Keep Nuts | McMaster-Carr

	For Use In For Use In

Carbon Fiber

Fiberglass

Garolite

	Material Material

Plastic

Stainless Steel

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

10-24

1/4"-20

	Thread Type Thread Type

UNC

Metric

	Thread Pitch Thread Pitch

0.7 mm

0.8 mm

1 mm

	Installed Length Installed Length

	For Minimum Material Thickness For Minimum Material Thickness

	Rows of Teeth Rows of Teeth

	Color Color

	Gray
	White

	Thread Fit Thread Fit

Class 2B

Class 6H

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

DFARS Specialty Metals
COTS-Exempt

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21 Products

Press-Fit Threaded Inserts for Composites

Press these inserts into a drilled hole and the flexible metal teeth anchor them in the material. Use them with carbon fiber, fiberglass, and garolite. Made of stainless steel and nylon plastic, they have excellent corrosion resistance.

For technical drawings and 3-D models, click on a part number.

Inch

Inserts							Installation Tools
Thread Size	Installed Lg.	Rows of Teeth	Drill Bit Size	For Max. Hole Dia.		Each		Each
18-8 Stainless Steel and Nylon Plastic
10-24	0.236"	2	12 mm	12 mm	000000000	00000	000000000	000000
10-24	0.335"	4	12 mm	12 mm	000000000	0000	000000000	00000
1/4"-20	0.197"	1	12 mm	12 mm	000000000	0000	000000000	00000
1/4"-20	0.236"	2	12 mm	12 mm	000000000	0000	000000000	00000
1/4"-20	0.315"	4	12 mm	12 mm	000000000	0000	000000000	00000
1/4"-20	0.591"	4	12 mm	12 mm	000000000	0000	000000000	00000

Metric

Inserts								Installation Tools
Thread Size	Thread Pitch, mm	Installed Lg., mm	Rows of Teeth	Drill Bit Size	For Max. Hole Dia.		Each		Each
18-8 Stainless Steel and Nylon Plastic
M4	0.7	5	1	12 mm	12 mm	000000000	00000	000000000	000000
M4	0.7	6	2	12 mm	12 mm	000000000	0000	000000000	00000
M4	0.7	8.5	4	12 mm	12 mm	000000000	0000	000000000	00000
M5	0.8	5	1	12 mm	12 mm	000000000	0000	000000000	00000
M5	0.8	6	2	12 mm	12 mm	000000000	0000	000000000	00000
M5	0.8	8.5	4	12 mm	12 mm	000000000	0000	000000000	00000
M6	1	5	1	12 mm	12 mm	000000000	0000	000000000	00000
M6	1	6	2	12 mm	12 mm	000000000	0000	000000000	00000
M6	1	8.5	4	12 mm	12 mm	000000000	0000	000000000	00000
M6	1	15	4	12 mm	12 mm	000000000	0000	000000000	00000