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PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 3/16 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, 3/16 in Tip Size, 2 23/32 in Overall Lg

The PROTO Socket Bit (MPN J49903/16) is a 3/8 in drive size hex bit socket with a 3/16 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

SKU 3G-OTH-305199

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Hex Tip, 3/16 in Tip Size, 2 23/32 in Overall Lg
Category
Hex Bit Sockets
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Technical Specifications

PROTO
Manufacturer Part Number
J49903/16
Type
Hex Tip, Fixed Insert
Overall Lg
2 23/32 in
Tip Size
3/16 in
View Full Spec Sheet

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

Product Description

The PROTO Socket Bit (MPN J49903/16) is a 3/8 in drive size hex bit socket with a 3/16 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO J49903/16 hex bit socket used for?

The PROTO J49903/16 hex bit socket is used for driving hex-head fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 3/16 in tip size suit applications across machining, material handling, and general plant operations.

What are the specifications of the PROTO J49903/16 socket bit?

The PROTO J49903/16 socket bit has a 3/8 in drive size, 3/16 in hex tip, and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO under MPN J49903/16. This hex bit socket is built for durability in demanding industrial environments.

Where to buy the PROTO J49903/16 hex bit socket worldwide?

3G Electric supplies the PROTO J49903/16 hex bit socket worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this PROTO socket bit to your facility. Contact us for availability and lead time.

How to select the correct hex bit socket for a 3/8 in drive ratchet?

To select the correct hex bit socket, match the drive size (3/8 in) to your ratchet, and choose a tip size (3/16 in) that fits your fastener. The PROTO J49903/16 fixed insert design provides secure engagement. Always verify overall length (2 23/32 in) for clearance in tight spaces.

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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