PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 6 mm Tip Size, 2 23/32 in Overall Lg
The PROTO Socket Bit (MPN J4990-6M) is a hex bit socket with a 3/8 in drive size and a 6 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…
SKU 3G-OTH-305272
Also listed as: J49906M · J4990 6M
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
Need installation or engineering help?
Ask a question
Product Description
The PROTO Socket Bit (MPN J4990-6M) is a hex bit socket with a 3/8 in drive size and a 6 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.
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 J4990-6M socket bit used for?
The PROTO J4990-6M hex bit socket is used to drive hex-head fasteners in industrial assembly, maintenance, and repair tasks. Its 6 mm hex tip and 3/8 in drive size make it suitable for automotive, machinery, and equipment applications where a fixed insert design provides secure engagement.
What are the specifications of the PROTO J4990-6M socket bit?
The PROTO J4990-6M is a hex bit socket with a 3/8 in drive size, a 6 mm hex tip, and a fixed insert design. Its overall length is 2 23/32 in. The manufacturer part number is J4990-6M, and it is branded by PROTO. It is intended for use with compatible drive tools.
Where to buy the PROTO J4990-6M socket bit worldwide?
3G Electric supplies the PROTO J4990-6M 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 to source this PROTO-branded tool for your operations.
How to select the correct PROTO socket bit for a job?
To select the correct PROTO socket bit, match the drive size (e.g., 3/8 in) to your ratchet or driver, and the tip size (e.g., 6 mm hex) to the fastener. The fixed insert design of the J4990-6M provides a secure fit for hex-head screws. 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.
