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Ramset Viper 4 Tool Kit

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Product Code: VIPER4

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Description

Tech Specs & Cut Sheets

Buyer's Guide

This is the new Ramset Viper 4! Engineered for safer more reliable firing, the Ramset Viper 4 uses a less expensive sectional pole, sold separately. Base pole is 6 foot add as many 3 foot extensions to reach desired height. (The Viper 4 will not work with older Viper or Lagmaster poles. Viper 4 pole is required) The Viper is the premier tool for use in over head fastening. With it's lightweight, automatic load advance and piston return, this is the tool of choice by ceiling contractors, electricians and low voltage contractors. This is a ceiling only tool and will only fasten overhead. Click here for online certification.

▶ Click here to view Ramset Viper 4 FAQs

What is the Ramset Viper 4 Powder Actuated Tool used for?

The Ramset Viper 4 is a .27-caliber powder actuated tool designed specifically for overhead fastening into concrete and concrete-filled metal deck, allowing installers to work above head height without ladders or lifts.

What are the key features of the Viper 4 tool?

It features automatic load advance, automatic piston return, rugged polyamide housing, overdrive protection with a heavy-duty buffer, and a compact design to fit tight spaces.

Does the Viper 4 require extension poles?

Yes — the Viper 4 must be used with Ramset V4 extension poles to reach overhead surfaces and operate the tool effectively. :contentReference[oaicite:3]{index=3}

What loads and fasteners does the Viper 4 use?

It uses .27 caliber strip loads and fasteners designed for overhead applications. Always use the correct loads recommended by Ramset to ensure performance and safety.

What safety precautions are important when using this tool?

Operators should be trained and certified in powder actuated tool use, post warning signs, keep the area clear, wear eye and hearing protection, and never operate near flammable materials.

How heavy is the Ramset Viper 4 and what size pins can it drive?

The tool weighs about 4.9 lbs and can drive pins up to approximately 1-1/2″ in length, making it suitable for overhead fastening tasks.

The Ramset Viper 4 Overhead Tool
The Ramset Viper 4 tool is a powder actuated tool designed exclusively for fastening overhead. All though being limited to overhead work, it does it well and is quiet and can be extended to longer lengths using extensions. The tool requires a V4-6 base pole. Please note that poles used for the older Viper series of poles will not work. The Viper 4 is a .27 caliber tool, so loads are easy to come by. The “rattle” you hear in the back end of the tools is a lockout ball that prevents the tool from firing unless it in an upright position.

Who Is Ramset Viper 4 Designed For?
The obvious user of the Ramset Viper 4 would be a ceiling contractor but there are other trades that routinely use the tool. Electricians use them for shooting up lighting fixture support wires, BX cable and more. The tool will shoot a ¼-20 or 3/8” rod hanger clip as well. Data Comm, security and low voltage contractors use the tool to support cable runs with grid wire, ¼” all thread and ceiling clips to run smaller cable runs. A J-Hook is available with a ceiling clip attached so you can shoot up a j-hook to a concrete deck from the floor. Signage contactors are another trade that can find a use for the Viper 4. So, in a nutshell, if you want to suspend from the concrete deck the Viper 4 is a good choice.

About The Pole Tool System For The Viper 4
As mentioned above, the Viper 4 requires a pole tool to fire. You would start with what is called a trigger or base pole part #V4-6. These are 6’ long and have a trigger slide handle that actuates the tool. From there, you can add the V4-EXT 3’ extension poles, as many as you need to reach your desired height. The pole system for the tool is super stable so reaching higher decks isn’t an issue.

Firing The Viper 4 Tool
I just wanted to cover the firing procedure for the Ramset Viper 4. While it is straight forward, it is different than the previous generations of Viper Tools. With the earlier versions of the Viper tool, you could simply push up on the pole to fire the tool. With the Viper 4, you need to first depress the tool against the works surface and then push up on the trigger slide to fire the tool. If you just try to “harpoon” the tool, the timing will be off, and it may fire and it may not. Be deliberate with the tool. Compress the tool, then slide up the firing mechanism.

Repair Parts For The Ramset Viper 4 Tool
As for repair parts, I would recommend having a spare piston or driver, a set of return dogs and a buffer on hand. These are wear parts and having them on hand will keep you going. We have a video showing how to replace the piston here. Click here for common repair parts as well as an owner’s manual that features a schematic. I would not recommend opening the back end of the tool. It’s a little tricky. Not super complicated but if you don’t do it a few times, you may struggle.

Features

AUTOMATIC LOAD ADVANCE Load is advanced consistently each time the Viper is fired.
AUTOMATIC PISTON RETURN No time spent manually resetting or cycling the tool. Allows you to work faster.
OVERDRIVE PROTECTION Heavy duty buffer system prevents front end damage caused by piston overdrive —especially through sprayed-on insulation.
OPEN FRONT-END DESIGN Completely redesigned open-ended muzzle keeps your tool cleaner longer.
SIMPLIFIED BARREL RETENTION COLLAR No tools are required for assembly or disassembly.
STABLE STEEL COLLAR The Viper screws securely into the end of the extension pole with the steel collar ensuring a more durable and rigid connection.
Requires new Viper 4 series of sectional pole tool.
3 Year Warranty