- Part Number
- 2292-H
- Stroke
- 2″
- Blows/min
- 2,100 [35/sec]
- Weight
- 17 lb
- Air use
- 32–34 CFM
- Overall length
- 12¾″
Airrex®
Airrex Viper ZT 4″ Chipping Hammer — Solid Retainer
.580″ Hex or .680″ Round
Viper ZT-Series Part Numbers
Airrex Viper ZT-Series Chipping Hammer
Viper ZT-2 Hex2" Stroke x 0.580 HexPart No. 2292-H
Viper ZT-3 Hex3" Stroke x 0.580 HexPart No. 3392-H
Viper ZT-4 Hex4" Stroke x 0.580 HexPart No. 4492-H
Viper ZT-2 Round2" Stroke x 0.680 RoundPart No. 2291-R
Viper ZT-3 Round3" Stroke x 0.680 RoundPart No. 3391-R
Viper ZT-4 Round4" Stroke x 0.680 RoundPart No. 4491-R
Overview
The Airrex Viper “ZT” Pneumatic Chipping Hammer is also a Premium Grade Hammer. It is an Inside Trigger, four Bolt Hammer. It is identical to the ZP Series except it has an Inside Trigger.
Like the Viper ZP it is frequently used in Ramp and Bridge Deck work, Foundry work, Light Demolition, Pin Driving and much more. It is capable of all day use.
The range offers 2-, 3- and 4-inch strokes and either a .580 Hex or .680 Round chuck. This gives you a choice of tool length, weight and tooling connection within the ZT series.
Features & Applications
- Inside-trigger design.
- 2-inch models: 17 lb and 2,100 blows per minute.
- 3-inch models: 18 lb and 1,650 blows per minute.
- 4-inch models: 19 lb and 1,375 blows per minute.
- Air Consumption: 32–34 to 34–36 cfm at 90 psi.
- Hex and round versions require matching shank, collar and retainer.
Choose Your Chuck:
Viper ZT-Series Part Numbers
Airrex Viper ZT-Series Chipping Hammer
Viper ZT-2 · 2″ stroke · Part No. 2292-H .580″ Hex × Oval Collar
Viper ZT-3 · 3″ stroke · Part No. 3392-H .580″ Hex × Oval Collar
Viper ZT-4 · 4″ stroke · Part No. 4492-H .580″ Hex × Oval Collar
These references identify the models for the selected chuck. Compare the configurations below, and confirm the model, chuck and retainer when requesting a quote.
Select Chuck Size:
You Selected.580″ Hex × Oval Collar
Ready to Order? Call NowSelect Stroke:
| Select Your Hammer | |||
|---|---|---|---|
| Part Number | 2292-H | 3392-H | 4492-H |
| Stroke | 2″ | 3″ | 4″ |
| Blows per minute | 2,100 [35/sec] | 1,650 [27/sec] | 1,375 [23/sec] |
| Weight | 17 lb | 18 lb | 19 lb |
| Air consumption | 32–34 CFM | 33–35 CFM | 34–36 CFM |
| Overall length | 12¾″ | 14 9/16″ | 15 9/16″ |
| Bore | 1⅛″ | 1⅛″ | 1⅛″ |
| Air pressure | 90 PSI | 90 PSI | 90 PSI |
| Chuck | .580″ Hex | .580″ Hex | .580″ Hex |
- Part Number
- 3392-H
- Stroke
- 3″
- Blows/min
- 1,650 [27/sec]
- Weight
- 18 lb
- Air use
- 33–35 CFM
- Overall length
- 14 9/16″
- Part Number
- 4492-H
- Stroke
- 4″
- Blows/min
- 1,375 [23/sec]
- Weight
- 19 lb
- Air use
- 34–36 CFM
- Overall length
- 15 9/16″
All three models
.580″ Hex × Oval Collar
1⅛″ bore • 90 PSI
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Select Points, Chisels, Etc

The following Points, Chisels, etc. are used with Solid Retainers.
.580″ Hex × Oval Collar

Looking for the Quick Change Ball Retainer version?
Moil Point
Standard Lengths: 12″ / 18″ / 24″
.580″ Hex × Oval Collar
Request Longer Lengths

Narrow Chisel
Standard Lengths: 9″ / 12″ / 18″ / 24″
.580″ Hex × Oval Collar
Request Longer Lengths

2″ Wide Blade Chisel
Standard Lengths: 12″ / 18″ / 24″
.580″ Hex × Oval Collar
Request Longer Lengths

3″ Wide Blade Chisel
Standard Lengths: 12″ / 18″ / 24″
.580″ Hex × Oval Collar
Request Longer Lengths

4½″ Clay Spade
Standard Lengths: 10″
.580″ Hex × Oval Collar

All-Steel Bushing Tool
Standard Lengths: 8″
.580″ Hex × Oval Collar

Pin Driver
.580″ Hex × Oval Collar
Request the Size You Need.
Tell us your Pin Diameter, Length, and Chuck Configuration.





























