work.

How to Choose

Match the stated thread requirement

Choose an insert with the required designation, such as 7/8-14, 1-14, 3/8-16, 5/16-24, 10-24, M5-0.8, M6-1.0, M10-1.50, or M18 x 1.5. Compare the listed length when it is provided.

Applications

Consider repair and new-part work

Free-running helical inserts are listed for repair work and for new components where thread stress may otherwise lead to damage or failure. Locking helical inserts are listed for threaded applications requiring a locking style.

Additional Info

Plan around style, material, and quantity

Options include carbon steel and 316 stainless steel construction, plus thin-wall, open, free-running, and locking designs. Package counts range from five to 100 inserts, with a 15-pack also available.

5–100Listed pack counts

Available package quantities range from five inserts to 100 inserts.

2Construction options

Listed construction options include carbon steel and 316 stainless steel.

4Insert style groups

The range includes standard, thin-wall, free-running helical, and locking helical options.

1.250 in.Listed insert length

A 1-14 carbon steel thread repair insert is listed with a 1.250-inch length.

Comparison Guide

Compare Metal Insert Types

Use the insert design and the stated application details to narrow the available options.

Insert typeListed optionsWhat to compare
Standard thread repair insertsCarbon steel options in multiple inch and metric thread sizes; one 10-24 option in 316 stainless steelRequired thread designation, construction, open design where listed, and pack count
Thin-wall thread repair inserts5/16-24 and M5-0.8 carbon steel optionsRequired thread designation and whether a thin-wall profile is needed
Helical thread insertsFree-running options in M18 x 1.5 x 36.0 and 5/16-18 x 0.469; locking option in 10-32 x .285Free-running or locking style, stated size and length, intended repair or new-part use, and pack quantity
Planning Guide

Plan the right fit before choosing

1. Confirm the thread designation

Match the insert to the stated thread size

The first selection point is the thread designation listed for the application. Available examples span inch and metric options, including 10-24, 10-32, 5/16-18, 5/16-24, 3/8-16, 7/8-14, 1-14, M5-0.8, M6-1.0, M10-1.50, and M18 x 1.5.

  • Select the stated thread size required for the repair.
  • For helical inserts, compare both the thread designation and listed length.
  • One 3/8-16 option also lists an M16-2.0 designation.
2. Choose the insert design

Compare standard, thin-wall, free-running, and locking styles

Standard thread repair inserts provide a threaded insert solution for metal repair work. Thin-wall options are available where a thin-wall profile is needed. Free-running helical inserts are offered for repair and new-product work, while locking helical inserts provide a locking-style option.

  • Choose thin-wall designs when the application calls for that profile.
  • Choose a free-running helical style for applicable repair or production work.
  • Choose a locking helical style when a locking insert is required.
  • An open-design M10-1.50 insert is also listed.
3. Plan the purchase

Compare construction and pack count

Carbon steel is offered across a range of thread repair inserts, while one 10-24 option is listed in 316 stainless steel. Package quantities support both smaller planned repairs and repeated work.

  • Five-piece and 10-piece packages are available for several thread repair insert sizes.
  • A 15-pack is offered for M18 x 1.5 x 36.0 free-running helical inserts.
  • 100-count packs are available for selected free-running and locking helical inserts.
FAQ

Common questions before buying

What are metal inserts used for?

They are used to restore threaded connections in metal, including stripped or damaged threads and threaded holes.

Which thread sizes are available?

Listed options include inch and metric sizes, from 10-24 and 10-32 through M18 x 1.5, with other sizes such as 5/16-18, 3/8-16, M5-0.8, and M10-1.50.

What is the difference between free-running and locking helical inserts?

Free-running inserts provide a free-running option for applicable repair or production work. Locking inserts provide an option for applications requiring a locking style.

How many inserts come in a package?

Listed package counts include five, 10, 15, and 100 inserts.

Helpful Buying Guide

How to Choose Metal Inserts for Thread Repair

Start with the thread designation required by the repair or new-component application, then compare insert style, material, stated length where provided, and package quantity. The available range includes standard thread repair inserts, thin-wall inserts, free-running helical inserts, and locking helical inserts.

