PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 7 mm Tip Size, 2 3/4 in Overall Lg
The PROTO J4990R-7M is a hex bit socket with a 3/8 in drive size and a 7 mm hex tip size. It features a fixed insert design and has an overall length of 2 3/4 in. This socket bit is manufactured by PROTO.
SKU 3G-OTH-305390
Also listed as: J4990R7M · J4990R 7M
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
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Product Description
The PROTO J4990R-7M is a hex bit socket with a 3/8 in drive size and a 7 mm hex tip size. It features a fixed insert design and has an overall length of 2 3/4 in. This socket bit is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J4990R-7M hex bit socket used for?
The PROTO J4990R-7M hex bit socket is used for driving hex-head fasteners in industrial maintenance, assembly, and repair applications. Its 3/8 in drive and 7 mm hex tip suit precision torque work on machinery, automotive, and equipment where a fixed insert design provides secure engagement.
What are the specifications of the PROTO J4990R-7M?
The PROTO J4990R-7M is a hex bit socket with a 3/8 in drive size, 7 mm hex tip size, and 2 3/4 in overall length. It features a fixed insert design and is manufactured by PROTO under part number J4990R-7M. The hex tip allows for positive grip on hex fasteners.
Where to buy the PROTO J4990R-7M worldwide?
3G Electric supplies the PROTO J4990R-7M hex bit socket to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this PROTO socket bit for your industrial tooling needs.
How to select the correct hex bit socket size?
To select the correct hex bit socket like the PROTO J4990R-7M, match the drive size (3/8 in) to your ratchet or driver, and the tip size (7 mm) to the hex fastener. Ensure overall length (2 3/4 in) provides clearance. For fixed insert designs, verify the tip is fully seated to avoid cam-out.
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.
