Heavy Duty 1/4-20 X 1/2 Inch Button Head Socket Cap Screws Grade 10.9 High Strength Alloy Steel Hex Drive Low Profile Machine Fasteners Built Tough Prime 50 Pack
Low Profile 1/4 20 Alloy Steel Socket Cap Bolts 50 Piece Kit
✔️ 1/4x1/2in Grade 10.9 Black Oxide Hex Drive Fasteners 50pk
These heavy duty socket head cap screws hold things tight for machinery repairs and custom fabrication jobs. The low profile button head sits flat against brackets to stop snagging and gives plenty of leverage when tightening. Grabbing fifty at a time makes storage easy for garage tweaks or shop fixtures.
✅ Thread size: 1/4-20 TPI (6.35mm)✅ Shank length: half inch (12.7mm)
✅ Button head dimensions: 0.437in diameter (11.1mm) and 0.132in height (3.4mm)
✅ Hex wrench drive: 0.156in slot (5/32in or 3.95mm)
💡 How to safely calculate max torque limits for high grade alloy steel socket screws?
- Material hardness sets the max pull limit so mechanics can crank down without worrying about sudden shearing during tough jobs.
- Thorough thread pitch matching prevents cross threading issues early on, saving time when swapping out worn hardware on older frames.
- Consistent surface plating stops surface rust from forming quickly, keeping mounts solid during exposure to road grime or damp conditions.