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Your cart is empty.BOSCH Tap and Drill Bit Combo Sets are an easy way to ensure drilling the proper hole size before cutting internal threads. Plug taps are ideal for cutting right-hand internal threads; they are the most widely used type of tap, with three to five threads chamfered for general-purpose applications. The included drill bit is matched to the tap for the proper hole size. The bit is designed with split points to reduce bit walking for clean, accurate starts. The bit’s speed helix design promotes fast drilling. The plug tap is recommended when there is sufficient room on a blind hole and tapping to the bottom of a hole is not critical. Made from heat-treated carbon steel, it is a rust- and tarnish-resistant tool. The rolled threads are more accurate and cleaner than machined threads. They are tooled to the most exacting specifications to ensure that bolts anchor securely. Laser-etched marking ensures size identification and won't wear off. They feature a precise flute design to ensure fast and easy chip clearance.
Victor E. Folk
August 27, 2025
I needed to be able to tap a set screw into the cylinder head of a mower engine to prevent the valve guide from migrating. I did not have any small taps in my set, and wanted to get the right size drill bit, since I was drilling and tapping into a fairly thin section of aluminum.The drill and tap worked very well - but tapping aluminum is not really hard for a tap. I will say that the tap showed so signs of having the aluminum getting caught in the tool, which ca sometimes be an issue.This worked very well for what I needed it for
Gooch Chowder
August 6, 2025
You betcha
Spikey
July 31, 2025
Item works as described
Robert
July 23, 2025
need a tap to go in to my set. was not in a hurry for this item. shipping was quick, price was good good brand tap works good.
Jleg
July 8, 2025
Good for mild steel.
DirtFarmer
June 24, 2025
Worked as intended.
Customer
June 7, 2025
I used this to install Sywon Brass Misting Nozzles into 1/2 inch PVC pipe for custom mister lines that lay on the ground and shoots the mist upwards for my plants. Can't really express how easy this project went using this bit/tap set.
kiwim8
May 24, 2025
I have been drilling and tapping for 50 + years, My old set of taps were worn out so I decided to replace a few of the most used ones ( that where 30 years old ) The drill bit work great, but the tap didn't last 3 holes. On the 3rd hole, I wasn't even 3/8 into the hole and it just snapped with very little resistance .
Jim Dawson
April 29, 2025
Tap worked fine, no issues
Jesse
April 14, 2025
Already had the drill bit but the bit slices pvc like a dream had good seal with the tap on sprinkler heads.would buy again
Bill C.
April 14, 2025
This tap working as expected.
Victor E. Folk
April 6, 2025
I needed to be able to tap a set screw into the cylinder head of a mower engine to prevent the valve guide from migrating. I did not have any small taps in my set, and wanted to get the right size drill bit, since I was drilling and tapping into a fairly thin section of aluminum.The drill and tap worked very well - but tapping aluminum is not really hard for a tap. I will say that the tap showed so signs of having the aluminum getting caught in the tool, which ca sometimes be an issue.This worked very well for what I needed it for
Gooch Chowder
April 2, 2025
You betcha
Spikey
March 8, 2025
Item works as described
Robert
March 7, 2025
need a tap to go in to my set. was not in a hurry for this item. shipping was quick, price was good good brand tap works good.
Jleg
February 10, 2025
Good for mild steel.
DirtFarmer
February 8, 2025
Worked as intended.
Customer
February 4, 2025
I used this to install Sywon Brass Misting Nozzles into 1/2 inch PVC pipe for custom mister lines that lay on the ground and shoots the mist upwards for my plants. Can't really express how easy this project went using this bit/tap set.
kiwim8
January 23, 2025
I have been drilling and tapping for 50 + years, My old set of taps were worn out so I decided to replace a few of the most used ones ( that where 30 years old ) The drill bit work great, but the tap didn't last 3 holes. On the 3rd hole, I wasn't even 3/8 into the hole and it just snapped with very little resistance .
Jim Dawson
January 19, 2025
Tap worked fine, no issues
Jesse
January 13, 2025
Already had the drill bit but the bit slices pvc like a dream had good seal with the tap on sprinkler heads.would buy again
Bill C.
January 12, 2025
This tap working as expected.
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