Three Wings Water Well Drilling Super Hard Alloy Drill Bit/electric Drilling Rig/3 Wing Rock Drill Bit,one Inch Drill Pipe
1. Three-wing inlaid alloy drill bit for small drilling rig, matching one-inch drill pipe and pipe hoop. If the size of the drill pipe is not one inch, please inform the customer service of the model of the pipe hoop for customization. The drill bit is suitable for drilling the soil layer, sand layer and limestone layer, but it can't beat the rock layer.
2. The small size drill is inlaid with five to six alloy heads, and the blade thickness is 6 mm; the medium size drill is inlaid with six to seven alloy heads, the blade thickness is 8 mm, and the alloy heads are YG11 carbide.
3. The alloy head is relatively hard, remember to hit hard or hit the rock layer.
4. Once used, it is non-refundable and non-exchangeable.
5. If you have any questions, please contact the customer service of the store in time, thank you again for your support to the store!