8 1/2" TCI Tricone Bits / Water Well Drill Bit/ Tricone Drill Bit
Yiwu Jialan Package Co., Ltd. / 2022-06-27
- Type：Core Drill
- Usage：Metal Drilling, Masonry Drilling, Well Drilling, Wood Drilling
- Certification：API
- Name：Tricone Rotary Drill Bits
- Item：Tricone Drill Bits
- Series：Tricone Bits
=== Base Info ===
- Model NO.：ROS 8 1,2"
- Use：Well Drilling
- Model No：Rock Drill Bits
- Item Name：Tri Cone Drill Bits Water Well
- Tricone Bits Size：12 Inch Tri Cone Drill Bits
- Application：Tri Cone Drill Bits Hard Formations
- Name No：Baker Hughes Tricone Bits
- Drilling：Tricone Roller Cone Drill Bits
- Transport Package：Wooden Box
- Specification：8 1,2"
- Trademark：ROSCHEN
- Origin：China
- HS Code：843143210
- Production Capacity：2000
=== Description ===
API THREAD REG.PIN in mm 1 3 3/4 95.3 2 3/8 2 3 7/8 98.4 2 3/8 3 4 1/8 104.8 2 3/8 4 4 1/4 108 2 3/8 5 4 1/2 114.3 2 3/8 6 4 5/8 117.5 2 7/8 7 4 3/4 120.7 2 7/8 8 4 7/8 123.8 2 7/8 9 5 1/2 139.7 3 1/2 10 5 5/8 142.9 3 1/2 11 5 2/3 143.9 3 1/2 12 4 3/4 146.1 3 1/2 13 5 7/8 149.2 3 1/2 14 6 152.4 3 1/2 15 6 1/8 155.6 3 1/2 16 6 1/4 158.8 3 1/2 17 6 1/2 165.1 3 1/2 18 6 5/8 168.3 3 1/2 19 6 3/4 171.5 3 1/2 20 7 1/2 190.5 4 1/2 21 7 5/8 193.7 4 1/2 22 7 7/8 200 4 1/2 23 8 3/8 212.7 4 1/2 24 8 1/2 215.9 4 1/2 25 8 5/8 219.1 4 1/2 26 8 3/4 222.3 4 1/2 27 9 1/2 241.3 6 5/8 28 9 5/8 244.5 6 5/8 29 9 7/8 250.8 6 5/8 30 10 1/2 266.7 6 5/8 31 10 5/8 269.9 6 5/8 32 11 279.4 6 5/8 33 11 5/8 295.3 6 5/8 34 12 304.8 6 5/8 35 12 1/4 311.2 6 5/8 36 12 5/16 312.7 6 5/8 37 13 3/8 314.3 6 5/8 38 12 7/16 315.9 6 5/8 39 12 5/8 320.7 6 5/8 40 13 1/8 333.4 6 5/8 41 13 1/2 342.9 6 5/8 42 13 5/8 346.1 6 5/8 43 13 3/4 349.3 6 5/8 44 14 1/2 368.3 7 5/8 45 14 3/4 374.7 7 5/8 46 15 1/2 393.7 7 5/8 47 16 406.4 7 5/8 48 17 1/2 444.5 7 5/8 49 18 7/8 479.4 7 5/8 50 20 508 7 5/8 51 22 558.8 7 5/8 52 24 609.6 7 5/8 53 26 660.4 7 5/8 54 28 711.2 7 5/8 55 30 762 7 5/8
Product Pictures
Production
FAQ
Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.
Q: How about the delivery terms?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.
Q: How about discount?
A: Price is based on products and order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Website: http://roschen.en.made-in-china.com
; http://roschen.en.made-in-china.com
http://roschen.en.made-in-china.com
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