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PROTO J78412MP 3/8" Drive Metric Flex Impact Socket - 3/8" Drive Metric Flex Impact Sockets
PROTO3/8" Drive Metric Flex Impact Sockets

PROTO J78412MP 3/8" Drive Metric Flex Impact Socket

The PROTO Flex Impact Socket (MPN J78412MP) is a 3/8" Drive Metric Flex Impact Socket with a 12 mm socket size. It features a 6-point, deep design with a Black Oxide finish and is Not Tether Capable.

SKU 3G-OTH-404347

Brand
PROTO
Item
J78412MP 3/8" Drive Metric Flex Impact Socket
Part Number
J78412MP
Category
3/8" Drive Metric Flex Impact Sockets
Available to Order
Also known as:J78412MPPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J78412MP
Type
6-Point, Deep, Black Oxide, Not Tether Capable, Metric

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

Product Description

The PROTO Flex Impact Socket (MPN J78412MP) is a 3/8" Drive Metric Flex Impact Socket with a 12 mm socket size. It features a 6-point, deep design with a Black Oxide finish and is Not Tether Capable.

Frequently Asked Questions

What is the PROTO Flex Impact Socket J78412MP used for?

The PROTO Flex Impact Socket J78412MP is used for fastening and loosening 12 mm metric fasteners in high-torque applications. Its flex design allows access to fasteners in tight or awkward spaces, making it ideal for automotive, industrial, and maintenance tasks where a standard socket cannot reach.

What are the specifications of the PROTO J78412MP socket?

The PROTO J78412MP is a 3/8" drive metric flex impact socket with a 12 mm socket size. It features a 6-point, deep design with a Black Oxide finish and is Not Tether Capable. The part number is J78412MP, and it is manufactured by PROTO.

Where to buy the PROTO J78412MP flex impact socket worldwide?

3G Electric supplies the PROTO J78412MP flex impact socket to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this PROTO socket for your maintenance or production needs.

How to select the correct PROTO flex impact socket size?

To select the correct PROTO flex impact socket, match the socket size to your fastener's head dimension. For the J78412MP, use a 12 mm metric fastener. Ensure your impact wrench has a 3/8" drive. The 6-point design provides better grip on hex fasteners, reducing rounding risk in high-torque applications.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO 3/8" 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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