Button Head Socket Cap Screw
TTC Button Head Socket Cap Screw - Overall Length: 20mm   Package Qty: 100   DIAMETER & PITCH: 5mm & 0.80 Pitch   Key Size: 3mm   Thread Fit: Unified 3A thread fit.

Button Head Socket Cap Screw

Item #: 71-405-723
Brand: TTC
System of Measurement: Metric
Thread Size: M5x0.80
Overall Length: 20mm

Technical Documents & Manuals

Durable heat treated alloy steel for improved performance


  • Designed for light duty application such as securing guards, covers and ornamental fixtures.
  • Button heads present a pleasing appearance to an assembly.


  • Unified standard threads are Class 3A UNRC and UNRF with Holo-Krome controlled radius roots and radiused run-out.
  • Closely controlled fillet between head and body provides maximum fatigue strength.
  • Inch or metric sizes.
  • UNC: coarse thread series
  • UNF: fine thread series


All Items Sold In Package Quantity Only.
TTC Metric Heat Treated Alloy Steel Button Head Socket Cap Screw
Product Specifications
Brand TTC
System of Measurement Metric
Thread Size M5x0.80
Overall Length 20mm
Key Size 3mm
Limited Supply *
No. of Pieces in Pack 100
Diameter_Pitch M5-0.8
Drive Size 3mm
Type Button Head Socket Cap Screw
Head Type Button
Length Under Head 20mm
Material Alloy Steel
Prop. 65 Yes
Thread Fit Unified 3A
Tool Material Durable heat treated alloy steel
Weight 0.0073 lbs.
Country of Origin GENERIC/MIXED BIN
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.