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PROTO Socket Bit Set: 1 - Hex Bit Socket Sets
PROTOHex Bit Socket Sets

PROTO Socket Bit Set: 1

The PROTO Socket Bit Set (SKU 4JW01, MPN J4990-7ST) is a 25-piece hex bit socket set with a 3/8 in drive size. It features a fixed insert design and includes 7 pieces covering a tip size range of 1/8 in to 3/8 in.

SKU 3G-OTH-310723

Brand
PROTO
Item
Socket Bit Set: 1
Category
Hex Bit Socket Sets
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Technical Specifications

PROTO
attr1216280
Fixed Insert
attr1216283
PROTO
attr1225718
1/8 in to 3/8 in
attr1227491
3/8 in
Manufacturer Part Number
J4990-7ST
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Bit Set (SKU 4JW01, MPN J4990-7ST) is a 25-piece hex bit socket set with a 3/8 in drive size. It features a fixed insert design and includes 7 pieces covering a tip size range of 1/8 in to 3/8 in.

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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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 4 mm to 10 mm Tip Size Range (MPN J4990-MST). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 4 mm to 10 mm; attr1227491: 3/8 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 4 mm to 10 mm Tip Size Range (MPN J4990-MST). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 4 mm to 10 mm; attr1227491: 3/8 in.
PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 4 mm to 10 mm Tip Size Range (MPN J4990-SMA). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 4 mm to 10 mm; attr1227491: 3/8 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 1/8 in to 3/8 in Tip Size Range (MPN J4990R7SAE). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/8 in to 3/8 in; attr1227491: 3/8 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 1/8 in to 3/8 in Tip Size Range (MPN J4990R7SAE). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/8 in to 3/8 in; attr1227491: 3/8 in.
PROTO Socket Bit Set: 1 - 25 Pieces, 1/2 in Drive Size, 7 Pieces, 1/4 in to 5/8 in Tip Size Range (MPN J5441-7). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/4 in to 5/8 in; attr1227491: 1/2 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 1/2 in Drive Size, 7 Pieces, 1/4 in to 5/8 in Tip Size Range (MPN J5441-7). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/4 in to 5/8 in; attr1227491: 1/2 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 1/4 in Drive Size, 8 Pieces, 1.5 mm to 7 mm Tip Size Range (MPN J7440R8MM). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1.5 mm to 7 mm; attr1227491: 1/4 in.
PROTO Socket Bit Set: 1 - 25 Pieces, 1/4 in Drive Size, 4 Pieces, 1/2 in to 9/16 in Tip Size Range (MPN J4770-11). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/2 in to 9/16 in; attr1227491: 1/4 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 1/4 in Drive Size, 4 Pieces, 1/2 in to 9/16 in Tip Size Range (MPN J4770-11). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/2 in to 9/16 in; attr1227491: 1/4 in.

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PROTO Hex Bit Set: 51 or More Pieces, 1/4 in, 3/8 in, 1/2 in Drive Size, 54 Pieces, Fixed Insert (MPN J47354). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 5/8 in to 2 in; attr1227491: 1/4 in, 3/8 in, 1/2 in.
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PROTO Hex Bit Set: 1 - 25 Pieces, 3/8 in, 1/2 in Drive Size, 10 Pieces, Fixed Insert, SAE (MPN J52110H). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 1/8 in to 9/16 in; attr1227491: 3/8 in, 1/2 in.
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PROTO Socket Bit Set: 1 - 25 Pieces, 3/8 in Drive Size, 7 Pieces, 4 mm to 10 mm Tip Size Range (MPN J4990R7MM). Key specifications — attr1216280: Fixed Insert; attr1216283: PROTO; attr1225718: 4 mm to 10 mm; attr1227491: 3/8 in.
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