Metric Steel Precision Acme Rods

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23 Products

Metric Precision Lead Screws and Nuts

Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. 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 direction, size, and number of thread starts.

Lead Screws—Right-Hand Thread

1018 Low-Carbon Steel—Carbon steel lead screws and flanges have good machinability.

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.

	Lg., mm	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Thread Fit	Hardness	Tensile Strength, psi	Specs. Met		Each
1018 Low-Carbon Steel



	M10 × 2 mm	250	Metric Trapezoidal	1:1	1	2	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K71	000000


	M10 × 2 mm	500	Metric Trapezoidal	1:1	1	2	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K72	00000
	M10 × 2 mm	750	Metric Trapezoidal	1:1	1	2	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K73	00000
	M10 × 2 mm	1,750	Metric Trapezoidal	1:1	1	2	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K1	00000
	M12 × 3 mm	500	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K74	00000
	M12 × 3 mm	1,000	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K75	00000
	M12 × 3 mm	1,750	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K2	00000
	M16 × 3 mm	500	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K76	00000
	M16 × 3 mm	1,000	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K77	00000
	M16 × 3 mm	1,750	Metric Trapezoidal	1:1	1	3	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K4	00000
	M20 × 4 mm	500	Metric Trapezoidal	1:1	1	4	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K78	00000


	M20 × 4 mm	1,000	Metric Trapezoidal	1:1	1	4	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K79	00000
	M20 × 4 mm	1,750	Metric Trapezoidal	1:1	1	4	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K6	000000
	M24 × 5 mm	500	Metric Trapezoidal	1:1	1	5	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K81	00000
	M24 × 5 mm	1,000	Metric Trapezoidal	1:1	1	5	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K82	00000
	M24 × 5 mm	1,750	Metric Trapezoidal	1:1	1	5	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K7	000000
	M28 × 5 mm	1,000	Metric Trapezoidal	1:1	1	5	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K83	00000
	M28 × 5 mm	1,750	Metric Trapezoidal	1:1	1	5	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K84	000000
	M40 × 7 mm	1,000	Metric Trapezoidal	1:1	1	7	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	85,000	DIN 103	7549K85	000000
	M40 × 7 mm	1,750	Metric Trapezoidal	1:1	1	7	±0.15 mm/300 mm	Metric Trapezoidal Class 8e	Brinell 150	70,000	DIN 103	7549K12	000000

Metric Ultra-Precision Lead Screws and Nuts

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.

Lead Screw—Right-Hand Thread

4140 Alloy Steel—Alloy steel lead screws are hard and strong.

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.

	Lg., mm	Thread Type	Speed Ratio	No. of Thread Starts	Travel Distance per Turn, mm	Accuracy for Travel Distance per Turn	Hardness	Tensile Strength, psi		Each
4140 Alloy Steel



	M8 × 1.5 mm	100	Metric Rounded Trapezoidal	1:1	1	1.5	±0.089 mm/300 mm	Brinell 200	125,000	7549K55	000000


	M8 × 1.5 mm	200	Metric Rounded Trapezoidal	1:1	1	1.5	±0.089 mm/300 mm	Brinell 200	125,000	7549K56	00000
	M8 × 1.5 mm	300	Metric Rounded Trapezoidal	1:1	1	1.5	±0.089 mm/300 mm	Brinell 200	125,000	7549K57	00000