AMPCO Hex Key Set: 6 - 10 Pieces, L, Metric, Std End, Short, 10 Pieces, Pouch
The AMPCO Hex Key Set (SKU 4RNX9, MPN M-42M) is a non-sparking L-key set with 10 metric pieces, unfinished finish, and a pouch. It features standard-end short tips and is not tether capable, covering 6–10 pieces.
SKU 3G-OTH-593983
Need installation or engineering help?
Ask a question
Product Description
The AMPCO Hex Key Set (SKU 4RNX9, MPN M-42M) is a non-sparking L-key set with 10 metric pieces, unfinished finish, and a pouch. It features standard-end short tips and is not tether capable, covering 6–10 pieces.
Frequently Asked Questions
What is the AMPCO Hex Key Set used for?
The AMPCO Hex Key Set (MPN M-42M) is used in hazardous environments where non-sparking tools are required, such as oil refineries, chemical plants, and gas facilities. Its 10-piece metric L-key set with short tips and pouch provides safe fastener adjustment without ignition risk.
What are the specifications of the AMPCO Hex Key Set?
This AMPCO set includes 10 metric L-keys with standard-end short tips, unfinished finish, and a pouch. It has 1 tip per key, covers 6–10 pieces, and is not tether capable. The manufacturer part number is M-42M, and the SKU is 4RNX9.
Where to buy the AMPCO Hex Key Set worldwide?
3G Electric supplies the AMPCO Hex Key Set (MPN M-42M) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this non-sparking metric hex key set.
How to select the right AMPCO Hex Key Set?
Select the AMPCO Hex Key Set (MPN M-42M) when you need non-sparking metric L-keys for explosive atmospheres. Verify your required hex sizes (6–10 pieces) and confirm short-tip length suits your application. For other sizes or tether-capable options, consult 3G Electric for alternatives.
Used in
Common applications for AMPCOAMPCO Products
3G Electric supplies AMPCO non-sparking hex key sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


