PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 3/16 in Tip Size, 1 13/16 in Overall Lg
The PROTO J49903/16ST is a hex bit socket with a 3/8 in drive size and a 3/16 in hex tip size, featuring a fixed insert design. This socket bit has an overall length of 1 13/16 in and is manufactured by PROTO under…
SKU 3G-OTH-305467
Also listed as: J4990316ST · J49903 16ST · J49903-16ST
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.
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Product Description
The PROTO J49903/16ST is a hex bit socket with a 3/8 in drive size and a 3/16 in hex tip size, featuring a fixed insert design. This socket bit has an overall length of 1 13/16 in and is manufactured by PROTO under part number J49903/16ST.
Frequently Asked Questions
What is the PROTO J49903/16ST hex bit socket used for?
The PROTO J49903/16ST 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 hex tip suit precision work across machining, material handling, and electrical departments.
What are the specifications of the PROTO J49903/16ST socket bit?
The PROTO J49903/16ST is a fixed-insert hex bit socket with a 3/8 in drive size, a 3/16 in hex tip size, and an overall length of 1 13/16 in. It is manufactured by PROTO under part number J49903/16ST.
Where to buy the PROTO J49903/16ST hex bit socket worldwide?
3G Electric supplies the PROTO J49903/16ST hex bit socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery 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?
Match the drive size of the socket to your ratchet (3/8 in) and the tip size to the fastener hex (3/16 in). The PROTO J49903/16ST fixed-insert design provides a secure fit for repeated use. Always verify overall length for clearance in tight spaces.
Used in
Common applications for PROTOPROTO 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.
