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PROTO Impact Socket Set: 3/8 in Drive Size, Small Set (0-50 pieces) Set Size - SAE Impact Socket Sets
PROTOSAE Impact Socket Sets

PROTO Impact Socket Set: 3/8 in Drive Size, Small Set (0-50 pieces) Set Size

The PROTO Impact Socket Set (SKU 4JW92, MPN J72102) is a 9-piece SAE impact socket set with a 3/8 in drive size. The set includes 6-point sockets ranging from 1/4 in to 3/4 in, manufactured by PROTO.

SKU 3G-OTH-300146

Brand
PROTO
Item
Impact Socket Set: 3/8 in Drive Size, Small Set
Category
SAE Impact Socket Sets
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Technical Specifications

PROTO
Manufacturer Part Number
J72102
Type
Small Set (0-50 pieces) Set Size, (9) 6-Point
Pieces
9
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Impact Socket Set (SKU 4JW92, MPN J72102) is a 9-piece SAE impact socket set with a 3/8 in drive size. The set includes 6-point sockets ranging from 1/4 in to 3/4 in, manufactured by PROTO.

Frequently Asked Questions

What is the PROTO Impact Socket Set J72102 used for?

The PROTO Impact Socket Set J72102 is used for tightening and loosening fasteners with impact wrenches in automotive repair, heavy equipment maintenance, and industrial assembly. Its 3/8 in drive and 6-point sockets from 1/4 in to 3/4 in provide secure engagement on SAE fasteners, reducing rounding.

What are the specifications of the PROTO Impact Socket Set J72102?

The PROTO Impact Socket Set J72102 includes 9 pieces with a 3/8 in drive size. Sockets are 6-point SAE, ranging from 1/4 in to 3/4 in. The set is manufactured by PROTO and is designed for impact tool use. It is a small set (0-50 pieces) suitable for professional mechanics.

Where to buy the PROTO Impact Socket Set J72102 worldwide?

You can source the PROTO Impact Socket Set J72102 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine PROTO tools to procurement teams globally.

How to select the right PROTO impact socket set for SAE fasteners?

To select the right PROTO impact socket set, match the drive size (e.g., 3/8 in) to your impact wrench. Choose 6-point sockets for better torque transfer and reduced fastener rounding. The J72102 covers 1/4 in to 3/4 in SAE sizes, ideal for automotive and industrial tasks. Always use impact-rated sockets for safety.

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 sae impact socket sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PROTO Impact Socket Set: 1/4 in Drive Size, Small Set (0-50 pieces) Set Size, 11 Pieces, Black Oxide (MPN J69106). Key specifications — attr1204251: PROTO; attr1215453: 1/4 in; attr1215454: 3/16 in to 5/8 in.
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PROTO Impact Socket Set: 1/4 in Drive Size, Small Set (0-50 pieces) Set Size, 11 Pieces, Black Oxide (MPN J69116). Key specifications — attr1204251: PROTO; attr1215453: 1/4 in; attr1215454: 3/16 in to 5/8 in.
PROTO Impact Socket Set: 1/2 in Drive Size, Small Set (0-50 pieces) Set Size, 19 Pieces, Black Oxide (MPN J74106). Key specifications — attr1204251: PROTO; attr1215453: 1/2 in; attr1215454: 3/8 in to 1-1/4 in.
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