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

PROTO 3/8 in Drive Torque Adapters - 12 Point: Alloy Steel, Chrome, 3/8 in Drive Size - SAE Box End Torque Adapters
PROTOSAE Box End Torque Adapters

PROTO 3/8 in Drive Torque Adapters - 12 Point: Alloy Steel, Chrome, 3/8 in Drive Size

The PROTO 3/8 in Drive Torque Adapters are SAE box end torque adapters made of alloy steel with a chrome finish. They feature a 3/8 in drive size and 12 points, identified by manufacturer part number J5112.

SKU 3G-OTH-325048

Also listed as: J 5112 · J-5112

Brand
PROTO
Item
3/8 in Drive Torque Adapters - 12 Point: 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
J5112
Type
- 12 Point: Alloy Steel, 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 3/8 in Drive Torque Adapters are SAE box end torque adapters made of alloy steel with a chrome finish. They feature a 3/8 in drive size and 12 points, identified by manufacturer part number J5112.

Frequently Asked Questions

What is the PROTO 3/8 in Drive Torque Adapter used for?

The PROTO 3/8 in Drive Torque Adapter (J5112) is used to apply precise torque to fasteners in automotive, industrial, and maintenance applications. Its 12-point box end design grips hex fasteners securely, making it ideal for tight spaces where a standard socket cannot fit.

What are the specifications of the PROTO J5112 torque adapter?

The PROTO J5112 torque adapter has a 3/8 in drive size, 12 points, and is made of alloy steel with a chrome finish. It is an SAE box end design, manufactured by PROTO under part number J5112. The chrome finish provides corrosion resistance for long service life.

Where to buy PROTO torque adapters worldwide?

PROTO torque adapters like the J5112 are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on this PROTO tool.

How to select the correct PROTO torque adapter for my application?

To select the correct PROTO torque adapter, match the drive size (3/8 in) and point count (12) to your torque wrench and fastener. Ensure the adapter's SAE box end fits the hex size of your bolt. For tight clearance applications, the compact box end design of the J5112 is ideal.

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, 3/8 in_5/16 in Head Size, 9 in Overall Lg, Offset (MPN J111012L)
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 3/8 in_5/16 in Head Size, 9 in Overall Lg, Offset (MPN J111012L)
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)
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, 5/8 in_11/16 in Head Size, 9 3/4 in Overall Lg, Offset (MPN J8182-T500)
PROTO
PROTO Double Box Wrench: Alloy Steel, Chrome, 5/8 in_11/16 in Head Size, 9 3/4 in Overall Lg, Offset (MPN J8182-T500)

More from PROTO

View all PROTO parts
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points (MPN J5118)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points (MPN J5118)
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 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)
PROTO Torque Adapter: Alloy Steel, 12 Points, 2 15/16 in Overall Lg (MPN J5124)
PROTO
PROTO Torque Adapter: Alloy Steel, 12 Points, 2 15/16 in Overall Lg (MPN J5124)
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5128)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5128)
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5122)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5122)
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5116)
PROTO
PROTO Interchangeable Torque Wrench Head: Alloy Steel, Chrome, 3/8 in Drive Size, 12 Points, SAE (MPN J5116)