{"product_id":"button-head-3-30","title":"M3 x 30mm Button Head Screw – High Strength Steel Socket Head Fastener for Drone, Robotics \u0026 Electronics","description":"\u003ch1 data-path-to-node=\"3\"\u003eM3 x 30mm Button Head Screw – High Strength Steel Socket Head Fastener for Drone, Robotics \u0026amp; Electronics\u003c\/h1\u003e\n\u003cp data-path-to-node=\"4\"\u003eWhen engineering high-performance FPV racing drones, multi-layered robotic chassis, or highly condensed DIY electronic enclosures, structural fastening reliability dictates your system's survival. Modern multirotor aircraft subject their internal towers to severe high-frequency motor harmonics and intense G-forces during aggressive freestyle maneuvers or autonomous flight paths. Under these grueling operational conditions, low-grade hardware can easily slip, flex, or stretch, leading to loose frames, gyro signal noise, or total mid-air mechanical failure.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe ultimate extended-reach structural solution is the \u003cb data-path-to-node=\"5\" data-index-in-node=\"55\"\u003eM3 x 30mm Button Head Screw – High Strength Steel Socket Head Fastener for Drone, Robotics \u0026amp; Electronics\u003c\/b\u003e. Forged from premium structural-grade steel, this elongated metric bolt delivers massive clamping torque and high shear resistance across deep vertical profiles while maintaining a clean, streamlined look. Whether you are building a towering 30.5x30.5mm flight electronics stack, spanning multiple carbon fiber chassis plates, or assembling custom robotics servo grids, this premium drone part is engineered to build a rock-solid, slip-free mechanical foundation.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"7\"\u003eThe Mechanical Engineering Advantages of the 30mm Button Head Geometry\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eIn dense hardware layout assembly, choosing the wrong screw head styling can introduce severe design bottlenecks. Standard socket cap screws protrude significantly off the frame bed, creating sharp obstructions that can easily snag battery straps, fray power lines, or catch on environmental debris during hard field touchdowns.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe \u003cb data-path-to-node=\"9\" data-index-in-node=\"4\"\u003eM3 x 30mm button head steel screw\u003c\/b\u003e completely eliminates these design flaws:\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eLow-Drag Dome Shape:\u003c\/b\u003e Sits flush against the chassis surface, minimizing snags on battery wires and landing paths while preserving clean system aerodynamics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eUniform Clamping Footprint:\u003c\/b\u003e Spreads crushing forces uniformly to protect fragile woven carbon fiber plates or custom 3D-printed filaments from micro-fracturing under high tightening torques.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eContinuous 30mm Vertical Post:\u003c\/b\u003e Provides the exact vertical clearance needed to run a single, continuous anchoring post from the bottom of your drone chassis all the way to the top deck, maximizing structural rigidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"12\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Specification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003e\u003cb data-path-to-node=\"13,1,0,0\" data-index-in-node=\"0\"\u003eProduct Model Identifier\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003eM3 x 30mm Button Head Fastener Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,0,0\"\u003e\u003cb data-path-to-node=\"13,2,0,0\" data-index-in-node=\"0\"\u003eCore Thread Diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,2,1,0\"\u003eM3 Precision Metric Standard (3mm Width)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,0,0\"\u003e\u003cb data-path-to-node=\"13,3,0,0\" data-index-in-node=\"0\"\u003eFunctional Element Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e30mm Elongated Threaded Shaft (Excluding Head)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,0,0\"\u003e\u003cb data-path-to-node=\"13,4,0,0\" data-index-in-node=\"0\"\u003eHead Configuration Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,4,1,0\"\u003eLow-Profile Rounded Button Head (Hex Socket Drive)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,0,0\"\u003e\u003cb data-path-to-node=\"13,5,0,0\" data-index-in-node=\"0\"\u003eMaterial Build Quality\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,5,1,0\"\u003eHigh-Tensile Heavy-Duty Steel Composite\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,6,0,0\"\u003e\u003cb data-path-to-node=\"13,6,0,0\" data-index-in-node=\"0\"\u003eEnvironmental Protection\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,6,1,0\"\u003eWeatherproof Anti-Corrosion Surface Finish\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"15\"\u003eStabilizing Central Flight Towers for Peak Processing Efficiency\u003c\/h2\u003e\n\u003cp data-path-to-node=\"16\"\u003eYour drone's central electronics tower houses the most expensive components on your aircraft, including your main flight controller, high-current speed controllers, and sensitive radio receivers. This stack requires precise alignment to ensure that individual components do not shift and short-circuit against the highly conductive carbon fiber chassis.\u003c\/p\u003e\n\u003cp data-path-to-node=\"17\"\u003eUsing our premium M3 30mm fasteners to clamp the base of your electronics tower provides a perfectly square, unyielding mounting post. This tight clamping force isolates your delicate silicone vibration dampeners, allowing them to absorb motor oscillations efficiently. As a result, your flight controller receives a clean data stream free of background noise, and your high-power video transmitters output a beautiful, line-free FPV feed to your goggles.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"19\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"20\"\u003eIs this M3 screw compatible with standard 5-inch racing drones?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003eYes! The M3 thread diameter is the absolute global standard for 3-inch to 7-inch FPV drone assemblies. This 30mm length is specifically prized by builders who want to mount their entire flight electronics stack on a single set of continuous screws.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"22\"\u003eHow is the 30mm length measured on button head screws?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eIn metric button head engineering standards, the 30mm functional length is measured starting exactly from the flat underside of the rounded dome head down to the very tip of the threaded shaft. The thickness of the dome head itself is never included.\u003c\/p\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cb data-path-to-node=\"25\" data-index-in-node=\"0\"\u003eAchieve failure-proof structural clamping with high-strength hardware. Add this premium M3 x 30mm steel button head screw kit to your cart today!\u003c\/b\u003e\u003c\/p\u003e","brand":"Droneyards","offers":[{"title":"Default Title","offer_id":54618928513396,"sku":"FY_Screw_Button Head 3*30\/005","price":8.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/6477\/2212\/files\/M3_X_30mm_Hex_Allen_Button_Head_SS_304_Screw.webp?v=1778938185","url":"https:\/\/www.fpvyards.in\/products\/button-head-3-30","provider":"FPV Yards","version":"1.0","type":"link"}