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PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/8 in Tip Size, 1 13/16 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/8 in Tip Size, 1 13/16 in Overall Lg

The PROTO Socket Bit (SKU J49901/8ST, MPN J49901/8ST) is a hex bit socket with a 3/8 in drive size and a 1/8 in hex tip size. It features a Fixed Insert design and has an overall length of 1 13/16 in. This…

SKU 3G-OTH-305462

Also listed as: J499018ST · J49901 8ST · J49901-8ST

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Hex Tip, 1/8 in Tip Size, 1 13/16 in Overall Lg
Category
Hex Bit Sockets
Available to Order
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Technical specs
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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
J49901/8ST
Type
Hex Tip, Fixed Insert
Overall Lg
1 13/16 in
Tip Size
1/8 in

Technical Documents

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

Product Description

The PROTO Socket Bit (SKU J49901/8ST, MPN J49901/8ST) is a hex bit socket with a 3/8 in drive size and a 1/8 in hex tip size. It features a Fixed Insert design and has an overall length of 1 13/16 in. This PROTO-branded tool is intended for use with compatible drive tools.

Frequently Asked Questions

What is the PROTO J49901/8ST socket bit used for?

The PROTO J49901/8ST socket bit is used for driving hex fasteners in industrial assembly and maintenance tasks. Its 3/8 in drive size and 1/8 in hex tip make it suitable for precision work with compatible ratchets or drivers, commonly in automotive and machinery applications.

What are the specifications of the PROTO J49901/8ST hex bit socket?

The PROTO J49901/8ST hex bit socket has a 3/8 in drive size, a 1/8 in hex tip size, and a fixed insert design. Its overall length is 1 13/16 in. This PROTO-branded tool is designed for use with compatible drive tools and is identified by MPN J49901/8ST.

Where to buy the PROTO J49901/8ST socket bit worldwide?

You can source the PROTO J49901/8ST socket bit worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO hex bit socket.

How to select the correct PROTO hex bit socket for a job?

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., 1/8 in) to the fastener. Consider the overall length for access. The J49901/8ST fixed insert design suits applications requiring a non-removable bit.

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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