Buying linear motion piece by piece is where most benchtop builds stall, so this HGR20 kit ships the whole axis at once: two 600-mm rails measuring 23.62 in, one ball screw, four HGH20CA ball-bearing slide blocks, BF12 and BK12 end supports, a high-load coupler and a corrosion-resistant nut housing. The rails are high carbon steel hardened to HRC58 through 62 and finished with an electroplated coating at least 10 microns thick, which is what keeps them from rusting in a humid basement shop between projects. Rated capacity is 27.76 kN, or 180 kg, static and 17.75 kN, or 116 kg, dynamic, so the axis carries a spindle and workpiece without sagging mid-travel. Precision comes from a 0.1 to 0.22 micron surface finish and 5 microns of straightness per 100 mm, which is what makes positioning repeat over the full 600-mm stroke instead of drifting cut after cut. The ball-bearing blocks grip the rail tightly and run with low friction and low noise, and pre-drilled holes at set diameter and spacing keep mounting straightforward.
Complete 12-Piece Axis Kit: Two 23.62-in 600-mm rails, a ball screw, four HGH20CA slide blocks, BF12 and BK12 end supports, a coupler and a nut housing ship together
180-kg Static 116-kg Dynamic: The set carries 27.76 kN or 180 kg static and 17.75 kN or 116 kg dynamic, so a loaded axis travels without sagging under the cut
0.1-Micron Surface Finish: A 0.1 to 0.22 micron surface finish and 5 microns of straightness per 100 mm hold positioning repeatable across the full 600-mm stroke
CNC Router Lathe Printer: The kit suits DIY CNC routers, mini lathes, milling machines, 3D printers, cutting machines and other industrial machine builds
HRC58 Carbon Steel Rails: High carbon steel rails hardened to HRC58 through 62 run with alloy steel slide blocks under a 10-micron electroplated anti-rust coating
Quiet Ball-Bearing Blocks: Built-in ball-bearing slide blocks grip the rail tightly and travel with low friction and low noise, cutting wear over repeated cycles
Pre-Drilled Mounting Holes: Rails arrive pre-drilled at set hole diameter and spacing, so the axis bolts down without laying out and drilling a new pattern
Specification: Rail Length: 23.62 in/600 mm; Static Motion Load Capacity: 27.76 kN/180 kg; Dynamic Motion Load Capacity: 17.75 kN/116 kg; Slide Block Type: HGH20CA; Straightness: 5 um/100 mm; Quantity: 2 x Rails, 4 x Slide Blocks, 1 x Ball Screw
