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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 (SKU 3G-OTH-305441, MPN J49901/4-TT) is a hex bit socket with a 3/8 in drive size and a 1/4 in hex tip size. It features a fixed insert design and has an overall length of 2 23/32 in. This…

SKU 3G-OTH-305441

Also listed as: J499014TT · J49901 4 TT · J49901-4-TT

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-TT
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 (SKU 3G-OTH-305441, MPN J49901/4-TT) is a hex bit socket with a 3/8 in drive size and a 1/4 in hex tip size. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO-branded tool is a fixed-insert hex bit socket for industrial applications.

Frequently Asked Questions

What is the PROTO Socket Bit J49901/4-TT used for?

The PROTO Socket Bit J49901/4-TT is a fixed-insert hex bit socket used to drive hex-head fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 1/4 in hex tip suit applications in automotive, manufacturing, and heavy equipment sectors.

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

The PROTO J49901/4-TT has a 3/8 in drive size, a 1/4 in hex tip size, and an overall length of 2 23/32 in. It features a fixed insert design and is manufactured by PROTO under MPN J49901/4-TT. This hex bit socket is built for durable, precise fastening in industrial environments.

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

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

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 driver, and the tip size (e.g., 1/4 in) to the fastener. The J49901/4-TT fixed insert design is ideal for repetitive hex fastening. Confirm overall length clearance in your workspace.

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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Cross-referenced by specification & description
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PROTO Socket: Metric, 3/8 in Drive Size, 22 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J5222MH)
PROTO Socket: SAE, 3/8 in Drive Size, 7/8 in Socket Size, 12-Point, Std, Black Oxide, Socket (MPN J5228B)
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PROTO Socket: SAE, 3/4 in Drive Size, 7/8 in Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5528)
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PROTO Socket: SAE, 3/4 in Drive Size, 7/8 in Socket Size, 12-Point, Std, Satin, Not Tether Capable (MPN J5528)

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