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

PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size - SAE Box End Torque Adapters
PROTOSAE Box End Torque Adapters

PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size

The PROTO Interchangeable Torque Wrench Head is an SAE box end torque adapter made of alloy steel with a chrome finish. It features a 3/8 in drive size and 12 points, identified by manufacturer part number J5118…

SKU 3G-OTH-325051

Also listed as: J 5118 · J-5118

Brand
PROTO
Item
Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size
Category
SAE Box End Torque Adapters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J5118
Type
Chrome
Points
12
Drive Size
3/8 in

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 Interchangeable Torque Wrench Head is an SAE box end torque adapter made of alloy steel with a chrome finish. It features a 3/8 in drive size and 12 points, identified by manufacturer part number J5118. This product is designed for use with compatible PROTO torque wrenches.

Frequently Asked Questions

What is the PROTO J5118 interchangeable torque wrench head used for?

The PROTO J5118 is an SAE box end torque adapter for applying precise torque to fasteners. It is used with compatible PROTO torque wrenches in industrial maintenance, assembly, and repair applications across machining, power transmission, and material handling.

What are the specifications of the PROTO J5118 torque wrench head?

The PROTO J5118 is an alloy steel head with a chrome finish, 3/8 in drive size, and 12 points. It is an SAE box end torque adapter, part number J5118, designed for use with PROTO torque wrenches. 3G Electric supplies this and other PROTO tooling worldwide.

Where to buy the PROTO J5118 torque wrench head worldwide?

3G Electric supplies the PROTO J5118 interchangeable torque wrench head to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this SAE box end torque adapter.

How to select the correct PROTO torque wrench head for my application?

Select the PROTO J5118 for 3/8 in drive SAE fasteners requiring 12-point engagement. Ensure your torque wrench is compatible with interchangeable heads. For other drive sizes or point configurations, consult 3G Electric's specialists who interpret your application and source the right PROTO tooling.

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 box end torque adapters. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Torque Adapter Set: Alloy Steel, Chrome, 3/8 in Drive Size (MPN J5100)
PROTO
PROTO Torque Adapter Set: Alloy Steel, Chrome, 3/8 in Drive Size (MPN J5100)
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_7/8 in Head Size, 11 1/2 in Overall Lg, Offset (MPN J8184-T500)
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/4 in_7/8 in Head Size, 11 1/2 in Overall Lg, Offset (MPN J8184-T500)
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/4 in_5/16 in Head Size, 6 1/2 in Overall Lg, Offset (MPN J8179-T500)
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/4 in_5/16 in Head Size, 6 1/2 in Overall Lg, Offset (MPN J8179-T500)
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/2 in_9/16 in Head Size, 8 3/4 in Overall Lg, Offset (MPN J8181-T500)
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 1/2 in_9/16 in Head Size, 8 3/4 in Overall Lg, Offset (MPN J8181-T500)
This SAE double-end box wrench features 12-point openings in 3/8" and 5/16" sizes with an offset design for improved access to recessed fasteners. Constructed from alloy steel with a chrome finish, it has a 9" overall length. Suitable for tightening or loosening nuts and bolts in confined spaces
PROTO
This SAE double-end box wrench features 12-point openings in 3/8" and 5/16" sizes with an offset design for improved access to recessed fasteners. Constructed from alloy steel with a chrome finish, it has a 9" overall length. Suitable for tightening or loosening nuts and bolts in confined spaces

More from PROTO

View all PROTO parts
This SAE box end torque adapter is constructed from alloy steel with a 12-point design. It has an overall length of 2-15/16 inches and is used to apply precise torque to fasteners in confined spaces where a standard socket or wrench cannot fit
PROTO
This SAE box end torque adapter is constructed from alloy steel with a 12-point design. It has an overall length of 2-15/16 inches and is used to apply precise torque to fasteners in confined spaces where a standard socket or wrench cannot fit
This SAE box end torque adapter from PROTO features a 3/8 in drive size and 12-point configuration. Constructed from alloy steel with a chrome finish, it is designed for use with compatible torque wrenches to apply precise torque in confined spaces where standard sockets cannot reach
PROTO
This SAE box end torque adapter from PROTO features a 3/8 in drive size and 12-point configuration. Constructed from alloy steel with a chrome finish, it is designed for use with compatible torque wrenches to apply precise torque in confined spaces where standard sockets cannot reach
This SAE box end torque adapter features a chrome finish and a 3/8 in drive size with 12 points. It is used with torque wrenches to apply precise torque to fasteners in confined spaces where standard sockets cannot reach
PROTO
This SAE box end torque adapter features a chrome finish and a 3/8 in drive size with 12 points. It is used with torque wrenches to apply precise torque to fasteners in confined spaces where standard sockets cannot reach
This SAE box end torque adapter features a chrome finish and a 3/8 in drive size with 12 points. It is designed for use with torque wrenches to apply precise torque to fasteners in confined spaces
PROTO
This SAE box end torque adapter features a chrome finish and a 3/8 in drive size with 12 points. It is designed for use with torque wrenches to apply precise torque to fasteners in confined spaces
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5114)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5114)
PROTO 3/8 in Drive Torque Adapters - 12 Point: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points (MPN J5112)
PROTO
PROTO 3/8 in Drive Torque Adapters - 12 Point: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points (MPN J5112)
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5120)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5120)