PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 4 mm Tip Size, 1 7/8 in Overall Lg
The PROTO Socket Bit (MPN J4770-4M) is a 1/4 in drive size hex bit socket with a 4 mm hex tip and 1 7/8 in overall length. It features a fixed insert design and is manufactured by PROTO.
SKU 3G-OTH-305531
Also listed as: J47704M · J4770 4M
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.
Need installation or engineering help?
Ask a question
Product Description
The PROTO Socket Bit (MPN J4770-4M) is a 1/4 in drive size hex bit socket with a 4 mm hex tip and 1 7/8 in overall length. It features a fixed insert design and is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J4770-4M socket bit used for?
The PROTO J4770-4M is a 1/4 in drive hex bit socket used for driving hex fasteners. It is commonly applied in automotive repair, machinery assembly, and general maintenance tasks where a 4 mm hex tip is required.
What are the specifications of the PROTO J4770-4M?
The PROTO J4770-4M has a 1/4 in drive size, a 4 mm hex tip, and a 1 7/8 in overall length. It features a fixed insert design and is manufactured by PROTO under MPN J4770-4M.
Where to buy the PROTO J4770-4M worldwide?
3G Electric supplies the PROTO J4770-4M socket bit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this PROTO hex bit socket.
How to select the correct PROTO hex bit socket?
To select the correct PROTO hex bit socket, match the drive size to your ratchet or driver (e.g., 1/4 in), and ensure the tip size (4 mm) fits your fastener. The overall length (1 7/8 in) affects access in tight spaces. PROTO offers fixed insert designs for durability.
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.
