PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 5 mm Tip Size, 1 25/32 in Overall Lg
The PROTO Socket Bit (SKU 3G-OTH-305458, MPN J4990-5MST) is a hex bit socket with a 3/8 in drive size and a 5 mm hex tip size. It features a fixed insert design and has an overall length of 1 25/32 in. This…
SKU 3G-OTH-305458
Also listed as: J49905MST · J4990 5MST
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The PROTO Socket Bit (SKU 3G-OTH-305458, MPN J4990-5MST) is a hex bit socket with a 3/8 in drive size and a 5 mm hex tip size. It features a fixed insert design and has an overall length of 1 25/32 in. This PROTO-branded tool is intended for use with compatible drive tools.
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 J4990-5MST socket bit used for?
The PROTO J4990-5MST is a 3/8 in drive hex bit socket with a 5 mm hex tip, used for driving hex fasteners in assembly, maintenance, and repair tasks across industrial and automotive applications.
What are the specifications of the PROTO J4990-5MST hex bit socket?
The PROTO J4990-5MST has a 3/8 in drive size, a 5 mm hex tip size, a fixed insert design, and an overall length of 1 25/32 in. It is a PROTO-branded hex bit socket for use with compatible drive tools.
Where to buy the PROTO J4990-5MST socket bit worldwide?
3G Electric supplies the PROTO J4990-5MST hex bit socket worldwide. We handle full logistics, customs clearance, and delivery to your location, ensuring you receive genuine PROTO tools for your industrial needs.
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., 5 mm) to the fastener. The J4990-5MST fixed insert design 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.
