Top Shelf Grade Ten Point Nine Flat Head Socket Cap Screws 10-32 X Quarter Inch Hex Drive Machine Bolts Black Oxide Coarse Unc Killer Grip Ten Pack With Hex Spanner Solid Steel No Fluff Tool Kit

High strength black oxide hex socket countersunk screws
✔️ 10-32 pitch, 1/4 inch length, 1/8 hex drive, ten piece set

These flat head machine bolts bring serious grip to tight spaces and heavy duty builds. You will typically see them lined up inside machinery frames, electronic housings, and auto assembly rigs where a low profile fastener keeps things clean and secure. Each pack comes with ten solid units plus a matching hex spanner, making replacements or quick fixes a breeze.

✅ Drive type features a hex socket with a 3.17 mm or 1/8 inch inner diameter for direct wrench fit
✅ Total body measures 1/4 inch or 6.35 mm straight from nose to flat underside
✅ Coarse threading matches 10-32 UNC pattern with a 4.0 mm or 0.16 inch shank engagement zone
✅ Outer rim width hits 8 mm or 0.31 inch across the base to spread clamping pressure evenly
✅ Grade 10.9 carbon steel core delivers heavy pull capacity without flex under maximum torque
✅ Matte black oxide shield resists moisture while packaging adds a dedicated 1/8 inch spanner tool

💡 Are hex drive countersunk screws a worthy upgrade over standard slotted heads?
These handy fasteners save shop time and keep surfaces rock solid when you push them to the limit.
- Allen style recesses bite deep so your wrench stops slipping during high torque jobs
- Low profile heads sit flush against metal plates to prevent snagging or aerodynamic drag
- Heavy grade steel handles vibration cycles in engines and robotics without backing out