Best Push Button Knockout Punch Tools for Electrical Work
A push button knockout punch creates openings in metal enclosures for electrical fittings and controls. For dedicated 30.5 mm pushbutton installation, the Greenlee KS-PB30 is the most directly targeted option. For general conduit openings, the Klein Tools manual set covers common sizes, while the UTZIKO hydraulic kit is suited to buyers seeking hydraulic operation. The iGeelee ratchet kit offers a manual alternative. The NEIKO center punch is included only as a marking tool; it does not cut knockout holes.
| Product | Best For | Key Distinction |
|---|---|---|
| Greenlee KS-PB30 | 30.5 mm pushbutton installation | Punches and notches in one operation |
| Klein Tools 53732SEN | Common conduit sizes | Includes ratcheting wrench |
| UTZIKO Hydraulic Kit | Hydraulic punching | Six dies from 1/2 to 2 inches |
| iGeelee CC-60 | Manual knockout work | Six listed metric punch sizes |
| NEIKO 02639A | Marking hole centers | Not a knockout cutter |
Greenlee KS-PB30 Pushbutton Set
Best for: Installing 30.5 mm pushbuttons, particularly oiltight pushbutton components. This purpose-built Greenlee set is the most directly relevant choice when the job calls for a pushbutton opening rather than a range of conduit holes.
Its listed design punches and notches in one operation. The die is designed for a wide range of materials and drivers, and the product information states that it works with Greenlee hydraulic drivers without adapters.
Limitation: The supplied details do not list multiple conduit sizes. Choose another set for a general-purpose range of knockout openings, and confirm driver and material suitability before use.
Klein Tools 53732SEN Knockout Set
Best for: Electricians who need a manual set for common 1/2-inch through 2-inch conduit sizes. It includes punches, dies, draw studs, and a 1-inch ratcheting wrench, so the listed kit provides the core components for those sizes.
The set is specified for cutting up to 10-gauge mild steel and can also cut aluminum, fiberglass, and plastic. Its punches split slugs for easier removal. Compared with the Greenlee pushbutton-specific set, this is better for varied conduit-hole work than a dedicated pushbutton opening.
Limitation: The listed capacity is up to 10-gauge mild steel; do not assume suitability for thicker material. Check the intended material and hole size against the product specifications.
UTZIKO Hydraulic Knockout Punch Kit
Best for: Buyers who prefer a hydraulic driver and need six standard conduit-size dies from 1/2 inch to 2 inches. The product lists an 8-ton standard output pressure and a maximum output pressure of 12 tons.
The kit includes a separable hydraulic pump, two draw bolts, and dies with listed hole diameters ranging from 0.885 to 2.416 inches. Its stated punching capacity is 1/8-inch (11-gauge) steel and 1/16-inch stainless steel. A safety valve is described as automatically releasing pressure at the specified maximum.
Limitation: This is a hydraulic kit, not a compact manual ratchet set. Consider the pump-based setup and verify the listed capacity matches the material before choosing it.
iGeelee CC-60 Ratchet Knockout Kit
Best for: Buyers looking for a manual ratchet-style kit with six punch sizes. The listed sizes are 22.5, 28.3, 34.6, 43.2, 49.6, and 61.5 mm, making this a useful option when those dimensions match the planned openings.
The product description highlights a long handle and ergonomic structure, and says the kit is designed to make clean, round holes. Compared with the hydraulic UTZIKO kit, choose this if you want a ratchet-operated set rather than a separate hydraulic pump.
Limitation: The supplied features give metric dimensions, not corresponding conduit trade sizes. Confirm the actual hole diameter needed before purchasing.
NEIKO 02639A Automatic Center Punch
Best for: Marking a center point before drilling, not cutting a knockout opening. This 6-inch spring-impact tool has adjustable strike force, a chrome-plated shank, an S2 steel tip, and a knurled cap for a one-handed grip.
It is included to distinguish a center punch from a knockout punch: the NEIKO tool marks hard surfaces to help position a drill or fastener. It does not include knockout dies or a hole-cutting mechanism.
Limitation: Avoid this if you need a finished conduit or pushbutton hole. Choose one of the knockout sets above for that task.
Buying Guide: How To Choose A Push Button Knockout Punch
Do you need a pushbutton opening or conduit holes?
Start with the required opening type and diameter. The Greenlee KS-PB30 is specifically listed for 30.5 mm pushbutton installation and combines punching with notching. A general knockout set is more appropriate when the job involves several conduit sizes. Do not assume that a conduit die will make the correct pushbutton opening.
Should you choose hydraulic or manual operation?
A hydraulic kit such as UTZIKO is suited to buyers who want hydraulic force and a separable pump. Manual options such as Klein Tools and iGeelee avoid that pump-based setup. Compare the included wrench, draw studs, dies, and operating method with the tools and workflow available for the job.
How should you compare sizes and material capacity?
Match the specified opening diameter—not just a nominal size—to the fitting or component. Klein lists common conduit sizes and a 10-gauge mild-steel capacity. UTZIKO lists both die diameters and capacities for steel and stainless steel. The iGeelee features give metric sizes, so verify the required measurement carefully. Follow the manufacturer’s instructions for the selected material and setup.
What should be in the kit?
Check whether the set includes the dies, punches, draw bolts or studs, and wrench or driver needed for the task. Confirm that a compatible driver is available when the product requires one. A center punch is useful for marking, but it is not a substitute for a knockout cutter.
Frequently Asked Questions
What is a push button knockout punch used for?
It creates a shaped or sized opening in a panel or enclosure for mounting a pushbutton. A purpose-built set may include features such as notching for the installation.
Is the Greenlee KS-PB30 a general conduit knockout set?
The listed product is a 30.5 mm pushbutton set. Its provided features do not identify a range of conduit-size dies.
Can a center punch cut a knockout hole?
No. A center punch makes a small locating mark. It does not cut the large opening made by a knockout punch set.
Which listed set includes a ratcheting wrench?
The Klein Tools 53732SEN includes a 1-inch ratcheting wrench, along with punches, dies, and draw studs for the listed conduit sizes.
Why verify the die diameter before buying?
Nominal conduit size and the opening diameter are not always expressed the same way. Checking the required hole diameter helps ensure that the punch matches the fitting or pushbutton.