Questions and Answers for DEWALT Black and Gold Twist Drill Bit Set (21-Piece)

A:  No these are twist bits for wood and metal. Impact bits are for concrete. 

A:  No, the DWA1181 are not impacted ready.

A:  Not to my knowledge but it should state it on the package if they are . You might contact DEWALT direct and they might be able to answer your questions about their products

A:  Sheetrock - sure. Concrete - ehh probably not. If it is in fact concrete then you should look for masonry drill bits.

A:  Yes you can but make sure you go slow

A:  The magazine handles nails that are 20˚ angle.

A:  While the bits are not exclusively used with DEWALT, on that you would need to contact the manufacturer of the drill to verify.

A:  Yes.

A:  The drill bits included in DWA1184 are round shank bits. These bits are compatible with a regular drill chuck.

A:  Most common sizes are doubled up

A:  IF YOUR ASKING THE BIT SIZES THEY ARE CLEARLY MARKED ON BIR HOLDER. IF YOU ARE ASKING THE BIT LENGTH THATS MARKED ON THE DISCRIPTION ON THE HOLDER DISPLAY CARD

A:  From 1/16" to 1/2"

A:  Hi Vpaa. The drill bits are right hand threaded. Michelle DEWALT Social Media Rep

A:  These are not left handed drill bits

A:  This drill bit set does have an option to come in millimeter.

A:  Dewalt brill bits are listed in inches. No metric set available yet

A:  Check your local Home Depot for pricing. The DWA1181 comes with a Three Year Limited warranty.

A:  HI PHIL!

A:  They are not for use with an impact driver.

A:  No, they are intended for a standard 1/2” chuck not a 1/4” quick connect.