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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces - Hex Bit Socket Sets
PROTOHex Bit Socket Sets

PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces

The PROTO Socket Bit Set (SKU J4900BD, MPN J4900BD) is a 25-piece hex bit socket set with a 3/8 in drive size. It features a fixed insert design and covers a tip size range of 1/8 in to 3/8 in.

SKU 3G-OTH-310727

Brand
PROTO
Item
Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces
Category
Hex Bit Socket Sets
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J4900BD
Type
- 25 Pieces
Pieces
7
Drive Size
3/8 in
Tip Size Range
1/8 in to 3/8 in

Technical Documents

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

Product Description

The PROTO Socket Bit Set (SKU J4900BD, MPN J4900BD) is a 25-piece hex bit socket set with a 3/8 in drive size. It features a fixed insert design and covers a tip size range of 1/8 in to 3/8 in.

Frequently Asked Questions

What is the PROTO Socket Bit Set J4900BD used for?

The PROTO Socket Bit Set J4900BD is used for driving hex fasteners in industrial assembly, maintenance, and repair tasks. It is ideal for mechanics and technicians working on machinery, automotive, or equipment where precise torque application on hex socket screws is required.

What are the specifications of the PROTO Socket Bit Set J4900BD?

The PROTO Socket Bit Set J4900BD includes 25 pieces with a 3/8 in drive size and a tip size range of 1/8 in to 3/8 in. It features a fixed insert design. The set is manufactured by PROTO and is suitable for professional use in industrial settings.

Where to buy the PROTO Socket Bit Set J4900BD worldwide?

You can source the PROTO Socket Bit Set J4900BD through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the set reaches your facility efficiently.

How to select the correct PROTO hex bit socket set?

To select the correct PROTO hex bit socket set, match the drive size (e.g., 3/8 in) to your ratchet or driver, and ensure the tip size range (e.g., 1/8 in to 3/8 in) covers your fastener sizes. The J4900BD set offers a fixed insert design for secure bit retention during use.

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

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