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PROTO J5420M-TT Tether-Ready Hand Socket, 1/2 in Drive, 20 mm, 12-Point, Chrome - Tether-Ready Hand Sockets
PROTOTether-Ready Hand Sockets

PROTO J5420M-TT Tether-Ready Hand Socket, 1/2 in Drive, 20 mm, 12-Point, Chrome

The PROTO Socket: Metric (SKU J5420M-TT, MPN J5420M-TT) is a tether-ready hand socket with a 1/2 in drive size, 20 mm socket size, 12-point standard configuration, and a chrome finish. Manufactured by PROTO, this…

SKU 3G-OTH-328659

Also listed as: J5420MTT · J5420M TT

Brand
PROTO
Item
J5420M-TT Tether-Ready Hand Socket, 1/2 in Drive, 20 mm, 12-Point, Chrome
Part Number
J5420M-TT
Category
Tether-Ready Hand Sockets
Available to Order
Also known as:J5420M-TTPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5420M-TT
Type
12-Point, Std, Chrome, Tether Ready
Socket Size
20 mm
Drive Size
1/2 in

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket: Metric (SKU J5420M-TT, MPN J5420M-TT) is a tether-ready hand socket with a 1/2 in drive size, 20 mm socket size, 12-point standard configuration, and a chrome finish. Manufactured by PROTO, this socket is designed for metric fasteners and includes tether-ready capability for enhanced tool security.

Frequently Asked Questions

What is the PROTO J5420M-TT socket used for?

The PROTO J5420M-TT is a tether-ready hand socket used for tightening or loosening 20 mm metric fasteners with a 1/2 in drive ratchet or torque wrench. It is commonly applied in automotive, industrial maintenance, and assembly environments where tool security is required to prevent drops or loss.

What are the specifications of the PROTO J5420M-TT socket?

The PROTO J5420M-TT socket has a 1/2 in drive size, a 20 mm socket size, and a 12-point standard configuration. It features a chrome finish and is tether-ready for enhanced tool security. The manufacturer part number is J5420M-TT, and it is designed for metric fasteners.

Where to buy the PROTO J5420M-TT socket worldwide?

You can source the PROTO J5420M-TT socket worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine PROTO tools to customers across multiple industries.

How to select the correct PROTO socket for metric fasteners?

To select the correct PROTO socket, match the socket size exactly to the fastener head dimension—for metric fasteners, use a 20 mm socket like the J5420M-TT. Ensure the drive size (1/2 in) fits your ratchet or torque wrench. Choose a 12-point configuration for higher torque applications and a tether-ready design for safety in elevated or confined workspaces.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO tether-ready hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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