12 1/4 TCI Tricone Bits/Rock Bits/Drill Bits

• Type: Core Drill
• Usage: Metal Drilling, Masonry Drilling, Well Drilling, Wood Drilling
• Certification: API
• Name: Tricone Drill Bit
• Use: Africa Mining
• Exploration: Australia Exploration
• Model NO.: ROS 12 1/4"
• Mining: Australia Mining
• Model No: Mining Exploration Core Drilling
• Bits: Tricone Drill Bits Spare Part
• Drill Bits: TCI Tricone Drill Bits
• China: China Tricone Bits
• Sale: Tricone Bit Sale
• Manufacturer: Tricone Roller Cone Drill Bits Manuf
• Transport Package: Wooden Box
• Specification: 12 1/4"
• Trademark: ROSCHEN
• Origin: China
• HS Code: 843143210
• Production Capacity: 2300

Product Description

ROSCHEN specializes in the designing, manufacturing,marketing and servings the high performance diamond bits, tricone bits and drilling tools which used in petroleum industry.
 
We have advanced production equipment,excellent design and testing the quality assurance system in our production base.All our products meet strict ISO 9001:2008 and API standards.
 
Ascribed to our excellent quality, our products have won a good reputation both home and abord. Customers from the United States, Canada, Australia, Middle East, South Africa,Korea and Japan, etc, have already established agreeable and mutual-benefit business relationship with us and highly appreciated our professional services.
 
We look foward to adding you to our long list of satisfactory customers.Don't hesitate to send us your inquiries for drilling tools!
 

NO.	TRICONE ROCK BIT SIZE		REG.PIN API
	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

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