Pack Of 50 4-40 X 1/2 Inch Stainless Steel Cup Point Socket Set Screws Featuring Secure Recessed Hex Drive And Quick Grip Design For Real World Builds And Tough Everyday Fixes
✔️ 18 8 alloy build 4 40 coarse pitch thread fully cut shank bundle
This headless fastener pairs a hex socket with a cup tip that grabs round shafts and flat pegs with zero play. Fabrication shops and gearheads grab these by the roll for holding down bearings, locking collars, and stabilizing moving links on custom rigs.
✅ 18 8 stainless steel construction fights rust and wear✅ Coarse 4 40 thread pitch bites deep into softer metals
✅ Full length threading provides maximum grip surface area
✅ Includes one point zero five inch hex key for quick installs
💡 What advantage does a cup point socket set screw offer over cone or flat profile designs?
This handy style delivers superior grip under constant rotational stress without stripping surrounding materials.
- Deep internal threading aligns perfectly with fine pitch shaft grooves for zero backlash torque transfer
- The hemispherical tip generates focused radial force that crushes microscopic surface imperfections quickly
- Selecting matching grade alloys prevents cross threading episodes when installing hardware in tight quarters
- Routine lubrication keeps the hex driving slots clean and stops galling during repetitive removal tasks