Changsha Golden Drilling Machinery Co.,Ltd
Real Facotry, Prime Service and Diamond Quality
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12 1/4' Steel Tooth Bit Carbide Tungsten Core Barrel ISO Certification
Specification of Roller Bits
| Size | TC Bit Dia.(mm) | TC Bit No. (PCS) | TC Bit Height(mm) | Dia. of Roller(mm) | Height of Roller(mm) | Remarks |
| 8-1/2’ | 13 | 42 | 7 | 134 | 83 | Both Welding and holder type are available |
| 13 | 55 | 7 | 130 | 83 | ||
| 14 | 42 | 9 | 138 | 83 | ||
| 14 | 55 | 9 | 134 | 83 | ||
| 15 | 45 | 8 | 141 | 83 | ||
| 10-1/2’ | 17 | 50 | 11 | 170 | 98 | |
| 12-1/4 | 14 | 75 | 9 | 186 | 130 |
Feature :
1. Strong resistance to abrasion and impact resistance
2 . Cutter's quality performance is good
3 . long work life
4 . stocks adequate, time delivery
5 . rich experience in drill bit
6 . good after-sales service
7 . High quality, competitive price
Our Service
1. We will keep track of each customer to get the feedback of product quality and service. And we will make an amendment according to your feedback.
2. If the product size is wrong, we will send the right one freely.
3. We guarantee the high quality. Please feel free to contact us if you found any damage. We will solve the problems ASAP.