Spiral Auger Taper Button Bit Taper Connection Rock Drill Head
Product Description
1. Steel grade: G105
2. Specification: Dia 50-127mm
3. Good quality and low price
4. All sizes as customer's request
It is a type of drill head, which is suitable for rock geology.
It is used to drill pilot hole for HDD. We make different type pilot bit for different diameter of drill rods. The pilot bit can fit with the sonde of RD, DCI, GL and other pilot instrument.
Type | Type of threads (K) | External diameter (B) | Carbon storehouse size (L) | Weight (KG) |
73 Drill Head Series | 50 Drill pipe threads | Φ73 | 380 | 17 |
83 Drill Head Series | 60 Drill pipe threads | Φ83 | 380/480 | 23/27 |
83 Drill Head Series | 73 Drill pipe threads | Φ83 | 380/480 | 25/29 |
88 Drill Head Series | 76 Drill pipe threads | Φ88 | 380/480 | 26/30 |
93 Drill Head Series | 83 Drill pipe threads | Φ93 | 380/480 | 32/36 |
108 Drill Head Series | 89 Drill pipe threads | Φ108 | 380/480 | 44/48 |
127 Drill Head Series | 102 Drill pipe threads | Φ127 | 380/480 | 73/78 |
168 Long Drill Head Series | 127 Drill pipe threads | Φ168 | 480 | 150 |
194 Long Drill Head Series | 140 Drill pipe threads | Φ194 | 480 | 270 |
Features
Formation:suitable for sand and medium to very hard soil
Structure:steel casing,welded
Connection with drill rod:octagonal connection direct connection with drill rod
Connection with laid pipe:within or without swivel
FAQ
Q: What is your delivery time?
A: It usually takes 20 days to produce. Within 3 days (if there is stock).
Q: How to control the quality?
A: Before shipping, we should check and test each drill rod.
Q: Do you agree to order samples?
A: Yes, we welcome your sample order to test our quality.
Q: Has your drill pipe been heat treated?
A: Yes, our heat treatment of drill pipe and casing.
Q: Does your drill pipe have anti-rust function?
A: Yes, each drill pipe and casing will be anti-rust with paint or anti-corrosion oil before transportation. If you need galvanized pipe, please contact us.