--- product_id: 538112361 title: "M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs" brand: "nacx" price: "81 zΕ‚" currency: PLN in_stock: false reviews_count: 8 url: https://www.desertcart.pl/products/538112361-m8-x-20mm-stainless-steel-hex-socket-spring-ball-point store_origin: PL region: Poland --- # M8 x 20mm precision size Smooth hex socket, anti-skid design SUS304 stainless steel corrosion-proof M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs **Brand:** nacx **Price:** 81 zΕ‚ **Availability:** ❌ Out of Stock ## Summary > πŸ”§ Lock in precision, unlock your project’s potential! ## Quick Answers - **What is this?** M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs by nacx - **How much does it cost?** 81 zΕ‚ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/538112361-m8-x-20mm-stainless-steel-hex-socket-spring-ball-point) ## Best For - nacx enthusiasts ## Why This Product - Trusted nacx brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **15-Piece Set for Versatile Use:** Ideal for professionals who demand quality and quantity for multiple projects or repairs. - β€’ **Precision Engineered M8 x 20mm:** Perfectly sized for reliable fastening with a 1.25mm pitch thread for seamless integration. - β€’ **Premium SUS304 Stainless Steel:** Durable, rust-resistant, and wear-proof for long-lasting performance in any environment. - β€’ **Hex Socket Design for Maximum Grip:** Inner hexagon ensures uniform force distribution and prevents slipping during installation. - β€’ **Spring-Loaded Ball Point Mechanism:** Smooth rotation reduces friction and evenly distributes load, enhancing stability and precision. ## Overview This 15-piece set of M8 x 20mm stainless steel hex socket spring ball point grub screws combines precision engineering with premium SUS304 corrosion-resistant material. Featuring a smooth, anti-skid hex socket and a spring-loaded ball point for even load distribution, these screws deliver reliable fastening and durability for professional-grade applications. ## Description Specification: Product Name: Ball Point Screw Drive Type: Hex Socket Head Style: Socket Cap Head Thread Size: M8 x 20mm / 0.31" x 0.78"(D*L) Thread Pitch: 1.25mm/ 0.04” Total Length: 21mm / 0.82" Hex Socket: 4mm / 0.15" Ball Plunger Diameter: 5mm / 0.19" Color: Silver Material: 304 Stainless Steel Features: It is a set screw type ball roller with spring plunger function, the internal spring receives loads evenly even when the load is unbalanced. It can also be used as a general spring plunger with ball for fixing and locating the workpiece. The smooth rotation of the ball reduces friction between the main ball and receiving side. Set screw type ball transfer unitwith spring plunger function for upward facing applications. Package Included: 15 x Ball Point Screws Review: Exactly what I needed to repair a piece of equipment, smooth and clean - Couldn't get the part, hundreds of dollars, long delays, these things fixed a detent issue and got the project done in 15 minutes. Strong spring, smooth action, clean threads. Review: Excellent quality - These worked out great for my application. ## Features - Size: Diameter: 8mm/0.31”; Thread Length: 20mm/0.78”; Pitch: 1.25mm/ 0.04” - Material: SUS304 stainless steel, The combination of element forms a layer of dense oxidation covering film on the material surface, which is wear-resistant, rust-proof and anticorrosive. - Hex Socket: Inner hexagon, uniform force, not easy to skid, inside and outside are smooth and complete without burr. - Thread: Screw thread has the function of fastening, the spiral section is smooth, no residual, no burr, the thread is neat and clear. - Configuration: The stainless steel inner hexagonal bead screw (also called the marble machine, the ball plunger, the positioning bead screw) is a plunger-shaped assembly which is pressed by the spring, the bead and the shell through the interference fit. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09D9JTTMC | | Best Sellers Rank | #69,694 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #133 in Set Screws | | Brand | NACX | | Color | Silver | | Compatible groove diameter | 8 Millimeters | | Date First Available | August 21, 2021 | | Exterior Finish | Stainless Steel | | Fastener Size | M8 x 20mm | | Fastener Type | Machine Screw | | Head Style | Socket | | Head Type | Socket | | Item Diameter | 8 Millimeters | | Item Weight | 0.01 ounces | | Item model number | 394 | | Manufacturer | NACX | | Material | Stainless Steel | | Metal Type | Stainless Steel | | Number of Pieces | 15 | | Point Style | Ball Point | | Set Name | 15pcs | | Set Screw Thread Type | Metric | | Size | M8 x 20mm | | Thread Class | standard | | Thread Coverage | Fully Threaded | | Thread Size | M8 | | Thread Style | Right Hand | | Thread Type | Metric | ## Product Details - **Exterior Finish:** Stainless Steel - **Head Style:** Socket - **Material:** Stainless Steel - **Point Style:** Ball Point - **Thread Size:** M8 ## Images ![M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - Image 1](https://m.media-amazon.com/images/I/61Um04WoKNL.jpg) ![M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - Image 2](https://m.media-amazon.com/images/I/51VG6OKIwqL.jpg) ![M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - Image 3](https://m.media-amazon.com/images/I/51x2BGx3TfL.jpg) ![M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - Image 4](https://m.media-amazon.com/images/I/61Mhl9gHz0L.jpg) ![M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - Image 5](https://m.media-amazon.com/images/I/719LpKiaFmL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Exactly what I needed to repair a piece of equipment, smooth and clean *by T***R on July 3, 2024* Couldn't get the part, hundreds of dollars, long delays, these things fixed a detent issue and got the project done in 15 minutes. Strong spring, smooth action, clean threads. ### ⭐⭐⭐⭐⭐ Excellent quality *by S***0 on April 3, 2020* These worked out great for my application. ### ⭐⭐⭐⭐ βœ”οΈ *by M***N on December 27, 2025* Works ## Frequently Bought Together - M8 x 20mm Stainless Steel Hex Socket Spring Ball Point Grub Screws 15pcs - 20Pcs Ball Plunger, Ball Catch Latch Catcher, Ball Point Spring Plunger (Ο† 3x4) - 10pcs M4 Screw Thread Ball Spring Plungers Set Hex Socket Ball Plunger Carbon Steel Spring Plunger (M4x8) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/538112361-m8-x-20mm-stainless-steel-hex-socket-spring-ball-point](https://www.desertcart.pl/products/538112361-m8-x-20mm-stainless-steel-hex-socket-spring-ball-point) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-01*