PROTO J5441-18M Hex Bit Socket, 18 mm, 4 in Overall Length
The PROTO Socket Bit (MPN J5441-18M) is a 1/2 in drive size hex bit socket with a fixed insert design. It features an 18 mm hex tip size and a 4 in overall length, offered in metric sizing.
SKU 3G-OTH-305477
Also listed as: J544118M · J5441 18M
Local availability & support
- 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 J5441-18M) is a 1/2 in drive size hex bit socket with a fixed insert design. It features an 18 mm hex tip size and a 4 in overall length, offered in metric sizing.
Frequently Asked Questions
What is the PROTO J5441-18M socket bit used for?
The PROTO J5441-18M is a 1/2 in drive hex bit socket used to drive hex-head fasteners in industrial assembly, maintenance, and repair. Its 18 mm metric tip and 4 in length suit automotive, machinery, and plant applications where deep-reach or fixed-insert torque is required.
What are the specifications of the PROTO J5441-18M hex bit socket?
The PROTO J5441-18M has a 1/2 in square drive, 18 mm hex tip, 4 in overall length, and a fixed insert design. It is a metric hex bit socket, part number J5441-18M, manufactured by PROTO. The fixed insert ensures secure bit retention during high-torque use.
Where to buy the PROTO J5441-18M hex bit socket worldwide?
3G Electric supplies the PROTO J5441-18M hex bit socket worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this PROTO socket bit to any country.
How to select the correct PROTO hex bit socket for my application?
Match the drive size (1/2 in) to your ratchet or impact wrench, and the hex tip size (18 mm) to your fastener. The 4 in length provides reach in recessed areas. For high-torque or repetitive use, the PROTO fixed insert design reduces bit slippage and extends tool life.
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.
