M6 X 20mm Flat Head Socket Cap Screws Set Alloy Steel Grade 10.9 Black Oxide Finish DIN 7991 Hex Drive 4mm Countersunk Bolts For Precise Assemblies 25 Pieces Suitable For Machinery Housings Automotive Fittings Metal Fabrication And DIY Projects

Premium M6 x 20mm flat head socket screws, DIN 7991
✔️ 6mm dia x 20mm L, 1.0mm pitch, 4mm hex drive, 25 pcs

These flat head socket cap screws are strong, corrosion resistant fasteners made from alloy steel grade 10.9 with a black oxide finish. They comply with DIN 7991 and are perfect for flush mounting in furniture, electronics enclosures, and wooden assemblies where a clean surface matters.

✅ Thread Diameter: 6mm
✅ Pitch: 1.0mm
✅ Length (overall): 20mm
✅ Drive: Allen Hex Socket 4mm
✅ Material: Alloy Steel Grade 10.9
✅ Finish: Black Oxide
✅ Pack: 25 pieces with matching nut & washer

💡 What is a common use case for flat head socket screws in everyday projects?

Flat head socket screws are handy when you need a flush surface in projects like cabinetry or electronics enclosures.

• Ideal for concealed fastenings where a clean surface matters
• Pairs well with matching nuts and washers for sturdy joints
• Suitable for wood and metal assemblies in DIY and professional work
• Black oxide finish helps resist light corrosion in moisture-prone environments