Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PROTO Impact Socket: 3/8 in Drive Size, Metric, 18 mm Socket Size, 6-Point, Std - 3/8" Drive Impact Sockets
PROTO3/8" Drive Impact Sockets

PROTO Impact Socket: 3/8 in Drive Size, Metric, 18 mm Socket Size, 6-Point, Std

The PROTO J7218M is a 3/8" Drive Impact Socket, part of the PROTO brand's impact socket line. This metric socket features an 18 mm socket size with a 6-point standard configuration and a 1 1/8 in overall length. It…

SKU 3G-OTH-294989

Brand
PROTO
Item
Impact Socket: 3/8 in Drive Size, Metric, 18 mm Socket Size, 6-Point, Std
Category
3/8" Drive Impact Sockets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PROTO
Manufacturer Part Number
J7218M
Type
Metric, 6-Point, Std
Overall Lg
1 1/8 in
Socket Size
18 mm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO J7218M is a 3/8" Drive Impact Socket, part of the PROTO brand's impact socket line. This metric socket features an 18 mm socket size with a 6-point standard configuration and a 1 1/8 in overall length. It has a Black Oxide finish.

Frequently Asked Questions

What is the PROTO J7218M impact socket used for?

The PROTO J7218M is a 3/8" drive impact socket designed for heavy-duty fastening and loosening of 18 mm metric fasteners. It is commonly used in automotive repair, industrial maintenance, and assembly applications where impact wrenches are employed.

What are the specifications of the PROTO J7218M impact socket?

The PROTO J7218M is a metric, 6-point, standard impact socket with a 3/8" drive size and an 18 mm socket size. It has a 1 1/8 in overall length and a Black Oxide finish for corrosion resistance. The manufacturer part number is J7218M.

Where to buy the PROTO J7218M impact socket worldwide?

3G Electric supplies the PROTO J7218M impact socket to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote.

How to select the correct PROTO impact socket size?

To select the correct PROTO impact socket, match the drive size (3/8") to your impact wrench, and choose the socket size (18 mm) to fit your fastener. Ensure the socket is impact-rated (not hand-tool only) and has a 6-point configuration for maximum torque transfer and reduced rounding.

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 3/8" drive impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
PROTO Impact Socket: 3/8 in Drive Size, Metric, 16 mm Socket Size, 6-Point, Std, 1 1/8 in Overall Lg (MPN J7216M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 16 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 16 mm Socket Size, 6-Point, Std, 1 1/8 in Overall Lg (MPN J7216M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 16 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 20 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7220M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 20 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 20 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7220M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 20 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7222M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 22 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7222M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 22 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 16 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7016M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 16 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 16 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7016M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 16 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 21 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7021M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 21 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 21 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7021M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 21 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 18 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7018M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 18 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 18 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7018M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 18 mm.

More from PROTO

View all PROTO parts →
PROTO Impact Socket: 3/8 in Drive Size, SAE, 1/2 in Socket Size, 8-Point, Std, 1 1/16 in Overall Lg (MPN J7216S). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 1/2 in.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 1/2 in Socket Size, 8-Point, Std, 1 1/16 in Overall Lg (MPN J7216S). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 1/2 in.
PROTO Impact Socket: 3/8 in Drive Size, SAE, 11/32 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7711H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 11/32 in.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 11/32 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7711H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 11/32 in.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 21 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7221M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 21 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 21 mm Socket Size, 6-Point, Std, Black Oxide (MPN J7221M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 21 mm.
PROTO Impact Socket: 3/8 in Drive Size, SAE, 11/16 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7722H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 11/16 in.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 11/16 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7722H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 11/16 in.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7022M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 22 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7022M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 22 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 19 mm Socket Size, 6-Point, Std, 1 1/8 in Overall Lg (MPN J7219M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 19 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 19 mm Socket Size, 6-Point, Std, 1 1/8 in Overall Lg (MPN J7219M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 19 mm.
PROTO Impact Socket: 3/8 in Drive Size, Metric, 14 mm Socket Size, 6-Point, Std, 1 in Overall Lg (MPN J7214M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 14 mm.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, Metric, 14 mm Socket Size, 6-Point, Std, 1 in Overall Lg (MPN J7214M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 14 mm.
PROTO Impact Socket: 3/8 in Drive Size, SAE, 9/32 in Socket Size, 6-Point, Deep, 2 3/4 in Overall Lg (MPN J7709H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 9/32 in.
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 9/32 in Socket Size, 6-Point, Deep, 2 3/4 in Overall Lg (MPN J7709H). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 9/32 in.