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Gray Tools 9/16 inch 12 point insulated socket orange yellow layers

Gray Tools

Gray Tools T18-I 9/16" 12 Point 1000V Insulated Tool Storage

SKU CH-2AF7-7H0QR

A 9/16 inch 12-point insulated socket with dual-colour safety layers tested to 1000 V

  • 1000 V insulated protection tested to ASTM F1505
  • Dual-layer orange and yellow insulation shows wear instantly
  • 9/16 inch 12-point drive fits standard fasteners
  • 3/8 inch drive compatible with common ratchets
  • New professional-grade tool storage from Gray Tools

Insulated 9/16-Inch Socket

The Gray Tools T18-I is a 9/16-inch, 12-point socket designed for electrical work where live circuits may be present. It suits electricians and maintenance technicians who need verified insulation on every fastener. The tool is individually tested to ASTM F1505 standards for user protection up to 1000 V. It is not intended for general mechanical use where insulation is not required.

Safety Indicator Layers

A dual-layer insulation system uses an orange outer layer over a yellow inner layer that acts as a visual safety indicator. Damage to the orange layer reveals the yellow beneath, signalling that the socket must be removed from service. This construction supports consistent dielectric performance during normal use. No thermal, noise or power-draw characteristics apply to this hand tool.

3/8-Inch Drive Compatibility

The socket accepts a standard 3/8-inch drive ratchet or extension, fitting into existing insulated tool sets. Its standard length reaches typical fastener depths without needing special adapters. The 12-point geometry engages fasteners at multiple angles in confined panels. Buyers needing larger drive sizes or non-insulated sockets should select a different model.

Highlights

  • 1000 V insulated protection tested to ASTM F1505
  • Dual-layer orange and yellow insulation shows wear instantly
  • 9/16 inch 12-point drive fits standard fasteners
  • 3/8 inch drive compatible with common ratchets
  • New professional-grade tool storage from Gray Tools

Specifications

BrandGRAY TOOLS

Questions about this item

How do I fit the 9/16" 12-point socket onto a 3/8" drive ratchet, and what step is often missed?

Align the square drive hole with the ratchet anvil, press firmly until the detent ball clicks into the socket groove, then verify the orange and yellow insulation layers sit flush against the ratchet head — skipping the visual check risks using a damaged insulator.

What part of the T18-I will need inspection or replacement after repeated jobs?

The dual-layer insulation is the wear item; if the orange outer layer cracks or the yellow indicator becomes visible, the socket no longer meets the 1000 V rating and must be retired per ASTM F1505 test criteria.

What limit appears first when the socket is used continuously on live circuits?

The 1000 V insulation rating is the governing limit; sustained exposure at or near that voltage can degrade the insulating material faster than the 12-point steel drive wears, so periodic dielectric testing is required.

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