We currently only stock 2 start lead screw for the 3/8".

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looking for two start set screws 8dia * 40 long plus 2 * nuts

We currently only stock 2 start lead screw for the 3/8".

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how long are your lead screws 3/8 and how much ? looking for 3/8 see my previous question

I will check with some of our suppliers.

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I am looking for a lead screw with a 4mm lead, at least 4 starts and 36" in length, can you help me out?

We currently only stock 2 start lead screw for the 3/8".

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how long are your lead screws 3/8 and how much ? looking for 3/8 see my previous question what is the minimum length and how much per inch

The maximum length we can ship is a total of 78" inches. However we can send your required length in portions. Please refer to adding the total items you require to your cart to get a visualized amount and shipping cost.

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Regarding 1/2" 5 start and 10 TPI ACME precision lead screw, what the maximum length you can ship within USA? I'm looking for something like 100" and I could use a 1" screw if available. Please include estimated price. Thanks.

Depending on the size of your CNC machine, it will vary the length required for your application.
Please verify the CNC machine, and we can go into detail on the specific lengths or methods for the linear guide mechanics.

We sell our ACME Screw (1/2" per inch), also our longest length of ACME Screw is 76-3/4".

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Hi, I need the lead screw and bearings for x/y/z axis of the CNC. What is the length of "1/2" Lead Screw per inch (Steel)"?

Our 3/8" lead screws are available at a maximum length of 72". A screw at that diameter is is not the best solution at long lengths for machines that will spin that axis quickly since there will be screw whipping.

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hi. i need a 3/8 screw of 78 inches how much does it cost and do you have it?

If the turns per inch on a lead screw is different, then the nut on the lead screw will move at a different velocity.

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Let me explain in more detail.

Let's say you have two lead screws:

- 1/2" 5 starts at 10 TPI = 2 turns per inch. (5 starts / 10 TPI = 1/2 inches per turn or 10 TPI / 5 Starts = 2 turns per inch.)

- 3/8" 2 starts at 10 TPI = 5 turns per inch. (2 starts / 10 TPI = 1/5 inches per turn or 10 TPI / 2 starts = 5 turns per inch.)


So, if two stepper motors (one connected to the 1/2" lead screw and the other connected to the 3/8" lead screw) turned 10 revolutions in 2 seconds, the 1/2" lead nut would travel 5 inches and the 3/8" lead nut would travel 2 inches at the 2 second mark.

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If I buy the 1/2" 5 start lead screw and the 3/8" 5 start lead screws will it all work together

The price of the 1/2" 5 start lead screw can be found here (units are in inches):
https://buildyourcnc.com/item/mechanical-leadscrews-lead-screw-!5-5-starts-10-tpi

I did not include the price for this answer since the price may change from time to time.

For 6 feet of lead screw, the number of inches is 72, so simple multiple the price by 72.

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how much would a 6 foot 5 start lead screw cost?

Our 5 Start ACME screw is sold by the inch, and sold as a single product. No anti-backlash nuts are sold with the purchase of the ACME screw as the anti-backlash nut is sold separately.

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Does the 5 start lead screw come with any nuts?

If the turns per inch on a lead screw is different, then the nut on the lead screw will move at a different velocity.

Additional Information:
Let me explain in more detail.

Let's say you have two lead screws:

- 1/2" 5 starts at 10 TPI = 2 turns per inch. (5 starts / 10 TPI = 1/2 inches per turn or 10 TPI / 5 Starts = 2 turns per inch.)

- 3/8" 2 starts at 10 TPI = 5 turns per inch. (2 starts / 10 TPI = 1/5 inches per turn or 10 TPI / 2 starts = 5 turns per inch.)


So, if two stepper motors (one connected to the 1/2" lead screw and the other connected to the 3/8" lead screw) turned 10 revolutions in 2 seconds, the 1/2" lead nut would travel 5 inches and the 3/8" lead nut would travel 2 inches at the 2 second mark.

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Will the 1/2" 5 start lead screw and the 3/8" 5 start will it all work together in unison

If the turns per inch on a lead screw is different, then the nut on the lead screw will move at a different velocity.

Additional Information:
Let me explain in more detail.

Let's say you have two lead screws:

- 1/2" 5 starts at 10 TPI = 2 turns per inch. (5 starts / 10 TPI = 1/2 inches per turn or 10 TPI / 5 Starts = 2 turns per inch.)

- 3/8" 2 starts at 10 TPI = 5 turns per inch. (2 starts / 10 TPI = 1/5 inches per turn or 10 TPI / 2 starts = 5 turns per inch.)


So, if two stepper motors (one connected to the 1/2" lead screw and the other connected to the 3/8" lead screw) turned 10 revolutions in 2 seconds, the 1/2" lead nut would travel 5 inches and the 3/8" lead nut would travel 2 inches at the 2 second mark.

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Will the 1/2" 5 start lead screw and the 3/8" 5 start will it all work together in unison

No they will not come in that length as a default, we would contact the buyer to ask specific lengths due to the total length purchased.

However if you order the 1/2" lead screw we can get them cut to the specific length you require, by contacting us here or call us at 281-815-7701.

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If I order 19ft of the 1/2" lead screw will it come in three 6'5" lengths by default? This is what I need. Thanks

1/2" lead screw can be purchased in one length up to 77 inches (6 feet, 5 inches). Motors are found under the "Motion Electronics" menu, and gears can be found under "Mechanical Components".

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Hi! can i order a 6 ft long 1/2'' Lead screw with the motor and the gears with it?

We can supply 1/2" lead screw with a maximum continuous length of 77 inches.

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Please give me a cost on a 6'x 1/2" lead screw. Thank you

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no


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what is the total cost for 77 inches of 1/2 inch lead screw?


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what is the cost of 6 feet lead screw.

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Hi! can i order a 6 ft long 1/2'' Lead screw?

When buying any of our ACME screws, if the entire length or lengths is desired please send us an email or a call, to specify the actual length needed! But if no call or email is sent previous of the order then, we will give the customer a call or email to find the exact lengths that they will require.

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when buying 1.5m of 1/2" Lead Screw per inch (Steel) does it ship as a whole rod or do i need to specify what lengths i need?

The settings that will have to be change will be your steps per inch in motor tuning (mach 3), or settings/axes(planetCNC). But we do not have the actual numbers/specs that will fit your 10 TPI 5 start lead screw, here is a tutorial video which explains how to get the exact numbers you need! (

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I just changed my X and Y to the ACME 1/2" 5 start lead screw. What are the motor tuning numbers. I have the book built machine.

The bluchick CNC router is a perfect small format CNC that can handle most jobs. Please check here to see the latest information on this CNC router. blueChick CNC Machine. The machine can be purchased assembled. Al you will need is a computer and spindle.

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I'm looking for a complete CNC router, out the box ready to use system. Computer and software. What do you suggest? I need a working area of 12"x24"

To add CO2 laser functionality to your existing CNC machine, you will need everything listed on this page: https://www.buildyourcnc.com/LaserComponents.aspx

The number of mirrors and mirror mounts will depend where and at what orientation the laser tube will be mounted in the machine. There is already a mirror mount in the head/nozzle unit, so keep that in mind.

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I am looking at using a laser on my 6X6 3 axis table what do i need?