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PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 9 mm Tip Size, 2 23/32 in Overall Lg - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 9 mm Tip Size, 2 23/32 in Overall Lg

The PROTO J4990-9M is a hex bit socket with a 3/8 in drive size and a 9 mm hex tip. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO socket bit is suitable for industrial…

SKU 3G-OTH-305250

Brand
PROTO
Item
Socket Bit: 3/8 in Drive Size, Hex Tip, 9 mm Tip Size, 2 23/32 in Overall Lg
Category
Hex Bit Sockets
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Technical Specifications

PROTO
Manufacturer Part Number
J4990-9M
Type
Hex Tip, Fixed Insert
Overall Lg
2 23/32 in
Tip Size
9 mm
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Technical Documents

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

Product Description

The PROTO J4990-9M is a hex bit socket with a 3/8 in drive size and a 9 mm hex tip. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO socket bit is suitable for industrial fastening applications.

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.

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