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PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 2 23/32 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 2 23/32 in Overall Lg

The PROTO Socket Bit (MPN J49901/4) is a 3/8 in drive size hex bit socket with a 1/4 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

SKU 3G-OTH-305207

Also listed as: J499014 · J49901 4 · J49901-4

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 2 23/32 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
J49901/4
Type
Hex Tip, Fixed Insert
Overall Lg
2 23/32 in
Tip Size
1/4 in

Technical Documents

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

Product Description

The PROTO Socket Bit (MPN J49901/4) is a 3/8 in drive size hex bit socket with a 1/4 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J49901/4 socket bit used for?

The PROTO J49901/4 hex bit socket is used for driving hex-head fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 1/4 in tip size make it suitable for automotive, manufacturing, and mechanical applications where precise torque transfer is required.

What are the specifications of the PROTO J49901/4 hex bit socket?

The PROTO J49901/4 is a fixed-insert hex bit socket with a 3/8 in drive size, 1/4 in hex tip size, and 2 23/32 in overall length. It is manufactured by PROTO and designed for heavy-duty use. The fixed insert ensures secure bit retention during operation.

Where to buy the PROTO J49901/4 socket bit worldwide?

3G Electric supplies the PROTO J49901/4 hex bit socket worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO socket bit.

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., 3/8 in) to your ratchet or wrench, and the tip size (e.g., 1/4 in) to the fastener. Consider overall length for access in tight spaces. The J49901/4 fixed-insert design is ideal for high-torque applications requiring bit stability.

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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