Thread Repair Kits | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

Pipe

	Thread Size Thread Size

	Thread Type Thread Type

	Thread Pitch Thread Pitch

	Width Width

	For Use On For Use On

	Component Component

Die

Tap

	Shape Shape


Hex	Round

	Thread Direction Thread Direction


Right Hand	Left Hand

	Application Application

Through-Hole Threading

Closed-End Hole Threading

	Number of Taps Number of Taps

	Material Material

	File Sizes Included File Sizes Included

For 0.8 to 3 mm thread
pitches

For 11 to 24 threads per inch

For 9 to 32 threads per inch

	Number of Dies Number of Dies

	Number of Pieces Number of Pieces

	Number of Files Number of Files

	Container Type Container Type

	Chamfer Type Chamfer Type

Plug

Taper

	Threaded Insert Type Threaded Insert Type


Helical	Key Locking

Thread Locking	Heat Set

Tapping

	Installed Length Installed Length

	Number of Inserts Included Number of Inserts Included

2
3
4
5
6
7
8
9
10
12
18
22
24
30
33
36
46
48
50
54
60
77
81
82
225
255
288

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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361 Products

Threaded Inserts

Helical Inserts with Installation Tools

Inserts come with a through-hole tap and installation tool.

Helical Insert Assortments with Installation Tools

Assortments include various sizes of helical inserts and a tap, a drill bit, and an installation tool for each thread size.

Spark Plug Thread Repair Kits

Kits include helical inserts, a tap, and an installation tool.

Spark Plug Thread Repair Kits for
Gasket-Seat and Taper-Seat Ports

These kits have short-, normal-, and long-reach inserts, an installation tool, and a tap.

Key-Locking Inserts with Installation Tool

These inserts come with an installation tool. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts.

Key-Locking Insert Assortments with Installation Tool

Easy-to-Install Thread-Locking Insert Assortments

These assortments include various sizes of thread-locking inserts.

Easy-to-Install Thread-Locking
Inserts with Installation Tools

A closed-end tap, drill bit, and installation bit are included with these inserts.

Tapered Heat-Set Insert Assortments
for Plastic with Installation Tools

Assortments include various sizes of inserts, a soldering iron, a ceramic insulation tube, and installation tips.

Tapping Insert Assortments for Softwood

Assortments include various sizes of tapping inserts for softwood.

Brass Tapping Insert Assortments for Hardwood

Assortments include various sizes of tapping inserts for hardwood.

Threading

Thread Repairing Tap, Die, and File Sets

Repair screw threads in a wide range of sizes.

Tap and Die Sets

Use a single set for many sizes of internal and external threads. All sets include tap and die wrenches.

Thread Repairing Die Sets

Repair rusted or damaged external threads in a variety of sizes.

Thread Repairing Die and File Sets for Tight Spots

Renew external threads in a wide range of sizes. The dies in these sets have a narrower width than standard dies, making them a good choice for thread repair in tight spots.

Two-Piece Thread Repairing Die Sets

Clamp these dies around your workpiece, so you can start thread repair anywhere along the length of a bolt, stud, or rod.

Die Sets

Cut several sizes of external screw threads.

External Screw, Pipe, and Conduit
Thread Repairing File Sets

Four or six files and four handles are included in these sets.

Internal Thread Repairing File Sets

Restore bolt, hole, pipe, and conduit threading with this set of four files.