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

PROTO Impact Socket: 5.5 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable - 1/4" Drive Metric Flex Impact Sockets
PROTO1/4" Drive Metric Flex Impact Sockets

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

Brand
PROTO
Item
Impact Socket: 5.5 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable
Category
1/4" Drive Metric Flex Impact Sockets
Available to Order
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Worldwide Shipping
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Technical specs
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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
J66555MP
Type
12-Point, Std, Black Oxide, Not Tether Capable, Metric

Technical Documents

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

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.

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 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 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 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Flex Impact Socket: 15 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77515MP)
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PROTO Flex Impact Socket: 15 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77515MP)
PROTO Flex Impact Socket: 16 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77516MP)
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PROTO Flex Impact Socket: 16 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77516MP)
PROTO Flex Impact Socket: 12 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77512MP)
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PROTO Flex Impact Socket: 12 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77512MP)
PROTO Flex Impact Socket: 14 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77514MP)
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PROTO Flex Impact Socket: 14 mm Socket Size, 12-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77514MP)
PROTO Flex Impact Socket: 19 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77419MP)
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PROTO Flex Impact Socket: 19 mm Socket Size, 6-Point, Std, Black Oxide, Not Tether Capable, Metric (MPN J77419MP)

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