--- product_id: 805825653 title: "uxcell 20pcs M4 x 15mm Male Thread Knurled Knobs, Thumb Screws Clamping Knobs Grip 14mm Plastic Round Head Hand Knobs Thumbscrews, Black" brand: "uxcell" price: "KSh7675" currency: KES in_stock: true reviews_count: 3 category: "Uxcell" url: https://www.desertcart.co.ke/products/805825653-uxcell-20pcs-m4-x-15mm-male-thread-knurled-knobs-thumb store_origin: KE region: Kenya --- # Ergonomic knurled grip M4 x 15mm precision thread Zinc-plated carbon steel stud uxcell 20pcs M4 x 15mm Male Thread Knurled Knobs, Thumb Screws Clamping Knobs Grip 14mm Plastic Round Head Hand Knobs Thumbscrews, Black **Brand:** uxcell **Price:** KSh7675 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your grip game — tighten with confidence, every time! ## Quick Answers - **What is this?** uxcell 20pcs M4 x 15mm Male Thread Knurled Knobs, Thumb Screws Clamping Knobs Grip 14mm Plastic Round Head Hand Knobs Thumbscrews, Black by uxcell - **How much does it cost?** KSh7675 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/805825653-uxcell-20pcs-m4-x-15mm-male-thread-knurled-knobs-thumb) ## Best For - uxcell enthusiasts ## Why This Product - Trusted uxcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth Plastic Finish:** Comfortable, sleek black knobs that combine aesthetics with functional ease of use. - • **Versatile 20-Pack Set:** Bulk quantity perfect for professionals needing reliable, frequent adjustments on machinery and equipment. - • **Precision M4 Threading:** Engineered for seamless compatibility and secure fastening across diverse industrial applications. - • **Durable Zinc-Plated Stud:** Corrosion-resistant carbon steel core ensures long-lasting strength and wear resistance. - • **Ergonomic Knurled Surface:** Textured grip design for effortless tightening and loosening without slipping. ## Overview The uxcell 20pcs M4 x 15mm knurled thumb screws feature precision M4 threading with a durable zinc-plated carbon steel stud for superior strength and corrosion resistance. Designed with an ergonomic knurled plastic head, these black clamping knobs provide a secure, slip-free grip ideal for frequent adjustments in industrial, woodworking, and instrumentation settings. This bulk set of 20 ensures you never run out of reliable fasteners for your professional projects. ## Description Specifications:Thread Size: M4 (0.7mm Pitch))Thread Length: 15mm / 0.59"Head Diameter: 14mm / 0.55"Total Length: 27mm / 1.06"Material: Carbon Steel, PlasticFinish: Zinc PlatedColor: BlackPackage Content: 20pcs x Knurled KnobsDescriptions:Zinc plated carbon steel threaded studs on knurled knobs ensure durability, strength, functionality and wear resistance. The tightly-in metal threaded stud can securely join components together, easy to install, suitable for various applications.The knurled texture on the surface provides better grip, making it easier to tighten or loosen the knob. The threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs.Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control. Durable plastic clamping knobs provide a smooth and beautiful surface as well as a comfortable grip.Knurled knobs with hand bolts are commonly used in applications that require frequent adjustments or tightening. Widely used in lathes, drill presses, sawing machines, packaging and woodworking machinery, printing, instrument and industrial equipment, and fixtures.Always tighten the knurled knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary. Review: Excellent for a telescope - I own a telescope and the parts that keep the lenses in place have small thumb screws that like to fall out sometimes. After losing one out in the middle of the desert one night, I started looking around for something with a larger knob so that it's easier to handle and I can see it if it falls out. These screws are ideal for my telescope. They are compatible with the old screws (which are standard on most telescopes), and fit perfectly. They make tightening the lenses down easier than the original screws. Review: Works Great. - I use these inconjuction with 3d printed parts. Works perfectly for this use. ## Features - Knurled Clamping Knobs: Thread Size: M4 (0.7mm Pitch); Thread Length: 15mm / 0.59"; Head Diameter: 14mm / 0.55"; Total Length: 27mm / 1.06"; 20pcs x Knurled Knobs. Safe and secure knurled thumb screws for the ultimate in adjusting and tightening control. - Hand Knob with Stud: The zinc plated carbon steel threaded stud on the knob ensure durability, strength, functionality and wear resistance. The tightly-in metal threaded stud can securely join components together, easy to install, suitable for various applications. - Features: The knurled texture on the surface provides better grip, making it easier to tighten or loosen the knob. Threads are neat and clear, the force is even and deep, not easy to slip, and there are no burrs. Durable plastic knobs provide a smooth and beautiful surface as well as a comfortable grip. - Applications: Knurled knobs are commonly used in applications that require frequent adjustments or tightening. Widely used in lathes, drill presses, sawing machines, packaging and woodworking machinery, printing, instrument and industrial equipment, and fixtures. - Tips: Always tighten the knurled knob securely to prevent any movement of the fixed assembly. Do not over-tighten the knob as this may damage or strip the threads in the mating assembly. Replace the knob if necessary. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNCQXSD8 | | Best Sellers Rank | #218,455 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) | | Brand | uxcell | | Colour | Black | | Customer Reviews | 4.8 out of 5 stars 19 Reviews | | Drive System | Thumb | | Exterior Finish | Zinc | | Fastener Size | M4 | | Fastener Type | Deck Screws | | Grade Rating | Standard | | Head Style | Knurled | | Head Type | Round | | Item Diameter | 4 Millimetres | | Item Weight | 0.08 Kilograms | | Manufacturer | uxcell | | Material | Carbon Steel Plastic | | Material Type | Carbon Steel Plastic | | Metal Type | Carbon Steel | | Model | a23102300ux0220 | | Number of Pieces | 20 | | Part Number | a23102300ux0220 | | Screw Head Style | Knurled | | Set Screw Thread Type | M | | Size Name | M4 x 15mm x 14mm | | Thread Class | standard | | Thread Coverage | Fully Threaded | | Thread Size | M4 | | Thread Style | Right Hand Fully Threaded M4 | | Thread Type | Metric | | Unit Count | 20.0 Count | ## Images ![uxcell 20pcs M4 x 15mm Male Thread Knurled Knobs, Thumb Screws Clamping Knobs Grip 14mm Plastic Round Head Hand Knobs Thumbscrews, Black - Image 1](https://m.media-amazon.com/images/I/61WnljGZCDL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent for a telescope *by R***T on 2 June 2026* I own a telescope and the parts that keep the lenses in place have small thumb screws that like to fall out sometimes. After losing one out in the middle of the desert one night, I started looking around for something with a larger knob so that it's easier to handle and I can see it if it falls out. These screws are ideal for my telescope. They are compatible with the old screws (which are standard on most telescopes), and fit perfectly. They make tightening the lenses down easier than the original screws. ### ⭐⭐⭐⭐⭐ Works Great. *by B***H on 28 May 2025* I use these inconjuction with 3d printed parts. Works perfectly for this use. ### ⭐⭐⭐⭐⭐ Great *by G***7 on 31 March 2024* I used these with threaded magnets. Turned out great. I also used threadlock to secure the threads. --- ## 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.co.ke/products/805825653-uxcell-20pcs-m4-x-15mm-male-thread-knurled-knobs-thumb](https://www.desertcart.co.ke/products/805825653-uxcell-20pcs-m4-x-15mm-male-thread-knurled-knobs-thumb) --- *Product available on Desertcart Kenya* *Store origin: KE* *Last updated: 2026-08-07*