Tricone bits supplied by Hardrock can be used in the drilling system that does percussion or rotation. Upon request, the tricone bits could be customized and manufactured in any sizes diameters, their applications include the water well drilling, geotechnical drilling, underground construction, mining exploration, etc.
Our drill bits have the large selection, and we have the knowledge and expertise to help choose the right drilling tools and equipment for your needs.
Only the high quality materials are used in our drill bits and cutting-edge heat treatment and manufacturing process is designed to ensure the superior drill bits strength and durability.
3 wings step drag bit | |||
Diameter | Thread | Part No. | |
2" | 50.8 mm | optional | 3S2 |
2 1/2" | 63.5mm | optional | 3S212 |
2 5/8" | 66.7 mm | optional | 3S258 |
2 3/4" | 69.9 mm | optional | 3S234 |
2 7/8" | 73.0 mm | optional | 3S278 |
2 15/16" | 74.6 mm | optional | 3S21516 |
3" | 76.2 mm | optional | 3S3 |
3 1/8" | 79.4 mm | optional | 3S318 |
3 1/4" | 82.6 mm | optional | 3S314 |
3 1/2" | 88.9 mm | optional | 3S312 |
3 5/8" | 92.1 mm | optional | 3S358 |
3 3/4" | 95.3 mm | optional | 3S334 |
3 7/8" | 98.4 mm | optional | 3S378 |
4" | 101.6 mm | optional | 3S4 |
4 1/8" | 104.8 mm | optional | 3S418 |
4 1/4" | 108.0 mm | optional | 3S414 |
4 1/2" | 114.3 mm | optional | 3S412 |
4 5/8" | 117.5 mm | optional | 3S458 |
4 3/4" | 120.7mm | optional | 3S434 |
4 7/8" | 123.8mm | optional | 3S478 |
5" | 127.0mm | optional | 3S5 |
5 1/8" | 130.2mm | optional | 3S518 |
5 1/4" | 133.4mm | optional | 3S514 |
5 3/8" | 136.5mm | optional | 3S538 |
5 1/2" | 139.7mm | optional | 3S512 |
5 5/8" | 142.9mm | optional | 3S558 |
5 3/4" | 146.1mm | optional | 3S534 |
5 7/8" | 149.2mm | optional | 3S578 |
6" | 152.4mm | optional | 3S6 |
6 1/8" | 155.6mm | optional | 3S618 |
6 1/4" | 158.8mm | optional | 3S614 |
6 1/2" | 165.1mm | optional | 3S612 |
6 5/8" | 168.3mm | optional | 3S658 |
6 3/4" | 171.5mm | optional | 3S634 |
6 7/8" | 174.6mm | optional | 3S678 |
7" | 177.8mm | optional | 3S7 |
7 1/8" | 181.0mm | optional | 3S718 |
7 1/4" | 184.2mm | optional | 3S714 |
7 3/8" | 187.3mm | optional | 3S738 |
7 1/2" | 190.5mm | optional | 3S712 |
7 5/8" | 193.7mm | optional | 3S758 |
7 3/4" | 196.9mm | optional | 3S734 |
7 7/8" | 200.0mm | optional | 3S778 |
8" | 203.2mm | optional | 3S8 |
8 1/8" | 206.4mm | optional | 3S818 |
8 1/4" | 209.6mm | optional | 3S814 |
8 1/2" | 215.9mm | optional | 3S812 |
8 5/8" | 219.1mm | optional | 3S858 |
8 3/4" | 222.3mm | optional | 3S834 |
8 7/8" | 225.4mm | optional | 3S878 |
9" | 228.6mm | optional | 3S9 |
9 1/8" | 231.8mm | optional | 3S918 |
9 1/4" | 235.0mm | optional | 3S914 |
9 1/2" | 241.3mm | optional | 3S912 |
9 5/8" | 244.5mm | optional | 3S958 |
9 3/4" | 247.7mm | optional | 3S934 |
9 7/8" | 250.8mm | optional | 3S978 |
10" | 254.0mm | optional | 3S10 |
10 5/8" | 269.9mm | optional | 3S1058 |
11 1/2" | 292.1mm | optional | 3S1112 |
12" | 304.8mm | optional | 3S12 |
12 1/4" | 311.2mm | optional | 3S1214 |
12 1/2" | 317.5mm | optional | 3S1212 |
13 3/4" | 349.3mm | optional | 3S1334 |
14" | 355.6mm | optional | 3S14 |
14 3/4" | 374.7mm | optional | 3S1434 |
15" | 381.0mm | optional | 3S15 |
15 3/4" | 400.1mm | optional | 3S1534 |
17 1/2" | 444.5mm | optional | 3S1712 |