PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 10 mm Tip Size, 2 23/32 in Overall Lg
The PROTO Socket Bit (SKU 3G-OTH-305457, MPN J4990-10M-TT) is a hex bit socket with a 3/8 in drive size and a 10 mm hex tip. It features a fixed insert design and has an overall length of 2 23/32 in. This…
SKU 3G-OTH-305457
Also listed as: J499010MTT · J4990 10M TT
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 Socket Bit (SKU 3G-OTH-305457, MPN J4990-10M-TT) is a hex bit socket with a 3/8 in drive size and a 10 mm hex tip. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO-branded tool is intended for use with compatible drive tools.
Frequently Asked Questions
What is the PROTO Socket Bit J4990-10M-TT used for?
The PROTO Socket Bit J4990-10M-TT is a hex bit socket used to drive hex-head fasteners. It is commonly applied in automotive repair, machinery assembly, and general maintenance where a 10 mm hex tip is required. The 3/8 in drive size connects to standard ratchets or torque wrenches.
What are the specifications of the PROTO Socket Bit J4990-10M-TT?
The PROTO Socket Bit J4990-10M-TT has a 3/8 in drive size, a 10 mm hex tip, and an overall length of 2 23/32 in. It features a fixed insert design and is manufactured by PROTO. The MPN is J4990-10M-TT and the SKU is 24AJ53.
Where to buy the PROTO Socket Bit J4990-10M-TT worldwide?
You can source the PROTO Socket Bit J4990-10M-TT through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct PROTO socket bit for a job?
To select the correct PROTO socket bit, match the drive size to your ratchet or driver (e.g., 3/8 in), and the tip size to the fastener head (e.g., 10 mm hex). Confirm the overall length fits your workspace. The fixed insert design of the J4990-10M-TT suits standard hex fasteners.
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.
