HGR20 700mm Linear Guide Rail Kit With RM1605 Ballscrew

HGR20 linear guide rail kit delivers smooth, accurate motion for DIY CNC routers, lathes, and mills while reducing friction and vibration. This 700 mm set combines two HGR20 rails with four sliding blocks plus an RM1605 ballscrew system for stable, repeatable travel. Built from carbon steel and GCr15 bearing steel with a chrome-plated surface, it’s designed for rigidity, wear resistance, and consistent performance in automation and precision equipment.

• Delivers smooth, low-noise linear motion with a low-friction guide system for precise positioning.


• Includes a complete motion set: 2 rails, 4 blocks, RM1605 ballscrew, ball nut, BF12/BK12 supports, plum coupling.


• Improves rigidity and durability with carbon steel rails and GCr15 bearing steel components.


• Simplifies mounting with pre-drilled rails and M4x16 mm fixing holes for straightforward alignment.


• Fits CNC builds and automation projects needing stable travel over 700 mm with consistent accuracy.

When your build needs clean travel and dependable accuracy, this linear slide rail and ballscrew combo helps you dial in motion without constant adjustments. The HGR20 profile supports stable load handling, while the RM1605 ballscrew setup supports controlled feed for CNC routing, milling, and custom automation. Ideal for makers upgrading from basic shafts or worn guides. Grab yours today and move your project from prototype to reliable performance.

• Rail type: HGR20 linear guide rail


• Rail length: 700 mm (27.5 in); Qty: 2 rails


• Blocks: 4 pcs


• Ballscrew: RM1605, length 700 mm; Ball nut: 1 pc


• Support kit: BF12/BK12; Coupling: plum coupling


• Material: Carbon steel rails; GCr15 bearing steel bearings; Chrome-plated surface


• Fixing screw hole size: M4 x 16 mm


• Allowable static torque: 0.17 kNm


• Static load rating: 25.31