PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 8 mm Tip Size, 1 25/32 in Overall Lg
The PROTO J4990-8MST is a hex bit socket with a 3/8 in drive size and a fixed insert design. It features an 8 mm hex tip and a 1 25/32 in overall length, manufactured by PROTO.
SKU 3G-OTH-305438
Also listed as: J49908MST · J4990 8MST
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 J4990-8MST is a hex bit socket with a 3/8 in drive size and a fixed insert design. It features an 8 mm hex tip and a 1 25/32 in overall length, 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 J4990-8MST hex bit socket used for?
The PROTO J4990-8MST is a hex bit socket used for driving hex-head fasteners in industrial assembly, automotive repair, and maintenance applications. Its 3/8 in drive and 8 mm hex tip make it suitable for precision torque applications where a fixed insert design ensures secure bit retention.
What are the specifications of the PROTO J4990-8MST?
The PROTO J4990-8MST has a 3/8 in drive size, an 8 mm hex tip, and a 1 25/32 in overall length. It features a fixed insert design and is manufactured by PROTO under MPN J4990-8MST. The hex tip type ensures compatibility with standard hex fasteners in tight spaces.
Where to buy the PROTO J4990-8MST worldwide?
3G Electric supplies the PROTO J4990-8MST hex bit socket worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO socket.
How to select the correct PROTO hex bit socket for my application?
To select the correct PROTO hex bit socket, match the drive size (3/8 in) to your ratchet or driver, and ensure the tip size (8 mm) fits your fastener. The fixed insert design of the J4990-8MST provides stability for repeated use. Always verify overall length (1 25/32 in) for clearance in confined areas.
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.
