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  • Greenlee DTAPM8C Combination Drill and Tap Bit, M8
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Greenlee DTAPM8C Combination Drill and Tap Bit, M8


Price: $12.44 & FREE Shipping on orders over $35. Details
Only 6 left in stock (more on the way).
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  • Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
  • Back tapered beyond tap to prevent thread damage from over-drilling
  • Deburr/countersink also provided on bit beyond back taper
  • Made from hardened high-speed steel vs carbon steel for longer life
  • Designed to tap up to 10-gauge metal
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Product Information

Technical Details
Part Number DTAPM8C
Item Weight8 ounces
Product Dimensions5.7 x 2.7 x 0.4 inches
Item model numberDTAPM8C
MaterialHigh Speed Steel
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
ASINB0041FIRBE
Best Sellers Rank #312,871 in Home Improvement (See top 100)
Shipping Weight8 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableSeptember 14, 2010
  
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Product Description

Product Description

GRN DTAPM8C DRILL/TAP_ M8 X 1.25 (POP)

From the Manufacturer

Complete hole drilling, tapping and deburring/countersinking in one operation with power drill saves labor and time. Back tapered beyond tap to prevent thread damage from over-drilling. Deburr/countersink also provided on bit beyond back taper. Made from hardened high-speed steel vs. carbon steel for longer life. High quality hex shank to ensure strong connection to drill chuck. Designed to tap up to 10-gauge metal.

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Most Helpful Customer Reviews

Verified Purchase
When retrofitting a Delta T2 fence onto a Steel City tablesaw, I have to drill & tap 10 M8-1.0 holes into the 3/16" thick steel rail.
I first drilled the holes with 17/64 drill bit. Then I used a tapered type tap with square end bought from Harbor Freight Tools.
It took me 2 hours to tap 1 hole and on top of that, the tap wrench cracked. It could not hold the square end of the tap at all.
With the hex shank on this drill & tap bit, I put on my T-handle driver and I can feel it cutting into the steel rail. Tapping the remaining 9 holes took me less than 20 minutes. I did not use the drill part because I pre-drilled with a drill bit so I cannot rate that part. But for me, the tapping function was well worth the money. With the pre-drilling, this bit lined up and tapped the holes straight. Why don't ALL tapping bits have hex shank?

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By EMan on August 6, 2014
Verified Purchase
I had my doubts about the "high speed steel", but the prouct worked very well. I was able to drill and tap 9 holes with it, in mild steel. It still seems very sharp. None of the holes took more that 1 minute to drill and tap. The item I was working on was the skid plate of my truck. 5 of the holes were in the frame of the truck, the other 4 were in the skid plate. The holes started out as 7 mm X 1.00. The drill bit part removed the 7 mm threads, the tap cut clean 8 mm threads. The new bolts fit perfectly, and start easily. I had concerns about being able to turn the tap back out with the drill. It was very easy, just don't force it. Put the drill in reverse and back out slowly. When the threads line up with the tap, the tap backs itself right out, and cleans the threads on the way.
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