Rethreading Files | McMaster-Carr

	System of Measurement System of Measurement

Metric

Inch

	For Use On For Use On

	Thread Pitch Thread Pitch

1 mm

1.25 mm

1.5 mm

	Thread Type Thread Type

UNC

UNF

Metric

	Thread Size Thread Size

	Individual/Set Individual/Set

Set

Individual

	Number of Pieces Number of Pieces

	File Sizes Included File Sizes Included

For 11 to 24 threads per inch

For 0.8 to 3 mm thread
pitches

For 9 to 32 threads per inch

	Number of Dies Number of Dies

	For Threads per Inch For Threads per Inch

11 1/2

	For Thread Location For Thread Location

External

Internal

	Number of Files Number of Files

	For Thread Pitch For Thread Pitch

	Width Width

	Overall Length Overall Length

8 3/8"

9 1/4"

10"

	Thickness Thickness

3/8"

7/16"

	Container Type Container Type

Plastic Case

Plastic Pouch

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	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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19 Products

Internal Thread Repairing File Sets

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

For Internal and External Threads
No. of Pieces	For Threads per Inch	For Thread Pitch, mm	Overall Lg.	Material	Container Type		Each
4	8, 9, 10, 11, 11 1/2, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32	0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3	9 1/4"	Steel	Plastic Pouch	0000000	0000000

Internal Thread Repairing Files

One file restores a range of thread sizes in most hole diameters.

For Internal and External Threads
For Threads per Inch	For Thread Pitch, mm	Wd.	Thick.	Overall Lg.	Material		Each
__	0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3	3/8"	3/8"	9 1/4"	Steel	0000000	000000
9, 10, 12, 16, 20, 27, 28, 32	__	3/8"	3/8"	9 1/4"	Steel	0000000	00000
11, 12, 13, 14, 16, 18, 20, 24	__	3/8"	3/8"	9 1/4"	Steel	0000000	00000

Internal Pipe and Conduit Thread Repairing Files

Repair rusted and damaged threads in pipe and conduit. These files are for use in most hole diameters.

Optional file handles slip over the file to provide a comfortable grip.

Files							File Handles
For Threads per Inch	Wd.	Thick.	Overall Lg.	Material		Each	Pkg. Qty.		Pkg.
For Internal Threads
8, 10	7/16"	7/16"	10"	Steel	0000000	000000	6	0000000	00000
8, 11 1/2	7/16"	7/16"	10"	Steel	0000000	00000	6	0000000	0000
10, 14	7/16"	7/16"	10"	Steel	0000000	00000	6	0000000	0000
For Internal and External Threads
8, 10, 11 1/2, 14, 16, 18, 24, 27	3/8"	3/8"	9 1/4"	Steel	0000000	00000	__	000000	00

External Screw Thread Repairing Files

Repair rusted and damaged threads on any diameter bolt, stud, or rod. Thread sizes are marked on each file.

Optional file handles slip over the file to provide a comfortable grip.

Files								File Handles
For Threads per Inch	For Thread Pitch, mm	Wd.	Thick.	Overall Lg.	Material		Each	Pkg. Qty.		Pkg.
9, 10, 12, 16, 20, 27, 28, 32	__	7/16"	7/16"	8 3/8"	Steel	0000000	000000	6	0000000	00000
11, 12, 13, 14, 16, 18, 20, 24	__	7/16"	7/16"	8 3/8"	Steel	0000000	00000	6	0000000	0000
__	0.8, 1, 1.25, 1.5, 1.75, 2, 2.5, 3	7/16"	7/16"	8 3/8"	Steel	0000000	00000	6	0000000	0000

External Screw, Pipe, and Conduit Thread Repairing File Sets

Multiple files and handles are included in these sets. Use them to repair screw, pipe, and conduit threads.

Number of Pieces	For Threads per Inch	Overall Lg.	Material	Includes	Container Type		Each
6	8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32	8 3/8"	Steel	Three Plastic Handles	Plastic Case	0000000	000000
9	8, 9, 10, 11, 11 1/2, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32	8 3/8"	Steel	Four Plastic Handles	Plastic Case	0000000	00000

External Pipe and Conduit Thread Repairing Files

One file restores pipe and conduit threads in many sizes. Thread sizes are marked on each file.

Optional file handles slip over the file to provide a comfortable grip.

Files							File Handles
For Threads per Inch	Wd.	Thick.	Overall Lg.	Material		Each	Pkg. Qty.		Pkg.
8, 10, 11 1/2, 14, 16, 18, 24, 27	7/16"	7/16"	8 3/8"	Steel	0000000	000000	6	0000000	00000
8, 10, 11 1/2, 14	7/8"	7/16"	8 3/8"	Steel	0000000	00000	__	000000	00

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. They're hex shaped for use with conventional wrenches.

Carbon Steel
Number of Pieces	Die Sizes Included	File Sizes Included	Container Type		Each
Right-Hand Thread
13	M6 × 1.00 mm (11 mm Wd.), M6 × 1.25 mm (11 mm Wd.), M8 × 1.00 mm (14 mm Wd.), M8 × 1.25 mm (14 mm Wd.), M8 × 1.50 mm (14 mm Wd.), M10 × 1.00 mm (18 mm Wd.), M10 × 1.25 mm (18 mm Wd.), M10 × 1.50 mm (18 mm Wd.), M12 × 1.25 mm (19 mm Wd.), M12 × 1.50 mm (19 mm Wd.), M14 × 1.25 mm (21 mm Wd.), and M14 × 1.50 mm (21 mm Wd.)	For 0.8 to 3 mm thread pitches	Plastic Case	0000000	000000
15	1/4"-20 (7/16" Wd.), 1/4"-28 (7/16" Wd.), 5/16"-18 (1/2" Wd.), 5/16"-24 (1/2" Wd.), 3/8"-16 (9/16" Wd.), 3/8"-24 (9/16" Wd.), 7/16"-14 (11/16" Wd.), 7/16"-20 (11/16" Wd.), 1/2"-13 (3/4" Wd.), 1/2"-20 (3/4" Wd.), 9/16"-12 (7/8" Wd.), 9/16"-18 (7/8" Wd.), 5/8"-11 (15/16" Wd.), and 5/8"-18 (15/16" Wd.)	For 11 to 24 threads per inch	Plastic Case	0000000	00000
18	1/4"-20 (7/16" Wd.), 1/4"-28 (7/16" Wd.), 5/16"-18 (1/2" Wd.), 5/16"-24 (1/2" Wd.), 3/8"-16 (9/16" Wd.), 3/8"-24 (9/16" Wd.), 7/16"-14 (11/16" Wd.), 7/16"-20 (11/16" Wd.), 1/2"-13 (3/4" Wd.), 1/2"-20 (3/4" Wd.), 9/16"-12 (7/8" Wd.), 9/16"-18 (7/8" Wd.), 5/8"-11 (15/16" Wd.), 5/8"-18 (15/16" Wd.), 3/4"-10 (1 1/16" Wd.), and 3/4"-16 (1 1/16" Wd.)	For 9 to 32 threads per inch, For 11 to 24 threads per inch	Plastic Case	0000000	00000