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

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

The PROTO Socket Bit (MPN J49901/4XL) is a hex bit socket with a 3/8 in drive size, a 1/4 in hex tip size, and a 6 3/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

SKU 3G-OTH-305330

Also listed as: J499014XL · J49901 4XL · J49901-4XL

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 6 3/32 in Overall Lg
Category
Hex Bit Sockets
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
J49901/4XL
Type
Hex Tip, Fixed Insert
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 Socket Bit (MPN J49901/4XL) is a hex bit socket with a 3/8 in drive size, a 1/4 in hex tip size, and a 6 3/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

Frequently Asked Questions

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

The PROTO Socket Bit J49901/4XL is used for driving hex fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 1/4 in hex tip suit automotive, manufacturing, and mechanical applications where a fixed insert design provides secure engagement.

What are the specifications of the PROTO Socket Bit J49901/4XL?

The PROTO Socket Bit J49901/4XL has a 3/8 in drive size, a 1/4 in hex tip size, and a 6 3/32 in overall length. It features a fixed insert design and is manufactured by PROTO. The part number is J49901/4XL.

Where to buy the PROTO Socket Bit J49901/4XL worldwide?

3G Electric supplies the PROTO Socket Bit J49901/4XL 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.

How to select the correct PROTO hex bit socket?

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. Consider overall length for reach. The J49901/4XL fixed insert design suits high-torque applications.

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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PROTO Socket: Metric, 1/4 in Drive Size, 8 mm Socket Size, 6-Point, Std, Chrome, Not Tether Capable (MPN J4708M)

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