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General Tools 79 Steel Automatic Center Punch

3.7 out of 5 stars 32 customer reviews

Was: $17.93
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  • Simple one hand operation
  • Black oxide finish
  • Measures 5" body with a 1/2" diameter
  • DELIVERS A HIGH IMPACT STRIKE - one-handed spring-loaded impact operation, no hammer required
  • ADJUSTABLE SPRING TENSION - adjustable spring tension cap for light or heavy strokes and marking
  • ALL STEEL 5" BODY - center punch has an all-steel body, knurled finger grip and rust-resistant black oxide finish, 1/2" body diameter
  • STEEL POINT - threaded, replaceable hardened steel point and shaft
  • AUTOMATIC PUNCH DEPTH - center punch can be set for repetitive work
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Frequently Bought Together

  • General Tools 79 Steel Automatic Center Punch
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  • General Tools 79P/2 Replacement Point for General Tools 79 Steel Automatic Center Punch
  • +
  • General Tools 88CM Tungsten Carbide Scribe and Magnet
Total price: $34.15
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Product Description

Size Name: full size

Product Description

General Tools Solid Point Steel Automatic Center Punch is made to withstand long lasting use and provide professional results. Conveniently includes one replaceable tip. Features a simple one hand operation for greater comfort and a black oxide finish eliminating rust for optimal durability. Measures 5" body with a 1/2" diameter.

From the Manufacturer

Use automatic center punches to precisely punch material for drilling and layout work. Spring operated tool drives hard point in a single one-handed operation that eliminates striking a punch with a hammer. Spring tension cap can be adjusted for light to heavy strokes. Punch depth can be set for repetitive work. This is a steel automatic center punch for making lighter markings than #78. It has a black oxide finish that inhibits rust. The all-steel body is 5" with threaded, replaceable hardened steel point and shaft. The body diameter is 1/2".

Product Information

Size Name:full size

Technical Details

Part Number 79XXX
Item Weight 3.2 ounces
Product Dimensions 8.6 x 3.1 x 1.6 inches
California residents Click here for Proposition 65 warning
Item model number 79XXX
Size full size
Color BLACK
Style Steel
Item Package Quantity 1
Number Of Pieces 1
Warranty Description Manufacturer

Additional Information

ASIN B00004T7RH
Customer Reviews
3.7 out of 5 stars 32 customer reviews

3.7 out of 5 stars
Best Sellers Rank #77,193 in Home Improvements (See top 100)
#60 in Home Improvement > Power & Hand Tools > Hand Tools > Punches > Pin Punches
#5,403 in Home Improvement > Contractor Supply
Shipping Weight 2.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available February 13, 2005

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

By A Customer on March 18, 2002
Size: full size
I AM A PROFESSIONAL CARPENTER AND METAL WORKER AND I WILL TELL YOU THAT THIS PUNCH IS VERY POOR FOR THE PRICE. I BOUGHT MINE A YEAR AGO AND AM VERY SORRY THAT I DID. IT LEAVES NEXT TO NO INDENTATION IN THE MATERIAL AND A DRILL BIT WILL SLIDE RIGHT OFF OF IT. I RECENTLY PURCHASED A STARRETT AND HAVE FOUND THAT IT IS WELL WORTH THE FEW EXTRA DOLLARS FOR AN EXCELLENT PRODUCT. DON'T GO CHEAP, GET THE REAL DEAL!
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Size: full size
I purchased this tool and used it right away. I finished the job, the punch rolled off the workbench and TIP no more. After searching and searching, I finally found more TIPs. A 2 pack. Wow! So they know the TIPs are going to break with ease. I replaced the TIP. Put it to use marking for holes to put a convertible top on. SNAP! There goes another TIP. I just replaced it. Luckily, it was a 2 pack, right? Oh, forgot to mention that the TIPs are as much as the punch. So, that officially makes this the tool that keeps on giving... er, taking. Add that to the misfire (whatever makes it not work periodically), and I have another tool that im not willing to use for fear I'll just see more money going down the drain. I thought doing the work yourself meant saving.
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Size: full size Verified Purchase
Purchased to replace my years old spring punch that was dropped on concrete breaking the tip and leaving the threaded tip shaft behind and seized. What I notice is that while the construction looks the same, this the shaft and tip move around a lot more than my broken punch. Also, the heavy/light adjustment doesn't appear to make much difference in the depth of the mark left when punching aluminum and wood. The internal mechanism and spring arrangement is different in the new punch. The image that includes the ball bearing is the disassembled New spring punch. The old model doesn't use a ball bearing.
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Size: full size
I am not happy with the construction of this product. I do alot of center punching in the line of work and this product failed to produce. The tip is removable and screws into the end of the shaft. It backs out quite frquently and the tip broke off at the threads after using it less than ten times. This is definitely not for industrial use maybe for the home user.
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Size: full size Verified Purchase
My old #79 General punch would run circles around this one. This has no power at all.
Ths spring is much smaller that the old one. Just about makes an indent in wood. In the very soft sterling silver
it just about scratches the surface, at the heaviest setting. The quality has gone way down with General Tool.
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Size: full size
Bought within the last year, and failed within the first month or so. The removable tip partially backed out without my notice, and furthur use destroyed the shaft threads that held it in. I used it for months, taped in place, until resorting to a tack weld, which has since broken. Because the stripped threads are not only on the tip, a replacement tip wouldn't solve the problem. I have not used other punches, but the strike was hard enough for my purposes (mostly aluminum). I did find that the punch misfired frequently, causing frustration. Toying with the spring adjustment usually freed whatever was hanging up inside.

I am not altogether disappointed with the tool's construction and function, but I certainly would never pay full price for one of these again.
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Size: full size Verified Purchase
I bought one of these about 10 years ago. After a ton of use it finally quit working. So I purchased another of the same brand and model. I figured it would get me another 10 years. I was surprised when I received something that was far from the quality tool I once owned. It's sad how quality has gone so far down hill
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Size: full size
I did not purchase this item from Amazon, but a local tool store. I also paid ten more dollars than is currently listed here. I use the punch quite a bit lunching aluminum extrusion and doors. So far it works perfectly. Easy push down with a decent indentation. No, it doesn't make a crater, but that's not what it's made for. I would happily purchase another one, albeit at a better price. I got real tired of those crappy, four dollar ones you can find at most stores.
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