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PROTO Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 1/4 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, 1/4 in Tip Size, 6 3/32 in Overall Lg

The PROTO J4908BD is a ball-end hex bit socket with a 3/8 in drive size and a 1/4 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-305951

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 1/4 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
J4908BD
Type
Ball Hex Tip, SAE
Overall Lg
6 3/32 in
Tip Size
1/4 in

Technical Documents

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

Product Description

The PROTO J4908BD is a ball-end hex bit socket with a 3/8 in drive size and a 1/4 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 J4908BD ball-end hex bit socket used for?

The PROTO J4908BD ball-end hex bit socket is used for driving hex fasteners at an angle, making it ideal for hard-to-reach applications in automotive repair, industrial maintenance, and assembly work. Its ball-end design allows engagement at up to 25 degrees off-axis.

What are the specifications of the PROTO J4908BD socket bit?

The PROTO J4908BD has a 3/8 in drive size, a 1/4 in tip size, and a ball hex tip. It features a fixed insert design with an overall length of 6 3/32 in. This SAE socket bit is manufactured by PROTO under MPN J4908BD.

Where to buy the PROTO J4908BD socket bit worldwide?

You can source the PROTO J4908BD ball-end hex bit socket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine PROTO tools for your operations.

How to select the correct PROTO ball-end hex bit socket?

To select the correct PROTO ball-end hex bit socket, match the drive size (3/8 in) to your ratchet or driver, and the tip size (1/4 in) to your fastener. Consider the overall length (6 3/32 in) for clearance. The ball-end design allows angled access, ideal for confined spaces.

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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Cross-referenced by specification & description
PROTO Socket Bit: 1/4 in Drive Size, Ball Hex Tip, 1/8 in Tip Size, 1 1/2 in Overall Lg, SAE (MPN J47701/8B)
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PROTO Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 1/8 in Tip Size, 6 3/32 in Overall Lg, SAE (MPN J4904BD)
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PROTO Socket Bit: 3/8 in Drive Size, Ball Hex Tip, 1/8 in Tip Size, 6 3/32 in Overall Lg, SAE (MPN J4904BD)
PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 3/32 in Tip Size, 1 7/8 in Overall Lg, Fixed Insert (MPN J47703/32)
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PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 3/32 in Tip Size, 1 7/8 in Overall Lg, Fixed Insert (MPN J47703/32)

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