Sunex 420MS Square Impact Socket, 3/4 inch Drive, 20 mm

Sunex 420MS Square Impact Socket, 3/4 inch Drive, 20 mm

• The Sunex 420MS square impact socket, with 3/4-inch drive and 20 mm square opening, is forged from chrome-molybdenum alloy steel with a radius-corner design and black phosphate finish to enhance strength, preserve fasteners, and resist corrosion.
• Features:
  • 20 mm square configuration ensures full contact on square fasteners to reduce rounding and slippage.
  • Radius-corner design drives on the sides of fasteners instead of corners, extending fastener life.
  • Forged chrome-molybdenum alloy steel provides impact-rated strength and exceptional durability.
  • Black phosphate coating offers enhanced corrosion protection and easy surface cleaning.
• Specifications:
  • Manufacturer: Sunex
  • Part Number: 420MS
  • Drive Size: 3/4-inch
  • Socket Size: 20 mm (square)
  • Material / Finish: Chrome-molybdenum alloy steel, black phosphate
  • Socket Type: Standard-depth square impact socket
  • System Compatibility : Compatible with 3/4-inch impact tools; ideal for square-fastener torque applications requiring socket strength and fastener preservation
• The Sunex 420MS can also be referred to as 20 mm square impact socket, 3/4-inch drive square socket, chromoly square impact socket, black phosphate impact socket, radius-corner impact socket.

Sunex designs and manufactures durable hand tools using high-grade alloy steel and precision engineering, trusted for performance in demanding professional environments.

Q: Can I use this with 3/4-inch drive impact tools?
A: Yes, it is designed for 3/4-inch drive impact tools and built to withstand high-torque applications.

Q: What is the benefit of a square socket configuration?
A: A square opening ensures a secure grip on square fasteners, offering better torque transfer and reduced risk of fastener deformation.

Q: Does the black phosphate coating improve tool longevity?
A: Yes, the black phosphate finish enhances corrosion resistance and makes cleanup simple after use.