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CMT 537.413.31 Forstner Bit, 1-5/8-Inch Diameter, 3/8-Inch Shank

4.7 out of 5 stars 26 customer reviews

Price: $15.11 & FREE Shipping on orders over $49. Details
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  • 3-35/64-Inch Overall Length, Right-Hand Rotation.
  • 2 spurs, 2 precision ground cutting edges, long-lasting cutting performance.
  • Drill precise flat bottom holes with no chipping in any thickness of soft wood.
  • For drilling holes in any direction and making arched openings.
  • For drilling partially overlapped flat bottom holes or niches used to fix supports.
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$15.11 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • CMT 537.413.31 Forstner Bit, 1-5/8-Inch Diameter, 3/8-Inch Shank
  • +
  • MLCS 9270H 5-Inch Long Forstner Bit Extender with Hex Shank
  • +
  • MLCS 9214H 1-1/16-Inch Diameter High Quality Steel Forstner Bit with Hex Shank
Total price: $45.31
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This item: CMT 537.413.31 Forstner Bit, 1-5/8-Inch Diameter, 3/8-Inch Shank
Customer Rating 4 out of 5 stars (26) 4 out of 5 stars (79) 5 out of 5 stars (15) 4 out of 5 stars (25)
Price $15.11 $9.03 $23.89 $14.59
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Banyan Imports Eddistor
Item Package Weight 0.45 pounds 0.02 pounds 1.1 pounds 0.45 pounds
Material High Speed Steel Titanium Coated over Steel Titanium Titanium Coated
Measurement System Inch Inch Inch Metric
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Product Description

Product Description

Forstner bit featuring special alloyed steel body, precision balanced center point, 2 spurs, 2 precision ground cutting edges for long-lasting cutting performance. Use to drill precise flat bottom holes with no chipping in any thickness of soft wood. For drilling holes in any direction and making arched openings. For drilling partially overlapped flat bottom holes for easy mortising. For drilling niches used to fix supports.

From the Manufacturer

CMT offers a wide range of HHS Forstner Bits in the most popular diameters, including difficult to find metric sizes. These bits are available individually or in beautiful wooden box sets. You get high performance stagger tooth design on all larger diameter bits (over 1 or 25mm) for clean sharp holes with straight sides and flat bottoms. These bits are ideal for drill presses, electric and cordless drills. CMT Forstner bits are 3-9/16" in overall length.

Product Information

Technical Details

Part Number 537.413.31
Item Weight 7.2 ounces
Product Dimensions 6 x 2 x 2 inches
Item model number 537.413.31
Material High Speed Steel
Item Package Quantity 1
Cutting Diameter 1.625 inches
Measurement System Inch
Batteries Required? No
Warranty Description Limited Lifetime Warranty: CMT carbide and carbide-tipped router bits and saw blades are designed, engineered and manufactured to uncomprimising standards for optimum cutting performance and maximum service life. If for any reason you are not satisfied with the performance of your CMT router bits, and the bits were used for their recommended applications, you can return them to CMT for a full replacement. Warranty excludes dull, misused, damaged, and/or resharpened bits.

Additional Information

ASIN B000P4HLM6
Customer Reviews
4.7 out of 5 stars 26 customer reviews

4.7 out of 5 stars
Best Sellers Rank #130,056 in Home Improvements (See top 100)
#62 in Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Power Drill Parts & Accessories > Drill Bits > Step Drill Bits
Shipping Weight 7.2 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 January 9, 2007

Warranty & Support

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Customer Reviews

Top Customer Reviews

Verified Purchase
I purchased this to install a deadbolt in one of the doors in our house. This bit cut through the wood like butter - a very clean and even circle. It cleared out most of the wood shavings very well. The bit itself feels well-made and strong enough that it will last a very long time.
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Verified Purchase
I used this bit to drill holes in landscape timbers that I used to boarder my driveway. I drove old fence post in the holes to secure the timbers. I used over 50 timbers and at 2 holes per timber thats over 100 holes. The timbers are 2 1/2" thick i believe. It cut just as good on the last hole as it did the first. Just be sure to clear your chips every once in a while when drilling thick material.
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Verified Purchase
Was a little concerned about buying a second hand forstner drill bit, but it was packaged in original wrappings, and worked like a charm. Considerably cheaper than buying a new one (almost 10 dollars). This was a one-use item for me to install a support for a weather station on my deck. My particular drill bit was from an Italian company, but made in China (of course).
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By C. Moran on September 24, 2012
Verified Purchase
Cuts a nice clean hole, I wanted a patio umbrella on the deck without a table, used this to drill a hole in a 2x6 with a single bolt through one end, attached to the top of the deck rail. I used this to drill a hole for the "umbrella" shaft on the other. The 2x6 just swings out for use, then back in when not needed, perfect for rain protection when grilling.
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Verified Purchase
This Forstner bit works well and makes clean cuts. It takes a while in my 8" Harbor Freight drill press. It's not as sharp as the same size Porter Cable bit, but for the price...it works very well.
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Verified Purchase
Good quality bit that drilled holes just like it's supposed to. Came in a nice little holder that's reusable to store the bit in if you so choose, and it also had metric bit dimensions on it. I drilled several pretty deep holes in hard maple with this bit, and it didn't even flinch.
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Verified Purchase
I haven't used any other forstner bits for comparison but I had hoped for a little cleaner holes in general. It also doesn't seem to clear out the cut wood from the hole as well as others from what I have seen in posted videos. It was an overall good value though costing less than most other bits in its size and if you aren't going to be using it on professional projects where the absolute best is necessary it should work fine.
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By Tim napa on December 24, 2012
Verified Purchase
Great bit, using it for wine barrel furniture. cut through ok pretty nice. would definitely recommend this product. so you should probably buy this item. I am saying extra words because they want me to use at least 20.
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CMT 537.413.31 Forstner Bit, 1-5/8-Inch Diameter, 3/8-Inch Shank
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This item: CMT 537.413.31 Forstner Bit, 1-5/8-Inch Diameter, 3/8-Inch Shank