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PROTO Hex Key: 0 Ball Ends, 5/16 in Tip Size, SAE, Long, Alloy Steel, Black Oxide - T-Shaped Hex Keys
PROTOT-Shaped Hex Keys

PROTO Hex Key: 0 Ball Ends, 5/16 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 5/16 in tip size, SAE sizing, and a long arm length of 6 in. It is constructed from alloy steel with a Black Oxide finish, as indicated by…

SKU 3G-OTH-308271

Also listed as: J 46420 · J-46420

Brand
PROTO
Item
Hex Key: 0 Ball Ends, 5/16 in Tip Size, SAE, Long, Alloy Steel, Black Oxide
Category
T-Shaped Hex Keys
Available to Order
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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
J46420
Type
SAE, Long, Alloy Steel, Black Oxide
Tip Size
5/16 in
Long Arm Lg
6 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 a T-Shaped Hex Key from PROTO, featuring a 5/16 in tip size, SAE sizing, and a long arm length of 6 in. It is constructed from alloy steel with a Black Oxide finish, as indicated by the manufacturer part number J46420.

Frequently Asked Questions

What is the PROTO Hex Key J46420 used for?

The PROTO Hex Key J46420 is a T-shaped hex key used for tightening or loosening hex socket fasteners. Its 5/16 in SAE tip and 6 in long arm provide leverage for industrial maintenance, assembly, and repair tasks where a ball-end design allows angled access.

What are the specifications of the PROTO Hex Key J46420?

The PROTO Hex Key J46420 has a 5/16 in SAE tip size, a 6 in long arm length, and a T-shaped design. It is made from alloy steel with a black oxide finish. The manufacturer part number is J46420, and the brand is PROTO.

Where to buy the PROTO Hex Key J46420 worldwide?

You can source the PROTO Hex Key J46420 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 select the right PROTO hex key size?

Select the PROTO hex key size by matching the tip size to your fastener's hex socket dimension. For SAE fasteners, use inch sizes like the 5/16 in tip on the J46420. Ensure the arm length provides adequate reach and leverage for your application.

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.

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