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Gray Tools 66838 12-point 45° offset striking face box wrench, black oxide finish

Gray Tools

Gray Tools 66838 1-3/16" 12-Point 45° Offset Striking Face Box Wrench

SKU CH-3FMZ-0F6MH

A 12-point box wrench with a 45° offset head and large striking block for hammer-assisted tightening

  • 12-point broaching ensures a tight, secure fit on fasteners
  • 45° offset head provides clearance in confined spaces
  • large striking block maximises safety and surface contact during impact
  • black oxide finish resists corrosion for longer tool life
  • forged from premium tool steel for maximum durability

1-3/16" 12-Point Striking Wrench

This 12-point box wrench fits a 1-3/16" hex fastener and features a 45° offset head for clearance around obstructions. A large striking block allows controlled hammer impact to break loose stubborn bolts. Forged from premium tool steel with a corrosion-resistant black oxide finish, it meets ANSI standards for industrial use.

Upgrade from standard box wrenches

A standard box wrench cannot accept a hammer blow without risk of slipping or damage. This striking-face design replaces that limitation when a fastener is seized, rusted, or over-torqued. The jump is worth it for maintenance crews who regularly encounter frozen hardware on heavy equipment, flanges, or structural steel where a ratchet or breaker bar lacks leverage.

Striking-face installation notes

Align the wrench fully on the fastener so the 12-point broach seats squarely before striking. Use a hammer of appropriate weight and hit the centre of the striking block, not the offset neck. Common errors include partial engagement, which rounds the fastener corners, and angled blows that bend the offset head or cause the wrench to slip off suddenly.

Highlights

  • 12-point broaching ensures a tight, secure fit on fasteners
  • 45° offset head provides clearance in confined spaces
  • large striking block maximises safety and surface contact during impact
  • black oxide finish resists corrosion for longer tool life
  • forged from premium tool steel for maximum durability

Specifications

BrandGRAY TOOLS

Questions about this item

What fastener size does the 1-3/16" 12-point opening fit?

The 12-point box end fits hex fasteners measuring exactly 1-3/16 inches across the flats.

How do you use the 45° offset striking face without damaging the wrench?

Seat the box end fully on the fastener, then strike the large striking block squarely with a hammer; the 45° offset keeps your hand clear of the work surface.

Does the black oxide finish need any upkeep to stay corrosion resistant?

Wipe the wrench clean after each use and apply a light coat of oil; the black oxide finish resists rust but is not a permanent barrier.

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