Metric-Thread Ball Screws And Nuts

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10 mm

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32 mm

Dynamic Thrust Load Capacity

1,000 lb. to 1,999 lb.

2,000 lb. to 9,999 lb.

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Maximum Backlash

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Number of Thread Starts

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Tip Material

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Thread Spacing

18 Products

Fast-Travel Ball Screws and Nuts


	Ball Nuts, Externally Threaded Nut, Style A	Ball Nuts, Externally Threaded Nut, Style B	Ball Nuts, Externally Threaded Nut, Style C

Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start. Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. To ensure compatibility, select components that have the same thread size and number of thread starts. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.

Externally Threaded Ball Nuts—Right-Hand Threaded


Style A	Style B	Style C

Carbon Steel—Carbon steel ball screws and nuts are case hardened, so they resist wear better than standard carbon steel. However, they are less corrosion resistant than black-oxide alloy steel screws and nuts.

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

	Thread Size	Lg., mm	Dia., mm	No. of Thread Starts	Travel Distance per Turn, mm	External Thread Size	Hardness	Dynamic Thrust Load Cap., lb.	Max. Backlash, mm	Temp. Range, ° F		Each
Carbon Steel



	A	M12	50	30	1	10	M25	Rockwell C56	1,000	0.02	32 to 150	4566N301	0000000


	B	M16	50	39	4	16	M30	Rockwell C56	1,500	0.04	32 to 150	4566N302	000000
	C	M32	90	53	4	32	M50	Rockwell C56	3,700	0.03	32 to 150	4566N303	000000

Tight-Clearance Self-Aligning Steel Swivel-Tip Set Screws

With a low-profile tip, these screws fit in compact assemblies, shallow mounting holes, and precision equipment where space is limited. The tip pivots to conform to your workpiece's surface without damaging it. Made of alloy steel, they're strong enough to hold components without wearing down.

	Drive Size, mm	Hardness		Each
Alloy Steel







	M5 × 0.8 mm

	9.5	2.2	9°	2.5	Rockwell C39	92123A101	000000


	15.5	2.2	9°	2.5	Rockwell C39	92123A103	00000
	24.5	2.2	9°	2.5	Rockwell C39	92123A105	00000




			M6 × 1 mm

			16	3.2	9°	3	Rockwell C39	92123A112	0000


			20	3.2	9°	3	Rockwell C39	92123A114	0000
			25	3.2	9°	3	Rockwell C39	92123A116	0000




					M8 × 1.25 mm

					20	4.5	9°	4	Rockwell C39	92123A121	00000


					25	4.5	9°	4	Rockwell C39	92123A123	00000
					30	4.5	9°	4	Rockwell C39	92123A125	00000




							M10 × 1.5 mm

							16	6	9°	5	Rockwell C39	92123A133	00000


							25	6	9°	5	Rockwell C39	92123A136	00000
							35	6	9°	5	Rockwell C39	92123A138	00000




									M12 × 1.75 mm

									16	7.2	9°	6	Rockwell C39	92123A141	00000


									30	7.2	9°	6	Rockwell C39	92123A145	00000
									40	7.2	9°	6	Rockwell C39	92123A147	00000