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PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 2.5 mm Tip Size, 1 7/8 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 1/4 in Drive Size, Hex Tip, 2.5 mm Tip Size, 1 7/8 in Overall Lg

The PROTO Socket Bit is a hex bit socket with a 1/4 in drive size and a 2.5 mm hex tip, featuring a fixed insert design. It has an overall length of 1 7/8 in and is identified by manufacturer part number J4770-2.5M.

SKU 3G-OTH-305227

Also listed as: J477025M · J4770 2 5M · J4770-2-5M

Brand
PROTO
Item
Socket Bit: 1/4 in Drive Size, Hex Tip, 2.5 mm Tip Size, 1 7/8 in Overall Lg
Category
Hex Bit Sockets
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J4770-2.5M
Type
Hex Tip, Fixed Insert
Overall Lg
1 7/8 in
Tip Size
2.5 mm

Technical Documents

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Bit is a hex bit socket with a 1/4 in drive size and a 2.5 mm hex tip, featuring a fixed insert design. It has an overall length of 1 7/8 in and is identified by manufacturer part number J4770-2.5M.

Frequently Asked Questions

What is the PROTO J4770-2.5M socket bit used for?

The PROTO J4770-2.5M socket bit is used for driving hex-head fasteners in assembly, maintenance, and repair tasks. Its 2.5 mm hex tip and 1/4 in drive size make it suitable for precision work in automotive, industrial, and mechanical applications where a fixed insert design provides secure engagement.

What are the specifications of the PROTO J4770-2.5M hex bit socket?

The PROTO J4770-2.5M is a fixed insert hex bit socket with a 1/4 in drive size and a 2.5 mm hex tip size. Its overall length is 1 7/8 in. The manufacturer part number is J4770-2.5M, and it is designed for reliable torque transfer in tight spaces.

Where to buy the PROTO J4770-2.5M socket bit worldwide?

You can source the PROTO J4770-2.5M socket bit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this PROTO hex bit socket.

How to select the correct PROTO hex bit socket for your application?

To select the correct PROTO hex bit socket, match the drive size (e.g., 1/4 in) to your ratchet or driver, and the tip size (e.g., 2.5 mm) to the fastener. Consider overall length for access. The J4770-2.5M fixed insert design suits applications requiring a non-removable bit for consistent engagement.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO 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.

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