We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PROTO Hex Key Set: 1 - 5 Pieces, Folding, SAE, Std End, Long, 1 Pieces, Black Oxide - Folding Key Sets
PROTOFolding Key Sets

PROTO Hex Key Set: 1 - 5 Pieces, Folding, SAE, Std End, Long, 1 Pieces, Black Oxide

The PROTO Hex Key Set (SKU J4991, MPN J4991) is a folding key set containing 1 to 5 pieces with 8 tips, featuring a black oxide finish. This SAE set includes standard and long ends, and is not tether capable.

SKU 3G-OTH-275292

Also listed as: J 4991 · J-4991

Brand
PROTO
Item
Hex Key Set: 1 - 5 Pieces, Folding, SAE, Std End, Long, 1 Pieces, Black Oxide
Category
Folding Key Sets
Available to Order
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Worldwide Shipping
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Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

PROTO
Manufacturer Part Number
J4991
Type
- 5 Pieces, Folding, SAE, Std End, Long, Black Oxide
Tips
8
Pieces
1

Technical Documents

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

Product Description

The PROTO Hex Key Set (SKU J4991, MPN J4991) is a folding key set containing 1 to 5 pieces with 8 tips, featuring a black oxide finish. This SAE set includes standard and long ends, and is not tether capable.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the PROTO Hex Key Set J4991 used for?

The PROTO Hex Key Set J4991 is a folding SAE hex key set used for tightening or loosening hex socket fasteners in industrial maintenance, automotive repair, and general assembly. Its black oxide finish provides corrosion resistance, and the folding design keeps 8 tips organized for quick access.

What are the specifications of the PROTO Hex Key Set J4991?

The PROTO Hex Key Set J4991 (SKU 3G-OTH-275292) includes 1 to 5 pieces with 8 tips, SAE sizes, standard and long ends, and a black oxide finish. It is not tether capable. The folding design allows compact storage. PROTO manufactures this set for professional use.

Where to buy the PROTO Hex Key Set J4991 worldwide?

You can order the PROTO Hex Key Set J4991 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this PROTO folding key set globally.

How to maintain the PROTO Hex Key Set J4991?

To maintain the PROTO Hex Key Set J4991, wipe the black oxide finish clean after use with a dry cloth to prevent moisture buildup. Store the folding set in a dry environment. Avoid exposing the hex keys to excessive force beyond their SAE-rated capacity to prevent tip damage.

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

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