We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 8 mm Tip Size, 3 1/4 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 8 mm Tip Size, 3 1/4 in Overall Lg

The PROTO Socket Bit is a hex bit socket with a 1/2 in drive size and a fixed insert design. It features a hex tip with an 8 mm tip size and an overall length of 3 1/4 in, identified by manufacturer part number J5441-8M.

SKU 3G-OTH-305399

Also listed as: J54418M · J5441 8M

Brand
PROTO
Item
Socket Bit: 1/2 in Drive Size, Hex Tip, 8 mm Tip Size, 3 1/4 in Overall Lg
Category
Hex Bit Sockets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

Technical Specifications

PROTO
Manufacturer Part Number
J5441-8M
Type
Hex Tip, Fixed Insert
Overall Lg
3 1/4 in
Tip Size
8 mm

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO Socket Bit is a hex bit socket with a 1/2 in drive size and a fixed insert design. It features a hex tip with an 8 mm tip size and an overall length of 3 1/4 in, identified by manufacturer part number J5441-8M.

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 J5441-8M socket bit used for?

The PROTO J5441-8M is a hex bit socket used for driving hex fasteners in industrial assembly, maintenance, and repair. Its 1/2 in drive and 8 mm hex tip suit automotive, manufacturing, and heavy equipment applications where a fixed insert design provides secure engagement.

What are the specifications of the PROTO J5441-8M socket bit?

The PROTO J5441-8M is a hex bit socket with a 1/2 in drive size, 8 mm hex tip, and 3 1/4 in overall length. It features a fixed insert design and is identified by manufacturer part number J5441-8M. The tip type is hex, and the insert is non-removable.

Where to buy the PROTO J5441-8M socket bit worldwide?

3G Electric supplies the PROTO J5441-8M socket bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this PROTO hex bit socket globally.

How to select the correct PROTO hex bit socket for a job?

To select the correct PROTO hex bit socket, match the drive size (e.g., 1/2 in) to your ratchet or wrench, and the tip size (e.g., 8 mm) to the fastener. Consider overall length for access. The PROTO J5441-8M fixed insert design is ideal for high-torque applications requiring a secure bit hold.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 9/16 in Tip Size, 3 5/8 in Overall Lg, Fixed Insert (MPN J54419/16)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 9/16 in Tip Size, 3 5/8 in Overall Lg, Fixed Insert (MPN J54419/16)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 1/2 in Tip Size, 3 5/8 in Overall Lg, Fixed Insert (MPN J54411/2)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 1/2 in Tip Size, 3 5/8 in Overall Lg, Fixed Insert (MPN J54411/2)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 12 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-12M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 12 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-12M)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 1/4 in Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J54411/4)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 1/4 in Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J54411/4)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 10 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-10M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 10 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-10M)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 6 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-6M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 6 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-6M)

More from PROTO

View all PROTO parts
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 15 mm Tip Size, 3 41/64 in Overall Lg, Fixed Insert (MPN J5441-15M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 15 mm Tip Size, 3 41/64 in Overall Lg, Fixed Insert (MPN J5441-15M)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 5/16 in Tip Size, 2 3/4 in Overall Lg, Fixed Insert (MPN J5441R-5/16)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 5/16 in Tip Size, 2 3/4 in Overall Lg, Fixed Insert (MPN J5441R-5/16)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 17 mm Tip Size, 4 in Overall Lg, Fixed Insert, Metric (MPN J5441-17M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 17 mm Tip Size, 4 in Overall Lg, Fixed Insert, Metric (MPN J5441-17M)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 6 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-6M-TT)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 6 mm Tip Size, 3 1/4 in Overall Lg, Fixed Insert (MPN J5441-6M-TT)
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 10 mm Tip Size, 2 3/4 in Overall Lg, Fixed Insert (MPN J4990R-10M)
PROTO
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 10 mm Tip Size, 2 3/4 in Overall Lg, Fixed Insert (MPN J4990R-10M)
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 14 mm Tip Size, 3 41/64 in Overall Lg, Fixed Insert (MPN J5441-14M)
PROTO
PROTO Socket Bit: 1/2 in Drive Size, Hex Tip, 14 mm Tip Size, 3 41/64 in Overall Lg, Fixed Insert (MPN J5441-14M)
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 1 13/16 in Overall Lg, Fixed Insert (MPN J49901/4ST)
PROTO
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 1/4 in Tip Size, 1 13/16 in Overall Lg, Fixed Insert (MPN J49901/4ST)
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 6 mm Tip Size, 6 3/32 in Overall Lg, Fixed Insert (MPN J4990-6MXL)
PROTO
PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 6 mm Tip Size, 6 3/32 in Overall Lg, Fixed Insert (MPN J4990-6MXL)