PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 3 mm Tip Size, 1 7/8 in Overall Lg
The PROTO Socket Bit (MPN J4770-3M) is a hex bit socket with a 1/4 in drive size and a 3 mm hex tip size, featuring a fixed insert design. It has an overall length of 1 7/8 in and is manufactured by PROTO.
SKU 3G-OTH-305230
Also listed as: J47703M · J4770 3M
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 (MPN J4770-3M) is a hex bit socket with a 1/4 in drive size and a 3 mm hex tip size, featuring a fixed insert design. It has an overall length of 1 7/8 in and is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J4770-3M socket bit used for?
The PROTO J4770-3M is a hex bit socket used for driving hex-head fasteners in assembly, maintenance, and repair tasks. Its 1/4 in drive size and 3 mm hex tip make it suitable for precision work in automotive, industrial, and mechanical applications where a fixed insert design is required.
What are the specifications of the PROTO J4770-3M socket bit?
The PROTO J4770-3M is a hex bit socket with a 1/4 in drive size, a 3 mm hex tip size, and a fixed insert design. Its overall length is 1 7/8 in. The manufacturer part number is J4770-3M, and it is made by PROTO.
Where to buy the PROTO J4770-3M socket bit worldwide?
3G Electric supplies the PROTO J4770-3M socket bit 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 hex bit socket 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., 1/4 in) to your ratchet or driver, and the tip size (e.g., 3 mm hex) to the fastener. Consider the overall length (e.g., 1 7/8 in) for access. PROTO offers fixed insert designs for secure engagement 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.
