Hydraulic SYK Punch Green
- Punch
- 20.15 pounds
A 4 star average across 115 ratings and consistent recent purchases suggest a dependable hydraulic punch, provided the included die sizes match your conduit.
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How it ranks among the 176 punches we track
4.0★ across 115 Amazon ratings, Bayesian-smoothed toward the category average.
115 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
50+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 176 punches we track - how the scorecard works · full punches data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Cutting round knockouts in steel panels normally means drilling and filing; this hydraulic punch does it with a hand pumped ram instead. At just over 9 kilograms, the SYK is built as a full kit rather than a single lightweight hand tool.
The category listing groups it under punches, and the weight backs that up: a genuine hydraulic knockout driver ships heavier than a basic hand tool because it carries a ram and die hardware. The green finish is a cosmetic detail rather than a functional one. No die size range appears in the available spec data, so confirm which conduit sizes it covers before ordering.
- Green tool finish
- Weighs 9.14 kilograms (about 20 lb)
- Category: hydraulic knockout punches
- 50 units bought in the past month
Who it's for
Electricians and panel installers who need clean, round holes in steel or aluminum enclosures for conduit and cable fittings are the natural audience. Anyone who only needs a hole here or there will find a manual punch lighter to carry.
Strengths and trade-offs
Drawn from this product's published specifications.
- Hydraulic ram cuts clean round holes
- Rated 4 stars across 115 buyers
- Heavy enough to need care moving between jobs
- Die size range not listed by the seller
Performance notes
Hydraulic knockout punches work by hand pumping a small ram that draws a punch through a die and the metal in one pass, leaving a round hole without drilling or deburring. The tool's own weight, over 9 kilograms, reflects the ram and die hardware needed to generate that force.
Specifications
| Brand | Hydraulic |
|---|---|
| Item Weight | 20.15 pounds |
Other Hydraulic punches
How it compares
This product against the closest alternatives we track in punches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Hydraulic SYK Punch GreenThis product | 4.0 / 5 | 115 | 3.5 / 5 |
| Bostitch HP40 PunchBOSTITCH | 4.8 / 5 | 12,587 | 4.7 / 5 |
| Diyife KA1 PunchDiyife | 4.7 / 5 | 9,316 | 4.6 / 5 |
| NEIKO 02638A PunchNEIKO | 4.7 / 5 | 10,900 | 4.6 / 5 |
| Amazon KK0330 PunchAmazon | 4.7 / 5 | 11,786 | 4.5 / 5 |
Similar punches from other brands
Questions about the Hydraulic punches
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What is the Hydraulic SYK punch used for?
It's a hydraulic knockout punch driver for cutting round holes in metal enclosures for conduit and cable fittings.
How heavy is the Hydraulic SYK punch driver?
It weighs about 9.14 kilograms, roughly 20 pounds, reflecting a full kit rather than a single hand tool.
Does the listing show which die sizes are included?
No die size range is listed in the available spec data, so confirm compatible knockout sizes before ordering.