M4 Swivels | McMaster-Carr

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	System of Measurement System of Measurement

Metric

	Thread Size Thread Size	Show

	Thread Size Thread Size	Hide

	Thread Type Thread Type

Metric

	Material Material

Steel

Stainless Steel

	Finish Finish

Black Oxide

	Length Length

22mm

	Diameter Diameter

4mm

	Hole Diameter Hole Diameter

2.5mm

	Thread Direction Thread Direction

Right Hand

	Thread Length Thread Length

16mm

	Thread Spacing Thread Spacing

Coarse

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

DFARS Specialty Metals
COTS-Exempt

	Thread Pitch Thread Pitch

0.7 mm

	Anchor Type Anchor Type

	Stud

	Thread Fit Thread Fit

Class 6g

	Hex Size Hex Size

4 Products

Corrosion-Resistant Swiveling Extension Spring Stud Anchors

These stainless steel anchor studs offer excellent corrosion resistance. The head swivels 360° so the spring stays straight and properly coiled. Attach an extension spring to a stud and then thread the stud into your part for a secure connection. To make tightening easier, anchors have a hex socket on the bottom and wrench flats at the top of the threads.

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

Metric

Thread
Size	Pitch, mm	Min. Lg., mm	Lg., mm	Dia., mm	Hole Dia., mm	Hex Size, mm	Material		Each
M4	0.7	16	22	4	2.5	1.3	18-8 Stainless Steel	000000000	000000

Swiveling Extension Spring Stud Anchors

A black-oxide finish provides these steel anchors with mild corrosion resistance. The head swivels 360° so the spring stays straight and properly coiled. Attach an extension spring to a stud and then thread the stud into your part for a secure connection. To make tightening easier, anchors have a hex socket on the bottom and wrench flats at the top of the threads.

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

Metric

Thread
Size	Pitch, mm	Min. Lg., mm	Lg., mm	Dia., mm	Hole Dia., mm	Hex Size, mm	Material		Each
M4	0.7	16	22	4	2.5	1.3	Black-Oxide Steel	000000000	000000

Corrosion-Resistant Extension Spring Stud Anchors

These stainless steel anchor studs offer excellent corrosion resistance. Attach an extension spring to a stud and then thread the stud into your part for a secure connection.

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

Metric

Thread
Size	Pitch, mm	Min. Lg., mm	Lg., mm	Dia., mm	Hole Dia., mm	Material	Anchor Type		Each
M4	0.7	16	22	4	2.5	18-8 Stainless Steel	Stud	000000000	00000

Extension Spring Stud Anchors

A black-oxide finish provides these steel anchors with mild corrosion resistance. Attach an extension spring to a stud and then thread the stud into your part for a secure connection.

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

Metric

Thread
Size	Pitch, mm	Min. Lg., mm	Lg., mm	Dia., mm	Hole Dia., mm	Material		Each
M4	0.7	16	22	4	2.5	Black-Oxide Steel	0000000	00000