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PROTO Hex Key: 0 Ball Ends, 3 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide - L-Shaped Hex Keys
PROTOL-Shaped Hex Keys

PROTO Hex Key: 0 Ball Ends, 3 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide

The PROTO Hex Key: 0 Ball Ends is an L-shaped hex key from PROTO, featuring a 3 mm tip size, metric sizing, and a long length. It is constructed from alloy steel with a black oxide finish and has a 3-inch handle…

SKU 3G-OTH-316587

Also listed as: J 46312 · J-46312

Brand
PROTO
Item
Hex Key: 0 Ball Ends, 3 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide
Category
L-Shaped Hex Keys
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J46312
Type
Metric, Long, Alloy Steel, Black Oxide, L
Tip Size
3 mm
Handle Lg
3 in

Technical Documents

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

Product Description

The PROTO Hex Key: 0 Ball Ends is an L-shaped hex key from PROTO, featuring a 3 mm tip size, metric sizing, and a long length. It is constructed from alloy steel with a black oxide finish and has a 3-inch handle length (MPN J46312).

Frequently Asked Questions

What is the PROTO Hex Key J46312 used for?

The PROTO Hex Key J46312 is an L-shaped hex key used for tightening or loosening fasteners with a 3 mm metric hexagonal socket. It is commonly applied in industrial maintenance, automotive repair, and assembly work where a long-reach, corrosion-resistant tool is needed.

What are the specifications of the PROTO Hex Key J46312?

The PROTO Hex Key J46312 has a 3 mm tip size, metric sizing, long length, and a 3-inch handle. It is made from alloy steel with a black oxide finish. The manufacturer part number is J46312, and it is produced by PROTO.

Where to buy PROTO Hex Key J46312 worldwide?

You can source the PROTO Hex Key J46312 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.

How to maintain a PROTO Hex Key with black oxide finish?

To maintain the black oxide finish on your PROTO Hex Key, wipe it clean after use with a dry cloth and store it in a dry environment. Avoid exposure to moisture or corrosive chemicals. Light oil can be applied periodically to prevent rust and preserve the tool's life.

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 l-shaped hex keys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
EKLIND Hex Key: 2 Ball Ends, 2.5 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, L, 2 Tips (MPN 19605)
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EKLIND
EKLIND Hex Key: 2 Ball Ends, 5 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, L, 2 Tips (MPN 19610)
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EKLIND Hex Key: 2 Ball Ends, 8 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, L, 2 Tips (MPN 19616)
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EKLIND
EKLIND Hex Key: 2 Ball Ends, 3/32 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, L, 2 Tips (MPN 19206)
GEDORE Hex Key: 1 Ball Ends, 3 mm Tip Size, Metric, Long, Alloy Steel, Chrome, 3 1/8 in Handle Lg, T (MPN DT 2142 3)
GEDORE
GEDORE Hex Key: 1 Ball Ends, 3 mm Tip Size, Metric, Long, Alloy Steel, Chrome, 3 1/8 in Handle Lg, T (MPN DT 2142 3)
SK PROFESSIONAL TOOLS Socket: Metric, 1/2 in Drive Size, 9 mm Socket Size, 6-Point, Std, Chrome (MPN 48209)
SK PROFESSIONAL TOOLS
SK PROFESSIONAL TOOLS Socket: Metric, 1/2 in Drive Size, 9 mm Socket Size, 6-Point, Std, Chrome (MPN 48209)

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