Heavy Duty M4 x 20mm Flat Head Socket Cap Self Tapping Screws Countersunk Wood Screws Made From 304 Stainless Steel 18-8 With Black Finish And Allen Hex Drive 50 Pack For Real World DIY Projects

Heavy Duty M4x20 Black Flat Head Self-Tapping Screws 50 Pack
✔️ M4 x 0.7, 20mm length, 304 stainless, black finish, hex drive

These flat head socket cap self-tapping screws are built from 304 stainless steel (18-8) with a black finish for durability and a low-profile look. Ideal for woodworking and light metal applications in DIY projects.

✅ Thread size M4-0.7; length 20mm; right-hand, full-thread
✅ Material: 304 stainless steel (18-8) with black finish
✅ Flat head countersunk design; hex drive for flush seating
✅ Pack of 50 screws for DIY projects

💡 What is a flat head self-tapping screw used for in DIY projects? Here's a handy overview for common uses and features. - Handy for flush mounting in wood and light metal - 304 stainless steel (18-8) offers good corrosion resistance - M4-0.7 thread with 20mm length fits thin panels - Allen hex drive helps prevent cam-out and speeds up driving