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  • Greenlee 730BB-13/16 Standard Round Knockout Punch Unit, 13/16-Inch
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Greenlee 730BB-13/16 Standard Round Knockout Punch Unit, 13/16-Inch


Price: $85.50 & FREE Shipping
Usually ships within 1 to 3 weeks.
Ships from and sold by Grandview Wholesale.
  • Round standard metal punch units are complete units consist of punch, die and draw stud
  • Use with battery-powered, hydraulic, ratchet or manual drivers
  • Properly assembled through pilot holes, they will make clean, fast and accurate holes
  • Slug falls free in die
  • Can be used on mild steel up to 14 gauge
See more product details
2 new from $85.50

Frequently Bought Together

Greenlee 730BB-13/16 Standard Round Knockout Punch Unit, 13/16-Inch + Greenlee 730BB-1-1/4 Standard Round Knockout Punch Unit, 1-1/4-Inch + 18-8 Stainless Steel Round Shim, Unpolished (Mill) Finish, Annealed, Hard Temper, ASTM A666, 0.075" Thickness, 1-1/2" ID, 2-1/4" OD
Price for all three: $172.36

These items are shipped from and sold by different sellers.

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Product Information

Technical Details
Part Number 730BB-13/16
Item Weight4 ounces
Product Dimensions3.9 x 3.6 x 3.6 inches
Item model number730BB-13/16
ColorNA
MaterialAluminum
Item Package Quantity1
Warranty DescriptionGoods manufactured by Greenlee Textron will be free from defects in workmanship and material for a period of one year from the date of user purchase, provided such goods are installed, operated, used and maintained in accordance with Greenlee's written instructions.
  
Additional Information
ASINB002NQWZWU
Best Sellers Rank #43,721 in Home Improvement (See top 100)
Shipping Weight1.6 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableJuly 27, 2009
  
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Product Description

From the Manufacturer

Greenlee round standard metal punch units are complete units consisting of punch, die and draw stud. They can punch quick clean holes through metal up to 10 gauge (check specs for specific punches). They can be used with battery-powered, hydraulic, ratchet or manual drivers. Properly assembled through pilot holes, they will make clean, fast and accurate holes. After cutting the slug falls free in the die, and a quick tip drops it out.

Product Description

"Greenlee 730BB-13/16 Punch, Standard Round Knockout; .812"

Customer Questions & Answers

Customer Reviews

4.9 out of 5 stars
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See all 9 customer reviews
Clean, sharp, precise hole.
Amazon Customer
I highly recommend this product, especially if you want a clean precise hole.
Michael Decker
This doesn't mean a step bit could do the job, this is just better.
Kindle Customer

Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Z. Benedict on November 18, 2013
Verified Purchase
Makes the PERFECT sized hole for 1/2" bulkheads on home brewing kettles. I used this to install a high flow el-barb from brewhardware and there is almost zero play even without the bulkhead screwed into the ball valve. The hole comes out perfectly clean, no need to file. A little pricey, but you get what you pay for (a completely clean hole without any dents or burrs). Make sure to oil the threads of this before you use it, and make sure your hole to thread this into is large enough so that the threads of the Greenlee don't bind due to not enough clearance.

1. Center punch
2. Oil, Pilot hole
3. Oil, Step bit to 3/8"
4. Screw in the 13/16 Greenlee and torque it with a ratchet or wrench, whatever you have. You will hear one punch 'pop and then another.
5. Clean, and brew!
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1 of 1 people found the following review helpful By K. Boitnott on March 25, 2013
Verified Purchase
I used this punch to put holes in a stainless steel kettle. It worked very well with little effort and made a perfect hole.
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1 of 1 people found the following review helpful By Michael Decker on February 25, 2013
Verified Purchase
I needed a way to get precise holes in a stainless steel pot. This Worked great, it punched a hole through my 20 gauge stainless with very little effort. I highly recommend this product, especially if you want a clean precise hole. I have used drill bits to do the same work and the holes produced are no where as nice as with the Greenlee Round Punch! I did not have a socket big enough to turn it, but using an adjustable wrench worked just as good. Super easy to use and operate. Highly recommend this to anyone who need to make precise holes in any type of metal.
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1 of 1 people found the following review helpful By Pash on August 15, 2012
Verified Purchase
I bought this to punch holes for my brewing kettles. I had bought it much earlier than I needed it and let it sit. It turns out it came out with threads that weren't quite right, so it wouldn't turn all the way through. Apparently this is a known problem with these punches, so hopefully they're being fixed and weeded out. Amazon was nice enough to replace it even after the 30 days had passed. My only real complaint with this is the price. I understand that many people don't use it for brewing equipment, but for only needing to make a few punches (and needing a few different sizes depending on what you're doing), it's a very expensive tool to keep around. It does cut metal like butter.
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By Peppo on February 16, 2014
Verified Purchase
Stainless, Copper, Steel, Aluminum, name it! You can easily punch a perfect hole using this tool. Just drill a small hole first to insert the connector. And with 2 - 3 turns, voila! A perfect hole! This is also a 20mm hole used to insert 1/2" nipple.
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