Visual Guide

Popular examples in this category

7/8-14 Carbon Steel Thread Repair Insert for Metal7/8-14 Carbon Steel Thread Repair Insert for MetalWBB4353721-14 Carbon Steel Thread Repair Insert for Metal1-14 Carbon Steel Thread Repair Insert for MetalWBB4353733/8-16 Carbon Steel Metal Thread Repair Insert3/8-16 Carbon Steel Metal Thread Repair InsertWBB4353645/16-24 Thin-Wall Steel Thread Repair Insert5/16-24 Thin-Wall Steel Thread Repair InsertWBB435408
Use Cases

Restore damaged threaded connections

Thread repair inserts help restore stripped or damaged threads in metal parts and metal threaded holes. Several listed inserts are intended for maintenance and repair work.

How to Choose

Match the stated thread requirement

Choose an insert with the required designation, such as 7/8-14, 1-14, 3/8-16, 5/16-24, 10-24, M5-0.8, M6-1.0, M10-1.50, or M18 x 1.5. Compare the listed length when it is provided.

Applications

Consider repair and new-part work

Free-running helical inserts are listed for repair work and for new components where thread stress may otherwise lead to damage or failure. Locking helical inserts are listed for threaded applications requiring a locking style.

Additional Info

Plan around style, material, and quantity

Options include carbon steel and 316 stainless steel construction, plus thin-wall, open, free-running, and locking designs. Package counts range from five to 100 inserts, with a 15-pack also available.

5–100Listed pack counts

Available package quantities range from five inserts to 100 inserts.

2Construction options

Listed construction options include carbon steel and 316 stainless steel.

4Insert style groups

The range includes standard, thin-wall, free-running helical, and locking helical options.

1.250 in.Listed insert length

A 1-14 carbon steel thread repair insert is listed with a 1.250-inch length.

Comparison Guide

Compare Metal Insert Types

Use the insert design and the stated application details to narrow the available options.

Insert typeListed optionsWhat to compare
Standard thread repair insertsCarbon steel options in multiple inch and metric thread sizes; one 10-24 option in 316 stainless steelRequired thread designation, construction, open design where listed, and pack count
Thin-wall thread repair inserts5/16-24 and M5-0.8 carbon steel optionsRequired thread designation and whether a thin-wall profile is needed
Helical thread insertsFree-running options in M18 x 1.5 x 36.0 and 5/16-18 x 0.469; locking option in 10-32 x .285Free-running or locking style, stated size and length, intended repair or new-part use, and pack quantity
Planning Guide

Plan the right fit before choosing

1. Confirm the thread designation

Match the insert to the stated thread size

The first selection point is the thread designation listed for the application. Available examples span inch and metric options, including 10-24, 10-32, 5/16-18, 5/16-24, 3/8-16, 7/8-14, 1-14, M5-0.8, M6-1.0, M10-1.50, and M18 x 1.5.

  • Select the stated thread size required for the repair.
  • For helical inserts, compare both the thread designation and listed length.
  • One 3/8-16 option also lists an M16-2.0 designation.
2. Choose the insert design

Compare standard, thin-wall, free-running, and locking styles

Standard thread repair inserts provide a threaded insert solution for metal repair work. Thin-wall options are available where a thin-wall profile is needed. Free-running helical inserts are offered for repair and new-product work, while locking helical inserts provide a locking-style option.

  • Choose thin-wall designs when the application calls for that profile.
  • Choose a free-running helical style for applicable repair or production work.
  • Choose a locking helical style when a locking insert is required.
  • An open-design M10-1.50 insert is also listed.
3. Plan the purchase

Compare construction and pack count

Carbon steel is offered across a range of thread repair inserts, while one 10-24 option is listed in 316 stainless steel. Package quantities support both smaller planned repairs and repeated work.

  • Five-piece and 10-piece packages are available for several thread repair insert sizes.
  • A 15-pack is offered for M18 x 1.5 x 36.0 free-running helical inserts.
  • 100-count packs are available for selected free-running and locking helical inserts.
FAQ

Common questions before buying

What are metal inserts used for?

They are used to restore threaded connections in metal, including stripped or damaged threads and threaded holes.

Which thread sizes are available?

Listed options include inch and metric sizes, from 10-24 and 10-32 through M18 x 1.5, with other sizes such as 5/16-18, 3/8-16, M5-0.8, and M10-1.50.

What is the difference between free-running and locking helical inserts?

Free-running inserts provide a free-running option for applicable repair or production work. Locking inserts provide an option for applications requiring a locking style.

How many inserts come in a package?

Listed package counts include five, 10, 15, and 100 inserts.

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