Klein Tools - For Professionals Since 1857

5/16-Inch Coated Nut Driver, 3-Inch Hollow Shaft

640-5/16

  • Entire shank plastic coated for circuit protection only. NOT INSULATED
  • Special plastic coating resists cutting, cracking, and chipping
  • Thin coating permits use in confined areas
  • Full hollow shafts facilitate work on stacked circuit boards or other long bolt applications
  • Internal flanges provide solid, twist-resistant shaft anchor
  • Premium chrome plated for smooth feel and corrosion resistance
  • Meets or exceeds applicable ASME / ANSI specifications
  • Handle end is also color coded for easy identification
  • Cushion-Grip handle allows for greater torque and comfort
  • Tip-Ident® quickly identifies nut driver and size
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Images
JPG (High Resolution) 640-1-2_photo.jpg
PNG (Transparent Background) 640516.png

The Klein Tools coated nut driver tightens nuts and bolts easily and can get into smaller spaces that wrenches and ratchets can't reach. It makes wood, metal and electrical work easier in confined spaces. The full hollow shaft facilitates work on stacked circuit boards or other long bolt applications.

Specifications
Nut Driver Sizes:
5/16''
Shaft Length:
3'' (76.2 mm)
Color Code:
Yellow
Overall Length:
6.75'' (171.5 mm)
Weight:
0.25 lb (0.11 kg)
UPC:
092644650239
Additional Information
Warnings
  • Always wear approved eye protection.
  • NOT insulated. Will NOT protect against electrical shock.
  • NOT insulated. Coating is intended for protection of circuits only.