Heavy Duty 4-40 By 1/4 Inch Flat Socket Head Screws Featuring Countersunk Allen Heads Made From Top Shelf 304 Stainless Steel 18-8 Full Thread Length Bright Slick Finish Ready For Any Job Pack Of One Hundred Units

Buy Premium #4-40 1/4 Inch Countersunk Socket Head Screws
✔️ Pack of one hundred units measured at six point three five millimeters

You need sturdy fasteners that claw into tight spots and crush vibration. These countersunk screws bolt straight onto drones and gear frames. They take serious torque without chewing heads during assembly. A handy pick for tossing parts together before hitting the road.

✅ Coarse #4-40 threading grabs firmly into plastic and metal parts
✅ Six point three five millimeter length measures flat top down to tip
✅ Eighty two degree countersunk head sits perfectly level with surfaces
✅ Deep hex socket takes high load without rounding out under stress
✅ Solid thirty four chrome nickel alloy blocks rust and chemicals

💡 Why choose 304 stainless steel machine screws for outdoor electronic projects? This grade handles harsh moisture without pitting or breaking down. - Corrosion resistant fasteners protect sensitive circuit boards from salt air. - High tensile strength bolts keep heavy equipment aligned through storms. - Heat tolerant threads maintain consistent grip during intense motor runs. - Non magnetic components work safely near strong electromagnetic sensors.

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