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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces - Hex Bit Socket Sets
PROTOHex Bit Socket Sets

PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces

The PROTO Socket Bit Set: 1 is a 25-piece hex bit socket set with a 3/8 in drive size. It includes 7 pieces with a tip size range of 4 mm to 10 mm and features a fixed insert design. The set is identified by…

SKU 3G-OTH-310729

Brand
PROTO
Item
Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces
Category
Hex Bit Socket Sets
Available to Order
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Local availability & support

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
J4990R7MM
Type
- 25 Pieces
Pieces
7
Drive Size
3/8 in
Tip Size Range
4 mm to 10 mm

Technical Documents

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

Product Description

The PROTO Socket Bit Set: 1 is a 25-piece hex bit socket set with a 3/8 in drive size. It includes 7 pieces with a tip size range of 4 mm to 10 mm and features a fixed insert design. The set is identified by manufacturer part number J4990R7MM.

Frequently Asked Questions

What is the PROTO J4990R7MM hex bit socket set used for?

The PROTO J4990R7MM hex bit socket set is used for driving hex fasteners in industrial maintenance, assembly, and repair. Its 3/8 in drive and 4 mm to 10 mm tip range suit automotive, machinery, and plant applications where precise torque on hex bolts is required.

What are the specifications of the PROTO J4990R7MM socket set?

The PROTO J4990R7MM is a 25-piece hex bit socket set with a 3/8 in drive size. It includes 7 pieces covering a tip size range of 4 mm to 10 mm, featuring a fixed insert design. The set is identified by manufacturer part number J4990R7MM.

Where to buy the PROTO J4990R7MM hex bit socket set worldwide?

3G Electric supplies the PROTO J4990R7MM hex bit socket set worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this PROTO socket set to your facility, ensuring compliance with local import requirements.

How to select the right PROTO hex bit socket set for my application?

To select the right PROTO hex bit socket set, match the drive size (e.g., 3/8 in) to your ratchet or torque wrench, and ensure the tip size range (e.g., 4 mm to 10 mm) covers your fastener sizes. For hex bolts in tight spaces, the fixed insert design of the J4990R7MM provides secure engagement.

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

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