SHOCKWAVE™ Impact Duty 5/16” x 1-7/8” Magnetic Nut Driver Bulk 10

Milwaukee 49-66-4703 — SHOCKWAVE™ 5/16" Magnetic Nut Driver (Bulk / Impact Duty)

The Milwaukee 49-66-4703 is a SHOCKWAVE™ Impact Duty magnetic nut driver, designed for high-speed fastening with impact drivers and drill/drivers.

What it is

• Type: Magnetic nut driver bit
• Series: SHOCKWAVE™ Impact Duty
• Size: 5/16" nut driver
• Length: 1-7/8" overall
• Shank: 1/4" hex quick-change
• Use tool: Impact driver or drill/driver
• Pack style: Often sold in bulk packs (jobsite distribution)

Key Features (verified)

• Strong permanent magnet
  → holds screws and fasteners securely during driving
• SHOCK ZONE™ design
  → absorbs peak torque to reduce breakage under impact use
• CUSTOM ALLOY76™ steel
  → heat-treated for longer tool life and durability
• Chamfered edge geometry
  → improves fastener engagement and reduces stripping
• Color-coded banding system
  → quick size identification on the jobsite

What it’s used for

• Driving 5/16" hex-head screws and bolts
• Electrical panel and conduit fastening
• HVAC and mechanical assembly work
• General construction fastening tasks
• Fast repetitive impact-driver driving