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 (MPN J49901/4) is a 3/8 in drive size hex bit socket with a 1/4 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.
SKU 3G-OTH-305207
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Product Description
The PROTO Socket Bit (MPN J49901/4) is a 3/8 in drive size hex bit socket with a 1/4 in tip size and 2 23/32 in overall length. It features a fixed insert design and is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J49901/4 socket bit used for?
The PROTO J49901/4 hex bit socket is used for driving hex-head fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 1/4 in tip size make it suitable for automotive, manufacturing, and mechanical applications where precise torque transfer is required.
What are the specifications of the PROTO J49901/4 hex bit socket?
The PROTO J49901/4 is a fixed-insert hex bit socket with a 3/8 in drive size, 1/4 in hex tip size, and 2 23/32 in overall length. It is manufactured by PROTO and designed for heavy-duty use. The fixed insert ensures secure bit retention during operation.
Where to buy the PROTO J49901/4 socket bit worldwide?
3G Electric supplies the PROTO J49901/4 hex bit socket 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 on this PROTO socket bit.
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 wrench, and the tip size (e.g., 1/4 in) to the fastener. Consider overall length for access in tight spaces. The J49901/4 fixed-insert design is ideal for high-torque applications requiring bit stability.
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.















