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GUWANJI 2Pcs SBR16-2000mm Linear Rail Guide + 4Pcs SBR16UU Square Type Slide Bearing Block, 16mm Linear Rail Overall Length 78.7 inch/2000mm for Fully Supported Linear Rail

Q: What is the thread size for the blocks? I think they're M5 but what is the thread number?

My blocks were M5 x 0.8 on the four top mounting holes. Be careful when mounting these as the center-to-center distance is 2 mm difference between the width and length run on the blocks. My M5 holes (4) were not drilled properly and gave the block an angled "run" down the rail. You can't correct this. The only option was to drill the matching holes over size to compensate for the alignment. I ordered an assortment of M5 cap head screws from Amazon in various lengths. This M5 set was very helpful during assembly.

Q: Can the rails be attached to the ceiling? Will it support a downward pulling force on the sliding blocks?

I wouldn’t do it. The bearings are only on the top of the bushings

Q: Do you have cad files for the linear guides?

Just google the SBR specification. The hole pattern is a perfect rectangle 32mm center-to-center in width (across the rail), and 30mm in length. Screw size is M5, no more than 12mm in length.

Q: how much weight can these carry?

These rails are strong and should support at least 40 pounds of downward pressure. The rails are also based on the support underneath. I used these rails as cross spans on my router sled. I used an all-aluminum mount for my 3 1/4HP Makita router and had excellent results. It was sturdy with little if any sagging or deflection in the middle of the travel.

4.2/5

Product ID: 750898285

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Frequently Bought Together

GUWANJI 2Pcs SBR16-2000mm Linear Rail Guide + 4Pcs SBR16UU Square Type Slide Bearing Block, 16mm Linear Rail Overall Length 78.7 inch/2000mm for Fully Supported Linear Rail

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Description

GUWANJI 2Pcs SBR16-2000mm Linear Rail Guide + 4Pcs SBR16UU Square Type Slide Bearing Block, 16mm Linear Rail Overall Length 78.7 inch/2000mm for Fully Supported Linear Rail

Have a Question? See What Others Asked

What is the thread size for the blocks? I think they're M5 but what is the thread number?

Can the rails be attached to the ceiling? Will it support a downward pulling force on the sliding blocks?

Do you have cad files for the linear guides?

how much weight can these carry?

Common Questions

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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