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PROTO Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 3/8 in Tip Size, 6 3/32 in Overall Lg - Ball-End Hex Bit Sockets
PROTOBall-End Hex Bit Sockets

PROTO Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 3/8 in Tip Size, 6 3/32 in Overall Lg

The PROTO J4912BD is a ball-end hex bit socket with a 3/8 in drive size and a 3/8 in tip size, featuring a fixed insert design. It has an overall length of 6 3/32 in and is SAE. This socket bit is manufactured by PROTO.

SKU 3G-OTH-305889

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 3/8 in Tip Size, 6 3/32 in Overall Lg
Category
Ball-End Hex Bit Sockets
Available to Order
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Technical specs
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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
J4912BD
Type
Ball Hex Tip, SAE
Overall Lg
6 3/32 in
Tip Size
3/8 in

Technical Documents

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

Product Description

The PROTO J4912BD is a ball-end hex bit socket with a 3/8 in drive size and a 3/8 in tip size, featuring a fixed insert design. It has an overall length of 6 3/32 in and is SAE. This socket bit is manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J4912BD ball-end hex bit socket used for?

The PROTO J4912BD is a ball-end hex bit socket used for driving hex fasteners at an angle in tight or hard-to-reach spaces. Its 3/8 in drive and 3/8 in tip size suit automotive, industrial, and maintenance applications where straight access is limited.

What are the specifications of the PROTO J4912BD socket bit?

The PROTO J4912BD has a 3/8 in drive size, a 3/8 in ball hex tip, and an overall length of 6 3/32 in. It features a fixed insert design and is SAE. The manufacturer part number is J4912BD.

Where to buy the PROTO J4912BD ball-end hex bit socket worldwide?

3G Electric supplies the PROTO J4912BD ball-end hex bit socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and a quote.

How to select the correct ball-end hex bit socket for a job?

To select the correct ball-end hex bit socket, match the drive size (e.g., 3/8 in) to your ratchet or driver, and the tip size (e.g., 3/8 in) to the fastener. The PROTO J4912BD’s ball tip allows angled access, while overall length (6 3/32 in) affects reach.

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 ball-end 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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