What size screws to use in the in the sliding blocks?

Hi friend, M5 size screws use to the sliding blocks,M4 size screws use to the rail.

How much weight can these rails support?

Hi, Thank you for your message. The rated load as follows: Dynamic Load:600 Static Load:1020

Is there a clamp stop that can be added to the rail? Or can the support be cut so a clamping collar can be attached to the rail?

This product is not equipped with clamp, but you can buy a clamp or a fixed ring to fix the slider, needn't to cut the rail.If you have any questions,please feel free to contact us.Thanks.

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Linear Rail SBR12 1000mm 2PCS Fully Supported Linear Rail Shaft Rod with 4PCS SBR12UU Blocks Bearing for Automated Machines DIY CNC Routers Lathes Mills

Linear Rail SBR12 1000mm 2PCS Fully Supported Linear Rail Shaft Rod with 4PCS SBR12UU Blocks Bearing for Automated Machines DIY CNC Routers Lathes Mills

Product ID: 75334482

📏1000mm precision length

⚙️4 high-durability SBR12UU blocks

🛡️Rust-proof oxidation treatment

Description

⚙️ Elevate your DIY CNC game with precision and durability!

RUST RESISTANT FINISH - Oxidation-treated surfaces maintain sleek performance and aesthetics
EFFORTLESS INSTALLATION - Pre-drilled aluminum alloy rails with included tools for quick setup
DURABLE METAL SHELL BEARINGS - High-quality wear-resistant blocks ensure long-lasting smooth motion
PRECISION ENGINEERED 1000 MM RAILS - Optimized length for versatile CNC and automation setups
VERSATILE INDUSTRIAL COMPATIBILITY - Perfect for CNC routers, lathes, mills, and advanced automated machinery

This Linear Rail SBR12 kit includes two 1000mm shafts and four SBR12UU bearing blocks, crafted with high-quality metal shells and rust-proof oxidation treatment. Designed for easy installation with pre-drilled aluminum rails and included tools, it delivers smooth, durable linear motion ideal for CNC routers, lathes, mills, and various automated machines.

Specifications

ASIN	B078Q55HPY
Best Sellers Rank	#225,364 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #263 in Linear Motion Guides
Date First Available	December 30, 2017
Item Weight	7.58 pounds
Manufacturer	CHUANGNENG

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