PROTO J4990R-9M Hex Bit Socket, 9 mm Tip, 2 3/4 in Overall Length
The PROTO J4990R-9M is a hex bit socket with a 3/8 in drive size and a 9 mm hex tip size, featuring a fixed insert design. It has an overall length of 2 3/4 in and is manufactured by PROTO.
SKU 3G-OTH-305522
Also listed as: J4990R9M · J4990R 9M
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Product Description
The PROTO J4990R-9M is a hex bit socket with a 3/8 in drive size and a 9 mm hex tip size, featuring a fixed insert design. It has an overall length of 2 3/4 in and is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J4990R-9M hex bit socket used for?
The PROTO J4990R-9M hex bit socket is used for driving hex-head fasteners in industrial assembly, maintenance, and repair applications. Its 9 mm hex tip and 3/8 in drive make it suitable for automotive, manufacturing, and mechanical tasks requiring precise torque transfer.
What are the specifications of the PROTO J4990R-9M hex bit socket?
The PROTO J4990R-9M hex bit socket has a 3/8 in drive size, a 9 mm hex tip size, and a fixed insert design. Its overall length is 2 3/4 in. The manufacturer part number is J4990R-9M, and it is made by PROTO.
Where to buy the PROTO J4990R-9M hex bit socket worldwide?
You can source the PROTO J4990R-9M hex bit socket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.
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 driver, and the tip size (e.g., 9 mm) to the fastener. The J4990R-9M fixed insert design suits applications requiring a non-removable bit for consistent engagement.
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.
