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

PROTO Hex Key: 0 Ball Ends, 1/8 in Tip Size, SAE, Long, Alloy Steel, Black Oxide - T-Shaped Hex Keys
PROTOT-Shaped Hex Keys

PROTO Hex Key: 0 Ball Ends, 1/8 in Tip Size, SAE, Long, Alloy Steel, Black Oxide

The PROTO Hex Key: 0 Ball Ends is a T-Shaped Hex Key from PROTO, featuring a 1/8 in SAE tip size, long arm length, and a 4 in long arm. It is constructed from alloy steel with a black oxide finish (MPN J46408).

SKU 3G-OTH-308302

Also listed as: J 46408 · J-46408

Brand
PROTO
Item
Hex Key: 0 Ball Ends, 1/8 in Tip Size, SAE, Long, Alloy Steel, Black Oxide
Category
T-Shaped Hex Keys
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
J46408
Type
SAE, Long, Alloy Steel, Black Oxide
Tip Size
1/8 in
Long Arm Lg
4 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 Hex Key: 0 Ball Ends is a T-Shaped Hex Key from PROTO, featuring a 1/8 in SAE tip size, long arm length, and a 4 in long arm. It is constructed from alloy steel with a black oxide finish (MPN J46408).

Frequently Asked Questions

What is the PROTO J46408 hex key used for?

The PROTO J46408 T-shaped hex key is used for tightening or loosening hex socket fasteners in industrial maintenance and assembly. Its 1/8 in SAE tip and ball end allow access at angles up to 25 degrees, making it suitable for confined spaces in machinery repair and equipment service.

What are the specifications of the PROTO J46408 hex key?

The PROTO J46408 is a T-shaped hex key with a 1/8 in SAE tip size, long arm length of 4 in, and ball ends. It is made from alloy steel with a black oxide finish. The manufacturer part number is J46408, and it is designed for SAE fasteners.

Where to buy the PROTO J46408 hex key worldwide?

You can source the PROTO J46408 hex key 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 maintain the PROTO J46408 hex key?

To maintain the PROTO J46408 hex key, clean it after use with a dry cloth to remove debris. Apply light oil to the black oxide finish to prevent corrosion. Store in a dry environment. Avoid excessive torque beyond the tool's rated capacity to prevent damage to the ball end.

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 t-shaped hex keys. 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 Impact Socket: 3/8 in Drive Size, SAE, 15/16 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7730H)
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 15/16 in Socket Size, 6-Point, Deep, Black Oxide (MPN J7730H)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 7/16 in Socket Size, 6-Point, Std, Black Oxide (MPN J7446H)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 7/16 in Socket Size, 6-Point, Std, Black Oxide (MPN J7446H)
PROTO Impact Socket: 1/4 in Drive Size, Torx, E8 Socket Size, External Torx, Std, Black Oxide (MPN J6908TX)
PROTO
PROTO Impact Socket: 1/4 in Drive Size, Torx, E8 Socket Size, External Torx, Std, Black Oxide (MPN J6908TX)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 1/4 in Socket Size, 12-Point, Deep, Black Oxide (MPN J7340)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 1/4 in Socket Size, 12-Point, Deep, Black Oxide (MPN J7340)
PROTO Impact Socket: 1/4 in Drive Size, Torx, E6 Socket Size, External Torx, Std, Black Oxide (MPN J6906TX)
PROTO
PROTO Impact Socket: 1/4 in Drive Size, Torx, E6 Socket Size, External Torx, Std, Black Oxide (MPN J6906TX)
PROTO Impact Socket: 3/8 in Drive Size, SAE, 13/16 in Socket Size, 6-Point, Std, Black Oxide (MPN J7226H)
PROTO
PROTO Impact Socket: 3/8 in Drive Size, SAE, 13/16 in Socket Size, 6-Point, Std, Black Oxide (MPN J7226H)

More from PROTO

View all PROTO parts
PROTO Hex Key: 0 Ball Ends, 2.5 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 3 in Handle Lg (MPN J46510)
PROTO
PROTO Hex Key: 0 Ball Ends, 2.5 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 3 in Handle Lg (MPN J46510)
PROTO Hex Key: 0 Ball Ends, 3/16 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46412)
PROTO
PROTO Hex Key: 0 Ball Ends, 3/16 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46412)
PROTO Hex Key: 0 Ball Ends, 1/4 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46416)
PROTO
PROTO Hex Key: 0 Ball Ends, 1/4 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46416)
PROTO Hex Key: 0 Ball Ends, 7/64 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46407)
PROTO
PROTO Hex Key: 0 Ball Ends, 7/64 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46407)
PROTO Hex Key: 0 Ball Ends, 3/32 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46406)
PROTO
PROTO Hex Key: 0 Ball Ends, 3/32 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46406)
PROTO Hex Key: 0 Ball Ends, 4 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46514)
PROTO
PROTO Hex Key: 0 Ball Ends, 4 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46514)
PROTO Hex Key: 0 Ball Ends, 4 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46514-TT)
PROTO
PROTO Hex Key: 0 Ball Ends, 4 mm Tip Size, Metric, Long, Alloy Steel, Black Oxide, 6 in Long Arm Lg (MPN J46514-TT)
PROTO Hex Key: 0 Ball Ends, 5/64 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46405)
PROTO
PROTO Hex Key: 0 Ball Ends, 5/64 in Tip Size, SAE, Long, Alloy Steel, Black Oxide, 3 in Handle Lg, T (MPN J46405)