Description of πͺ Durable & Efficient: DEWALT DW5427 8 Inch 4 Inch CARBIDE Bit for Precise Drilling
The product is 3/8x4 SDS Hamm bit. Easy to use. Clean, round holes: Two sharp cutting edges for true holes. The product is manufactured in China. ROCK CARBIDE tip for longer bit life. Elongated four flute helix for faster material removal. Increased steel prevents breakage.
Remember to use the right nozzle for the right material when going through the wall. The drill bit is only suitable for wood. The masonry chisel is for drywall only.
Durable, fast drilling of anchor holes for concrete. It was 12 holes. The stamp is expensive, maybe only used once for "this" project, but it's a must have. I just add his cost to the cost of the project and if I still come out on top (do it yourself) then I'm fine.
god these things suck. I don't know why people give high ratings. Each bit can drill four times to a depth of 3 inches and that's it. I bought two for work to drill 16 holes. After a total of seven holes, both were shot. I bought two more and barely had time to finish them. Then I had another job which again required me to drill 16 3" deep holes in another concrete slab. Again I made about 7 holes with two bits. I didn't have time to order more of these bits so I went in went to the hardwareβ¦