PROTO Impact Socket: 5.5 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable
The PROTO J66555MP is a 1/4" Drive Metric Flex Impact Socket with a 5.5 mm socket size. It features a 12-point standard design with a Black Oxide finish and is Not Tether Capable. This industrial-grade impact socket…
SKU 3G-OTH-314902
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 J66555MP is a 1/4" Drive Metric Flex Impact Socket with a 5.5 mm socket size. It features a 12-point standard design with a Black Oxide finish and is Not Tether Capable. This industrial-grade impact socket is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J66555MP impact socket used for?
The PROTO J66555MP is a 1/4" drive metric flex impact socket designed for heavy-duty fastening and loosening of 5.5 mm fasteners in industrial maintenance, automotive repair, and assembly applications. Its 12-point standard profile and black oxide finish provide corrosion resistance and durability under high-torque impact tool use.
What are the specifications of the PROTO J66555MP impact socket?
The PROTO J66555MP has a 5.5 mm socket size, 1/4" drive, 12-point standard design, and a black oxide finish. It is not tether capable. The manufacturer part number is J66555MP. This metric flex impact socket is built for industrial-grade use with impact wrenches and drivers.
Where to buy the PROTO J66555MP impact socket worldwide?
You can source the PROTO J66555MP impact socket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine PROTO tools to industrial buyers internationally.
How to select the correct PROTO impact socket for a 5.5 mm fastener?
For a 5.5 mm fastener, choose a 5.5 mm socket size with a 1/4" drive, such as the PROTO J66555MP. Ensure the socket is impact-rated (not hand-tool only) and matches the fastener drive type—12-point for hex fasteners. Black oxide finish aids corrosion resistance. Confirm tether capability if required for overhead work.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 1/4" drive metric flex impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
