{"product_id":"button-head-4-12","title":"Button Head M4×12MM Screw – Drone Fastening Bolt for FPV \u0026 UAV","description":"\u003ch1 data-path-to-node=\"3\"\u003eButton Head M4×16MM Screw – Drone Fastening Bolt for FPV \u0026amp; UAV\u003c\/h1\u003e\n\u003cp data-path-to-node=\"4\"\u003eWhen engineering long-range UAVs, enterprise surveying quadcopters, or professional heavy-lift cinema rigs, your structural fasteners determine your airframe’s lifespan. Drones operate in demanding aerodynamic conditions. High-torque brushless motors pass intense low-frequency vibrations throughout carbon fiber chassis. In this high-stress flight environment, loose or weak hardware leads to structural flexing, tracking drift, and catastrophic mid-air mechanical failures.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe industry-standard locking solution for rigid structural joints is the \u003cb data-path-to-node=\"5\" data-index-in-node=\"74\"\u003eButton Head M4×16MM Screw\u003c\/b\u003e. Engineered with a low-profile dome head and precision metric threads, this high-tensile structural drone fastening bolt delivers massive clamping power without adding unnecessary aerodynamic drag or weighing down your FPV quad.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"7\"\u003eWhy the M4×16MM Geometry Matters for UAVs\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eChoosing the wrong screw head creates severe design bottlenecks. Standard socket cap screws protrude too far, snagging easily on battery straps, external wiring looms, or field elements during hard landings.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe \u003cb data-path-to-node=\"9\" data-index-in-node=\"4\"\u003eM4×16MM Drone Fastening Bolt\u003c\/b\u003e 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.\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 Pressure Distribution:\u003c\/b\u003e The wide button head footprint prevents the screw from micro-fracturing or crushing premium woven carbon fiber plates under high torque.\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\"\u003eOptimized 16mm Length:\u003c\/b\u003e Provides the exact depth needed to cleanly pass through thick multi-layered frame plates, arm mounts, and heavy-duty landing gears to bite deeply into standoffs or locking nuts.\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\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,1,0\"\u003eButton Head Metric Screw \/ Bolt Series (M4×16)\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\"\u003eM4 Precision Metric Standard (4mm 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 Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,3,1,0\"\u003e16mm Threaded Shaft Length (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 Profile 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 Drive Interface)\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 Structural Alloy 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\"\u003eEliminating Flight Controller Gyro Noise\u003c\/h2\u003e\n\u003cp data-path-to-node=\"16\"\u003eLarge multirotor drones carry sensitive processing cores that handle complex navigation logic. Heavy component configurations depend on a completely rigid frame to interpret sensor data correctly. If structural frame screws are loose or flexing, raw motor vibrations bypass your isolation grommets. This causes massive data noise on your gyro sensor chip, leading to sudden mid-air drops or unexplainable flight twitches.\u003c\/p\u003e\n\u003cp data-path-to-node=\"17\"\u003eSecuring your core structural joints with this premium M4 drone part builds an iron-clad cage around your core systems. The unyielding clamping pressure locks your frame plates together as a single solid unit, ensuring your flight controller isolates background noise and your high-power video equipment outputs a crisp FPV feed.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"19\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"20\"\u003eWill this M4 screw fit standard 5-inch FPV racing drone kits?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003eNo. Standard 5-inch FPV mini-quads are built around lighter, smaller M3 hardware sets. This heavier M4×16mm size is custom-engineered for larger 7-inch, 10-inch, industrial surveying, or heavy-lift commercial UAV platforms that demand superior cross-sectional shear strength.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"22\"\u003eHow do you accurately measure the 16mm length on a button head bolt?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eIn metric button head configurations, the 16mm 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\"\u003eFortify your drone chassis with absolute precision. Add this premium M4×16MM button head screw kit to your cart today!\u003c\/b\u003e\u003c\/p\u003e","brand":"Droneyards","offers":[{"title":"Default Title","offer_id":54630099485044,"sku":"FY_Screw_Button Head 4*12\/007","price":9.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/6477\/2212\/files\/M5_X_25mm_Hex_Allen_Button_Head_High_Tensile_10.9_Black_oxide_screw_efe11202-959c-4c3a-b909-e6c6ae2f28a9.webp?v=1779262671","url":"https:\/\/www.fpvyards.in\/products\/button-head-4-12","provider":"FPV Yards","version":"1.0","type":"link"}