M7 Shafts | McMaster-Carr

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4 Products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications, from mounting I-beams to suspending light fixtures.

Low-Strength Steel

With a tensile strength of 50,000 psi or 60,000 psi, these rods are often used to suspend light fixtures, cable trays, and conduit from ceilings. They're about half the strength of medium-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also low-strength steel.

Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.

	Specs. Met	Pkg. Qty.		Pkg.
Zinc-Plated Steel







	M7 × 1 mm

	1	50,000	Rockwell B49	DIN 976	1	93000A615	000000

Metric Ultra-Precision Lead Screws and Nuts


	Style B

Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these provide increased nut life and more reliable movement in automated systems. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest. To ensure compatibility, select components that have the same thread size, thread type, thread size, thread pitch, and number of thread starts.

Externally Threaded Nuts—Right-Hand Thread

Style B

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.

										External Thread
	Style	Thread Size	Lg.	Wd.	Ht.	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Size	Lg.	Hardness	Tensile Strength	Dynamic Thrust Load Cap., lb.		Each
PEEK



		B	M3 × 0.5 mm	13/32"	0.311"	0.276"	Metric Rounded Trapezoidal	1:1	1	0.5	M7 × 0.75 mm	5/32"	Durometer 83D	Not Rated	5	90500A230	000000

Metric Fast-Travel Ultra-Precision Lead Screws and Nuts


	Style C

Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start. Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these lead screws and nuts provide increased nut life and more reliable movement in automated systems. To ensure compatibility, select components that have the same thread size and number of thread starts.

Externally Threaded Nuts—Right-Hand Thread

Style C

Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.

										External Thread
	Style	Thread Size	Lg.	Wd.	Ht.	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Size	Lg.	Hardness	Tensile Strength	Dynamic Thrust Load Cap., lb.		Each
PEEK



		C	M3 × 0.5 mm	13/32"	0.311"	0.276"	Metric Rounded Trapezoidal	2:1	2	1	M7 × 0.75 mm	5/32"	Durometer 83D	Not Rated	4	4537N164	000000


		C	M3 × 0.5 mm	13/32"	0.311"	0.276"	Metric Rounded Trapezoidal	6:1	6	3	M7 × 0.75 mm	5/32"	Durometer 83D	Not Rated	4	4537N165	00000