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

PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/4 in Head Size, 37 in Overall Lg - SAE 12-Point Combination Wrenches
PROTOSAE 12-Point Combination Wrenches

PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/4 in Head Size, 37 in Overall Lg

The PROTO J12104 is an SAE 12-point combination wrench made of alloy steel with a black oxide finish. It features a 3-1/4 in head size and a 37 in overall length with an offset design. This wrench is part of the…

SKU 3G-OTH-287595

Brand
PROTO
Item
Combination Wrench: Alloy Steel, Black Oxide, 3 1/4 in Head Size, 37 in Overall Lg
Category
SAE 12-Point Combination Wrenches
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
J12104
Type
Black Oxide, Offset
Overall Lg
37 in
Head Size
3 1/4 in
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 J12104 is an SAE 12-point combination wrench made of alloy steel with a black oxide finish. It features a 3-1/4 in head size and a 37 in overall length with an offset design. This wrench is part of the PROTO brand's industrial tool lineup.

Frequently Asked Questions

What is the PROTO J12104 combination wrench used for?

The PROTO J12104 is an SAE 12-point combination wrench designed for heavy-duty industrial bolting applications. Its 3-1/4 in head size and 37 in overall length provide leverage for loosening or tightening large fasteners in maintenance, construction, and plant assembly tasks.

What are the specifications of the PROTO J12104 wrench?

The PROTO J12104 is an SAE 12-point combination wrench made of alloy steel with a black oxide finish. It has a 3-1/4 in head size, 37 in overall length, and an offset design. The manufacturer part number is J12104, and it is part of PROTO's industrial tool lineup.

Where to buy the PROTO J12104 wrench worldwide?

You can source the PROTO J12104 combination wrench 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 on this PROTO tool.

How to select the right PROTO combination wrench size?

To select the correct PROTO combination wrench, match the head size to your fastener's SAE dimension. For the J12104, the 3-1/4 in head fits corresponding large bolts. Ensure the overall length and offset design suit your access constraints. Always verify the fastener type and torque requirements before use.

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 12-point combination wrenches. 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 Combination Wrench: Alloy Steel, Black Oxide, 3 1/8 in Head Size, 34 in Overall Lg, Offset (MPN J12100). Key specifications — attr309539: 3-1/8 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/8 in Head Size, 34 in Overall Lg, Offset (MPN J12100). Key specifications — attr309539: 3-1/8 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/2 in Head Size, 37 in Overall Lg, Offset (MPN J12112). Key specifications — attr309539: 3-1/2 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 1/2 in Head Size, 37 in Overall Lg, Offset (MPN J12112). Key specifications — attr309539: 3-1/2 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 7/8 in Head Size, 37 in Overall Lg, Offset (MPN J12124). Key specifications — attr309539: 3-7/8 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 7/8 in Head Size, 37 in Overall Lg, Offset (MPN J12124). Key specifications — attr309539: 3-7/8 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 13/16 in Head Size, 34 in Overall Lg, Offset (MPN J1290). Key specifications — attr309539: 2-13/16 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 13/16 in Head Size, 34 in Overall Lg, Offset (MPN J1290). Key specifications — attr309539: 2-13/16 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 15/16 in Head Size, 34 in Overall Lg, Offset (MPN J1294). Key specifications — attr309539: 2-15/16 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 15/16 in Head Size, 34 in Overall Lg, Offset (MPN J1294). Key specifications — attr309539: 2-15/16 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 7/8 in Head Size, 34 in Overall Lg, Offset (MPN J1292). Key specifications — attr309539: 2-7/8 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 2 7/8 in Head Size, 34 in Overall Lg, Offset (MPN J1292). Key specifications — attr309539: 2-7/8 in; attr309567: Yes; attr324930: PROTO.

More from PROTO

View all PROTO parts
PROTO Combination Wrench: Alloy Steel, Satin, 11/16 in Head Size, 10 1/4 in Overall Lg, Offset, Hex (MPN J1222ASD). Key specifications — attr309539: 11/16 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Satin, 11/16 in Head Size, 10 1/4 in Overall Lg, Offset, Hex (MPN J1222ASD). Key specifications — attr309539: 11/16 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Steel, Satin, 3/8 in Head Size, 6 in Overall Lg, 15° Head Offset Angle (MPN J1212ASD). Key specifications — attr309539: 3/8 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Steel, Satin, 3/8 in Head Size, 6 in Overall Lg, 15° Head Offset Angle (MPN J1212ASD). Key specifications — attr309539: 3/8 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Satin, 2 in Head Size, 28 in Overall Lg, Offset (MPN J1264). Key specifications — attr309539: 2 in; attr309567: No; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Satin, 2 in Head Size, 28 in Overall Lg, Offset (MPN J1264). Key specifications — attr309539: 2 in; attr309567: No; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 1 in Head Size, 14 in Overall Lg, Offset (MPN J1232BASD). Key specifications — attr309539: 1 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 1 in Head Size, 14 in Overall Lg, Offset (MPN J1232BASD). Key specifications — attr309539: 1 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Satin, 2 1/16 in Head Size, 29 1/2 in Overall Lg, Offset (MPN J1266). Key specifications — attr309539: 2-1/16 in; attr309567: No; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Satin, 2 1/16 in Head Size, 29 1/2 in Overall Lg, Offset (MPN J1266). Key specifications — attr309539: 2-1/16 in; attr309567: No; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Satin, 2 9/16 in Head Size, 29 3/4 in Overall Lg, Offset (MPN J1282). Key specifications — attr309539: 2-9/16 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Satin, 2 9/16 in Head Size, 29 3/4 in Overall Lg, Offset (MPN J1282). Key specifications — attr309539: 2-9/16 in; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 8 mm Head Size, 5 3/8 in Overall Lg, Offset (MPN J1208MBA). Key specifications — attr309539: 8 mm; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 8 mm Head Size, 5 3/8 in Overall Lg, Offset (MPN J1208MBA). Key specifications — attr309539: 8 mm; attr309567: Yes; attr324930: PROTO.
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 in Head Size, 34 in Overall Lg, Offset (MPN J1296). Key specifications — attr309539: 3 in; attr309567: Yes; attr324930: PROTO.
PROTO
PROTO Combination Wrench: Alloy Steel, Black Oxide, 3 in Head Size, 34 in Overall Lg, Offset (MPN J1296). Key specifications — attr309539: 3 in; attr309567: Yes; attr324930: PROTO.