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Chrome insulated socket 5/16 inch 6-point 1/4 drive

Wiha Tools

Wiha Tools 31340 5/16 in Insulated Socket

SKU CH-3EDN-056P4

5/16 in insulated socket, 6-point alloy steel, 1/4 in drive, meets ASTM F1505, CSA, EN/IEC 60900, NFPA70E, VDE standards

  • Product typeSocket
  • Main materialHAWA
  • Insulated to EN/IEC 60900, CSA, ASTM F1505 and NFPA 70E standards
  • 6-point alloy steel socket grips SAE fasteners securely
  • Chrome finish resists corrosion for long service life
  • 1/4 in drive fits standard ratchets and extensions
  • Impact rated no — designed for hand use only

Insulated 5/16 in Socket

This 5/16 in insulated socket is built from alloy steel with a chrome finish for professional electrical work. It meets ASTM F1505, CSA, EN/IEC 60900, NFPA70E and VDE standards for live-line protection. The 6-point design engages fastener flats to reduce rounding. A 1/4 in drive fits standard ratchets and extensions.

Standards and Drive Compatibility

Compliance with multiple international insulation standards allows use on energised circuits up to rated voltages. The 1/4 in square drive accepts common hand ratchets, torque wrenches and extensions already in a technician's kit. No impact rating means the socket is intended for hand-driven applications only.

For Qualified Electrical Professionals

Suited to electricians and maintenance technicians who require verified insulation on SAE fasteners. Not for mechanics needing impact-rated sockets for powered drivers. Buyers working exclusively with metric hardware should look elsewhere.

How it compares

Measured against everything we stock in Pliers, Wrenches & Gripping Tools, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 62% of the 2,110 comparable items (median $23.99).

Specifications

Product
Brand nameWiha Tools
Product typeSocket
Size & build
Main materialHAWA

Questions about this item

Does the 6-point alloy-steel socket need periodic recertification or replacement after a certain number of uses?

The 6-point alloy-steel socket has no mandated recertification interval; inspect for wear, cracking or insulation damage before each use and replace if any defect is found.

What torque limit or mechanical stop appears first when the 1/4 in drive socket is used continuously?

The socket is not impact-rated, so the practical limit is the maximum hand-applied torque the 1/4 in drive and 6-point profile can transmit without rounding or cracking.

How much heat builds up in the chrome finish during all-day fastening work?

Hand-driven use generates negligible heat in the chrome-plated alloy steel; the socket remains safe to handle without gloves during continuous operation.

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