PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 8 mm Tip Size, 2 3/4 in Overall Lg
The PROTO Socket Bit (MPN J4990R-8M) is a hex bit socket with a 3/8 in drive size and 8 mm hex tip size, featuring a fixed insert design. It has an overall length of 2 3/4 in and is manufactured by PROTO.
SKU 3G-OTH-305536
Also listed as: J4990R8M · J4990R 8M
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The PROTO Socket Bit (MPN J4990R-8M) is a hex bit socket with a 3/8 in drive size and 8 mm hex tip size, featuring a fixed insert design. It has an overall length of 2 3/4 in and is manufactured by PROTO.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO J4990R-8M socket bit used for?
The PROTO J4990R-8M is a hex bit socket used for driving hex fasteners in industrial assembly, maintenance, and repair tasks. Its 3/8 in drive and 8 mm hex tip suit applications across machining, material handling, and general plant operations where precise torque transfer is required.
What are the specifications of the PROTO J4990R-8M hex bit socket?
The PROTO J4990R-8M is a fixed-insert hex bit socket with a 3/8 in drive size, 8 mm hex tip size, and 2 3/4 in overall length. It is designed for hex fasteners and is manufactured by PROTO under MPN J4990R-8M.
Where to buy the PROTO J4990R-8M socket bit worldwide?
3G Electric supplies the PROTO J4990R-8M hex bit socket to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this PROTO tool.
How to select the correct hex bit socket for a 3/8 in drive ratchet?
Match the drive size (3/8 in) to your ratchet or driver, and choose a tip size (e.g., 8 mm) that fits your fastener. The PROTO J4990R-8M offers a fixed insert for secure engagement. For heavy-duty use, ensure the socket's overall length (2 3/4 in) provides adequate reach.
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.
