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PROTO Socket: Metric, 3/8 in Drive Size, 21 mm Socket Size, 12-Point, Deep, Chrome - Tether-Ready Hand Sockets
PROTOTether-Ready Hand Sockets

PROTO Socket: Metric, 3/8 in Drive Size, 21 mm Socket Size, 12-Point, Deep, Chrome

The PROTO Socket: Metric (SKU 24AH22, MPN J5221M-TT) is a tether-ready hand socket with a 3/8 in drive size and 21 mm socket size. It features a 12-point, deep design in chrome finish, manufactured by PROTO.

SKU 3G-OTH-328614

Brand
PROTO
Item
Socket: Metric, 3/8 in Drive Size, 21 mm Socket Size, 12-Point, Deep, Chrome
Category
Tether-Ready Hand Sockets
Available to Order
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Technical Specifications

PROTO
Manufacturer Part Number
J5221M-TT
Type
12-Point, Deep, Chrome, Tether Ready
Socket Size
21 mm
Drive Size
3/8 in
View Full Spec Sheet

Technical Documents

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

Product Description

The PROTO Socket: Metric (SKU 24AH22, MPN J5221M-TT) is a tether-ready hand socket with a 3/8 in drive size and 21 mm socket size. It features a 12-point, deep design in chrome finish, manufactured by PROTO.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

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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