PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 6 mm Tip Size, 1 7/8 in Overall Lg
The PROTO Socket Bit (MPN J4770-6M) is a 1/4 in drive size hex bit socket with a 6 mm hex tip and 1 7/8 in overall length. It features a fixed insert design and is manufactured by PROTO.
SKU 3G-OTH-305552
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Product Description
The PROTO Socket Bit (MPN J4770-6M) is a 1/4 in drive size hex bit socket with a 6 mm hex tip and 1 7/8 in overall length. It features a fixed insert design and is manufactured by PROTO.
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 J4770-6M socket bit used for?
The PROTO J4770-6M is a 1/4 in drive hex bit socket with a 6 mm hex tip, designed for driving hex fasteners in assembly, maintenance, and repair tasks across industrial and automotive applications.
What are the specifications of the PROTO J4770-6M hex bit socket?
The PROTO J4770-6M has a 1/4 in drive size, 6 mm hex tip size, 1 7/8 in overall length, and a fixed insert design. It is a hex bit socket manufactured by PROTO under MPN J4770-6M.
Where to buy the PROTO J4770-6M socket bit worldwide?
3G Electric supplies the PROTO J4770-6M socket bit worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source and deliver genuine PROTO tools to your location.
How to select the correct hex bit socket for a 6 mm fastener?
For a 6 mm hex fastener, choose a socket bit with a 6 mm hex tip and a drive size matching your ratchet or driver, such as the 1/4 in drive on the PROTO J4770-6M. Ensure the bit is fixed insert for secure 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.















