Milwaukee SHOCKWAVE Impact Duty 3/4" Drive 21MM Standard 6 Point Socket 49-66-6396

UNYIELDING HIGH-TORQUE ENGAGEMENT

When you're cycling through high-output fastener applications with a 3/4" drive impact, the margin for error is razor-thin. Milwaukee’s SHOCKWAVE Impact Duty sockets are engineered for the mechanical contractor who demands long-term tool fleet ROI. Built from high-strength forged steel, this 21mm socket is designed to withstand the brutal energy of modern high-torque impact wrenches without cracking or wallowing. The internal hex geometry is precision-machined to grip the flat sides of fasteners, preventing the rounding that leads to costly job site delays and wasted hardware.

• / High-Strength Forged Steel: Optimized for the most demanding heavy-duty fastening cycles.
• / Ink-Filled Markings: Stamped and filled size indicators ensure you identify the right tool instantly, even after years of abrasive use.
• / Non-Slip Hex Geometry: Prevents fastener rounding by distributing torque across the flat surface of the nut.
• / Dual-Hole Design: Facilitates easy attachment and removal while maintaining a secure link to the anvil.
• / Lifetime Guarantee: Backed by Milwaukee’s commitment to quality and ASME industry standards compliance.

WHAT'S IN THE BOX

(1) SHOCKWAVE Impact Duty 3/4" Drive 21MM Standard 6 Point Socket (49-66-6396)