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PROTO Impact Socket Bit : SAE, 5/16 in Tip Size, 3 1/4 in Overall Lg, Fixed Insert - Hex Impact Bit Sockets
PROTOHex Impact Bit Sockets

PROTO Impact Socket Bit : SAE, 5/16 in Tip Size, 3 1/4 in Overall Lg, Fixed Insert

The PROTO J74415/16 is a SAE hex impact bit socket with a 5/16-inch tip size and 3 1/4-inch overall length. It features a Fixed Insert design and is manufactured by PROTO under part number J74415/16.

SKU 3G-OTH-310847

Also listed as: J7441516 · J74415 16 · J74415-16

Brand
PROTO
Item
Impact Socket Bit : SAE, 5/16 in Tip Size, 3 1/4 in Overall Lg, Fixed Insert
Category
Hex Impact Bit Sockets
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J74415/16
Type
Fixed Insert, J74415/16
Overall Lg
3 1/4 in
Tip Size
5/16 in

Technical Documents

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

Product Description

The PROTO J74415/16 is a SAE hex impact bit socket with a 5/16-inch tip size and 3 1/4-inch overall length. It features a Fixed Insert design and is manufactured by PROTO under part number J74415/16.

Frequently Asked Questions

What is the PROTO J74415/16 impact socket bit used for?

The PROTO J74415/16 is a SAE hex impact bit socket designed for driving hex fasteners with a 5/16-inch tip size. It is commonly used in automotive repair, heavy equipment maintenance, and industrial assembly where impact tools are required. Its fixed insert design provides secure engagement and durability under high torque.

What are the specifications of the PROTO J74415/16 hex impact bit socket?

The PROTO J74415/16 is a fixed insert hex impact bit socket with a 5/16-inch tip size and 3 1/4-inch overall length. It is part of the PROTO J74415/16 series, designed for SAE fasteners. The socket is built for use with impact drivers and wrenches in demanding industrial applications.

Where to buy the PROTO J74415/16 impact socket worldwide?

You can source the PROTO J74415/16 hex impact bit 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 components to industrial buyers globally.

How to select the correct PROTO impact socket bit for SAE fasteners?

To select the correct PROTO impact socket bit, match the tip size to your fastener's hex drive—here 5/16 inch. Ensure the overall length (3 1/4 inches) provides adequate reach. Choose a fixed insert design for high-torque applications. Always use impact-rated sockets with impact tools to prevent breakage and ensure safety.

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 impact bit sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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