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PROTO J4988M L-Shaped Hex Key Set, 15 Pieces, Metric, Short Arm, Black Oxide - L-Shaped Hex Key Sets
PROTOL-Shaped Hex Key Sets

PROTO J4988M L-Shaped Hex Key Set, 15 Pieces, Metric, Short Arm, Black Oxide

The PROTO Hex Key Set (MPN J4988M) is an L-shaped hex key set containing 11 to 15 pieces in metric sizes with standard ends and short arms. The set includes 15 pieces, features a black oxide finish, and is not tether…

SKU 3G-OTH-273478

Brand
PROTO
Item
J4988M L-Shaped Hex Key Set, 15 Pieces, Metric, Short Arm, Black Oxide
Part Number
J4988M
Category
L-Shaped Hex Key Sets
Available to Order
Also known as:J4988MPROTO
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Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

PROTO
Manufacturer Part Number
J4988M
Type
- 15 Pieces, L, Metric, Std End, Short, Box, Black Oxide
Material
Steel
Tips
2
Finish
Black Oxide
Pieces
15
UNSPSC
27111710
End Type
Standard End
Tip Size
0.7 mm 0.9 mm 1.30 mm 1.5 mm 2 mm 2.5 mm 3 mm 4 mm 5 mm 6 mm 8 mm 10 mm 12 mm 14 mm 17 mm
End Shape
Hex
Insulated
Not Insulated Insulated Insulated tools feature voltage-rated grips or coatings that help reduce the risk of electrical shock when working near live circuits and energized components.
Key Shape
L
Standards
ANSI B18.3.2M
Grip Style
Plain
Handle Type
L-Handle
Catalog Page
776
Tether Ready
Not Tether Capable Tether Ready Tether-ready tools accept a lanyard that connects to an anchor point, preventing injuries or loss if tools are dropped. They are commonly used when working at heights.
Length Family
Short
Tip Size Code
H0.7 H0.9 H1.3 H1.5 H10 H12 H14 H17 H2 H2.5 H3 H4 H5 H6 H8
Container Type
Box
Number of Tips
2
Driver Material
Alloy Steel
Handle Material
Alloy Steel
Measurement Type
Metric
Number of Pieces
15
Country of Origin
USA (subject to change)
Corrosion Resistant
Not Corrosion-Resistant
Number of Ball Ends
0

Technical Documents

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

Product Description

The PROTO Hex Key Set (MPN J4988M) is an L-shaped hex key set containing 11 to 15 pieces in metric sizes with standard ends and short arms. The set includes 15 pieces, features a black oxide finish, and is not tether capable. It is packaged in a box and has two tips.

Frequently Asked Questions

What is the PROTO J4988M hex key set used for?

The PROTO J4988M L-shaped hex key set is used for tightening or loosening hex socket fasteners in industrial maintenance, assembly, and repair tasks. Its metric sizes and short arms suit confined spaces, while the black oxide finish provides corrosion resistance. 3G Electric supplies this set globally.

What are the specifications of the PROTO J4988M hex key set?

The PROTO J4988M hex key set includes 15 pieces in metric sizes, with L-shaped design, standard ends, and short arms. It has a black oxide finish, two tips, and is not tether capable. The set comes in a box. 3G Electric sources this PROTO set for worldwide delivery.

Where to buy the PROTO J4988M hex key set worldwide?

You can buy the PROTO J4988M hex key set worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. As a global industrial supplier, we source genuine PROTO tools and provide reliable support for procurement needs.

How to select the right PROTO hex key set for industrial use?

Select a PROTO hex key set based on fastener sizes needed—metric or inch—and workspace constraints. The J4988M offers metric sizes with short arms for tight areas. For general maintenance, a 15-piece set covers common sizes. 3G Electric can help match your application requirements.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO l-shaped hex 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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PROTO
L-shaped hex key set with 13 SAE sizes, single ball end, and long arms for accessing recessed fasteners. Black oxide finish resists corrosion. Includes a holder for organized storage. Suitable for assembly, maintenance, and repair tasks

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