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PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 9/16 in Tip Size, 3 5/8 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 9/16 in Tip Size, 3 5/8 in Overall Lg

The PROTO Socket Bit is a hex bit socket with a 1/2 in drive size and a 9/16 in hex tip size, featuring a fixed insert design. It has an overall length of 3 5/8 in and is manufactured under part number J54419/16.

SKU 3G-OTH-305580

Also listed as: J5441916 · J54419 16 · J54419-16

Brand
PROTO
Item
Socket Bit: 1/2 in Drive Size, Hex Tip, 9/16 in Tip Size, 3 5/8 in Overall Lg
Category
Hex Bit Sockets
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
J54419/16
Type
Hex Tip, Fixed Insert
Overall Lg
3 5/8 in
Tip Size
9/16 in

Technical Documents

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

Product Description

The PROTO Socket Bit is a hex bit socket with a 1/2 in drive size and a 9/16 in hex tip size, featuring a fixed insert design. It has an overall length of 3 5/8 in and is manufactured under part number J54419/16.

Frequently Asked Questions

What is the PROTO J54419/16 hex bit socket used for?

The PROTO J54419/16 hex bit socket is used for driving hex fasteners in industrial maintenance, assembly, and repair applications. Its 1/2 in drive and 9/16 in hex tip with fixed insert design provides secure engagement for high-torque tasks across machining, material handling, and other plant operations.

What are the specifications of the PROTO J54419/16 socket bit?

The PROTO J54419/16 socket bit has a 1/2 in drive size, a 9/16 in hex tip size, and a fixed insert design. Overall length is 3 5/8 in. It is a hex bit socket manufactured under part number J54419/16, suitable for heavy-duty industrial use.

Where to buy PROTO J54419/16 hex bit socket worldwide?

3G Electric supplies the PROTO J54419/16 hex bit socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this PROTO socket bit for your maintenance or production needs.

How to select the correct PROTO hex bit socket for my application?

To select the correct PROTO hex bit socket, match the drive size (e.g., 1/2 in) to your ratchet or driver, and the tip size (e.g., 9/16 in) to the fastener. Consider overall length for access. For fixed insert designs like the J54419/16, ensure the bit is securely retained for high-torque applications.

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

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