Greenlee standard knockouts set the industry benchmark for precision hole-making in electrical and construction applications. Designed for use with manual and hydraulic drivers, they provide clean, consistent results in aluminum, mild steel, and electrical enclosures. Taller dies eliminate the need for spacers, while laser markings allow for quick part identification. Select models are proudly made in the USA, ensuring quality craftsmanship and reliability for professional use.
Greenlee 730BB-13/16 13/16" Standard Round Knockout Punch
Sale price$ 64.70
Regular price$ 87.58
In stock
Greenlee 730BB-2 2" Hole Size Standard Round Knockout Punch Unit
Sale price$ 164.53
Regular price$ 193.33
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Greenlee K2BB-3/4 3/4" Conduit Size Slug-Buster Manual Knockout Set
Sale price$ 71.03
Regular price$ 84.50
In stock
Greenlee 730BB-1-3/4 1-3/4" Hole Size Standard Round Knockout Punch Unit
Sale price$ 121.16
Regular price$ 152.85
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Greenlee 730BB-3/4 3/4" Hole-Size Standard Round Knockout Punch Unit
Sale price$ 77.67
Regular price$ 85.09
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Greenlee 730BB-2-1/2 2-1/2" Standard Round Knock Out Punch Unit
Sale price$ 264.94
Regular price$ 288.07
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Greenlee 730BB-11/16 11/16" Hole Size Standard Round Knockout Punch Unit
Sale price$ 72.55
Regular price$ 83.35
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Greenlee 730BB-2-1/8 PUNCH UNIT-RD 2.125 BB (730BB)
Sale price$ 201.14
Regular price$ 209.70
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Greenlee 121AV 1/2" Standard Round Knockout Replacement Punch
Sale price$ 36.05
Regular price$ 39.14
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Greenlee K3BB-1/2 1/2" Conduit Size Standard Round Manual Knockout Set
Sale price$ 60.87
Regular price$ 68.65
In stock
Greenlee K3BB-3/4 3/4" Conduit Size Standard Round Manual Knockout Set
Sale price$ 79.09
Regular price$ 89.20
In stockGreenlee Standard Knockouts Overview
With an easy-threading tip, these knockouts reduce the risk of cross-threading, streamlining setup and operation. Alignment markings improve accuracy, while hex key access makes removal from tools hassle-free. Compatible with Slug-Buster® and Standard Round punches, these knockouts deliver smooth, burr-free cuts for easy conduit and cable installation. Their rugged construction ensures durability, making them a staple for electricians and contractors handling demanding jobs.
Why Buy Greenlee Standard Knockouts?
Greenlee standard knockouts remain a top choice for professionals who need precision, efficiency, and reliability. Their robust design ensures long-term performance, while quick-change capabilities minimize downtime on the job. Whether you're creating conduit holes or tackling general punching needs, these knockouts provide clean, accurate results every time. Investing in Greenlee standard knockouts means choosing a trusted solution built to handle the toughest electrical and construction tasks.