Share on (1600437707264):
SML Stone Drilling Tools 3 blades PDC Step Drag Bit for Water Well Drilling
PDC drag bit, also named blade bit, is a comprehensive drilling bit made by PDC cutter brazed to Steel Body. PDC drag bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling.
It is special for the large diameter holes' drilling and very suitable for use in soft and soft-medium formations such as sand, clay, or some soft rock. It has advantages of fast penetration rate and high efficiency.

Standard Sizes for Immediate Availability: 3” to 15” (76mm to 380mm)
Other sizes available upon request
Diameter | Wings | |
mm | inch | |
76 | 3" | 3 |
89 | 3 1/2" | 3 |
92 | 3 5/8" | 3 / 4 |
95 | 3 3/4" | 3 / 4 |
98 | 3 7/8" | 3 / 4 |
102 | 4" | 3 / 4 |
108 | 4 1/4" | 3 / 4 |
114 | 4 1/2" | 3 / 4 |
127 | 5" | 3 / 4 |
133 | 5 1/4" | 3 / 4 |
140 | 5 1/2" | 3 / 4 |
146 | 5 3/4" | 3 / 4 |
152 | 6" | 3 / 4 |
165 | 6 1/2" | 3 / 4 |
171 | 6 3/4" | 3 / 4 / 5 |
191 | 7 1/2" | 3 / 4 / 5 |
200 | 7 7/8" | 3 / 4 / 5 |
220 | 8 5/8" | 3 / 4 / 5 |
260 | 10 1/4" | 3 / 4 / 5 |
280 | 10 3/4" | 3 / 4 / 5 |
356 | 14" | 3 / 4 / 5 |
380 | 15" | 3 / 4 / 5 |
Threads: Any female or male threads, API Reg Pin or Box.










1. Payment methods
T/T (Telegraphic Transfer), Western Union, MoneyGram or Credit Card…
2. Lead time
Based on order quantity, it ranges from 3 to 20 days to finish production.
3. Shipping
Express: DHL, TNT, UPS, FedEx and Special lines…
Carrier: by air or sea.
They all apply to a very economic cost.
4. Services:
We will respond to your inquires in one hour (holidays as well).
We provide free replacement once the failure is confirmed to be caused by our product quality.
New products from manufacturers at wholesale prices