--- product_id: 287261783 title: "2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills" brand: "creabygirls" price: "¥29657" currency: JPY in_stock: true reviews_count: 4 category: "Creabygirls" url: https://www.desertcart.jp/products/287261783-2pcs-hgr20-300mm-linear-rail-1pcs-rm1605-300mm-ballscrew-bf12 store_origin: JP region: Japan --- # 300mm precision length Smooth ball screw tech HRC62 hardened steel 2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills **Brand:** creabygirls **Price:** ¥29657 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your CNC game with precision that commands respect! ## Quick Answers - **What is this?** 2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills by creabygirls - **How much does it cost?** ¥29657 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/287261783-2pcs-hgr20-300mm-linear-rail-1pcs-rm1605-300mm-ballscrew-bf12) ## Best For - creabygirls enthusiasts ## Why This Product - Trusted creabygirls brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth Operator:** Ball screw design eliminates stick-slip, reducing heat and power consumption for efficient performance. - • **Precision Perfected:** Achieve ultra-accurate linear motion with ±0.0005 tolerance for flawless CNC builds. - • **Versatile Powerhouse:** Ideal for DIY CNC routers, lathes, mills, and industrial automation—future-proof your workshop. - • **Rock-Solid Durability:** Crafted from HRC62 hardened carbon and GCr15 bearing steel for long-lasting rust resistance. - • **Effortless Installation:** Pre-drilled steel rails and complete mounting hardware make setup a breeze—no guesswork needed. ## Overview This 2-piece HGR20 300mm linear rail and RM1605 300mm ball screw set delivers high-precision, low-friction linear motion engineered from hardened steel with chrome plating for superior durability and rust resistance. Designed for easy installation with pre-drilled mounting holes and complete hardware, it ensures smooth, stick-slip-free operation ideal for DIY CNC routers, lathes, mills, and industrial automation applications. ## Description 2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills: desertcart.com: Industrial & Scientific Review: Very good quality - I haven’t been able to install it but it looks very steady and all parts they advertised are there! Review: Gritty, - be careful unpacking, carriages are mounted on rails. super gritty feeling even after cleaning up the factory packing grease. Machined surfaces flash rusted while soaking in IPA as recommended on several youtube videos to degrease the cheap import carriages. Rails are straight Was able to get to +/- 0.0005 when. Comes with hardware to mount rails, but not the ball screw bearing blocks ## Features - HGR20 300 mm Linear Guide Rail and RM1605 Ballscrew: This linear guide rail set includes 2 pieces of HGR20-300 mm linear guide rail, 4 blocks, 1pcs RM1605-300 mm ball screw with end machined, 1pcs RM1605 ball nut,1 set BK12/BF12 end support,1 x coupler, 1 x DSG16H nut housing - CONVENIENCE: Steel support rail with pre-drilled holes for easy mounting. Stainless steel Linear optical axis guide bearings linear movement. Easy to install, no need for maintenance.The ballscrew movement without stick-slip effect, less heats up, less drive power required - HIGH-QUALITY STEEL MATERIAL: Linear guides are made of carbon steel, linear bearings made of GCr15 bearing steel. Surface chrome plating treatment beautiful anti-rust, hardness can as high as HRC62, more durable - HIGH PRECISION: Motor-driven guide rail achieves high precision linear motion. Designed to achieve high precision linear motion, low friction coefficient. Ball screw use the ball movement with small starting torsion, it does not appear a sliding motion creeping phenomenon which can ensure accurate positioning - WIDE APPLICATION: The linear rail and ball screw kit is widely used in the automation machinery such as DIY CNC routers,lathes, machine tool, bending machines, laser welding machines, etc. Also applicable for large-scale transmission equipment including industrial robots, cracker machines, and many other machines that need precision linear movement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Q3QP9Q4 | | Date First Available | December 9, 2020 | | Item Weight | 9.55 pounds | | Item model number | 581UM41702UJB | | Manufacturer | Creabygirls | | Package Dimensions | 13.07 x 6.46 x 3.94 inches | ## Images ![2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills - Image 1](https://m.media-amazon.com/images/I/71iogqz3oML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very good quality *by M***O on July 16, 2023* I haven’t been able to install it but it looks very steady and all parts they advertised are there! ### ⭐⭐⭐ Gritty, *by C***S on November 26, 2023* be careful unpacking, carriages are mounted on rails. super gritty feeling even after cleaning up the factory packing grease. Machined surfaces flash rusted while soaking in IPA as recommended on several youtube videos to degrease the cheap import carriages. Rails are straight Was able to get to +/- 0.0005 when. Comes with hardware to mount rails, but not the ball screw bearing blocks ### ⭐ Find a different kit. This isn’t it. *by R***R on March 28, 2021* Product doesn’t line up with rails and screw drive. Have to shim. Not a good kit. I had to shim with about $10 of extra metal. ## Frequently Bought Together - 2PCS HGR20-300mm Linear Rail + 1PCS RM1605-300mm Ballscrew with BF12/BK12 Kit, DSG16H Nut Housing, Coupling, Slide Blocks Linear Guide Rail Ball Screw Set for DIY CNC Routers Lathes Mills - Linear Guide Rail 2 X HGR 20-1500mm Linear Slide Rail + 4 X Bearing Blocks Linear Guideway Rail for DIY CNC Routers Lathes Mills - STEPPERONLINE High Torque Nema 23 CNC Stepper Motor 114mm 425oz.in/3Nm CNC Mill Lathe Router --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/287261783-2pcs-hgr20-300mm-linear-rail-1pcs-rm1605-300mm-ballscrew-bf12](https://www.desertcart.jp/products/287261783-2pcs-hgr20-300mm-linear-rail-1pcs-rm1605-300mm-ballscrew-bf12) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-17*