Nail Gun Triggers
Nail gun safety starts with understanding the various trigger mechanisms. Let's take a look at what you need to know.
This nail gun features a "selectable trigger."
How Triggers Differ
All nailers rely on two basic controls: a finger trigger and a contact safety tip located on the nose of the gun. Trigger mechanisms can vary based on:
- the order in which the controls are activated, and
- whether the trigger can be held in the squeezed position to discharge multiple nails OR released and then squeezed again for each individual nail.
Combining the above variations gives four kinds of triggers. Some nail guns have a selective trigger switch which allows the user to choose among two or more trigger systems.
Four nail gun trigger types are recognized by OSHA. They are:
- Contact Firing,
- Full Sequential,
- Single Sequential, and
- Single Actuation,
Each trigger type is described in the next few section. We also provide a brief description of how the controls are activated.
Knowledge Check Choose the best answer for the question.
1-3. What two types of controls do nailers rely on?
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