High Quality Water Well Drilling 3wings Drag Bits, Clay Cutter 165mm, 203mm, 216mm, 254mm, 305mm, 355mm

• Customization: Available
• After-sales Service: Online Technical Support
• Type: Drag Bit
• Model NO.: DB254MM
• Application: Water Well,Rock Drilling
• Certification: CE, ISO9001: 2000, API
• Condition: New
• Processing Type: Casting
• Thread Connection: 4-1/2reg
• Weight: 24kgs
• Transport Package: Standard Wooden Package Delivery by Sea
• Specification: DB-254mm
• Trademark: JCDRILL
• Origin: China
• HS Code: 82071990
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 24.000kg

Product Description

High quality water well drilling 3wings drag bits
Three wings step drag bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes' drilling.

Types: Ordinary type; Reinforced type; Super strength type.
Threads: Any female or male threads

All sizes are generally 3 wings and standard design;

Any size of 4 wings or chevron type is upon customer's request;
All sizes connection type are AROD,NROD or standard API thread;
Any special size and design is upon customer's request.
Drag bits diameter:76mm to 445mm;
Step Drag Drill Bits thread sizes: :2 3/8" API Reg, 3 1/2" API Reg, 4 1/2" API Reg, 6 5/8" API Reg, etc;

 

No.	Bit Diameter		Type	Part No
	inch	mm	Step / Chevron
1	4	102	S/C	DB4S/DB4C
2	4 1/8	105	S/C	DB418S/DB418C
3	4 1/4	108	S/C	DB414S/DB414C
4	4 1/2	114	S/C	DB412S/DB412C
5	4 5/8	117	S/C	DB458S/DB458C
6	4 3/4	121	S/C	DB434S/DB434C
7	4 7/8	124	S/C	DB478S/DB478C
8	5	127	S/C	DB5S/DB5C
9	5 1/8	130	S/C	DB518S/DB518C
10	5 1/4	133	S/C	DB514S/DB514C
11	5 1/2	140	S/C	DB512S/DB512C
12	5 5/8	143	S/C	DB558S/DB558C
13	5 3/4	146	S/C	DB534S/DB534C
14	5 7/8	149	S/C	DB578S/DB578C
15	6	152	S/C	DB6S/DB6C
16	6 1/8	156	S	DB618S
17	6 1/4	159	S	DB614S
18	6 1/2	165	S	DB612S
19	6 5/8	168	S	DB658S
20	6 3/4	171	S	DB634S
21	6 7/8	175	S	DB678S
22	7	178	S	DB7S
23	7 1/8	181	S	DB718S
24	7 1/4	184	S	DB714S
25	7 1/2	191	S	DB712S
26	7 5/8	194	S	DB758S
27	7 3/4	197	S	DB734S
28	7 7/8	200	S	DB778S
29	8	203	S	DB8S
30	8 1/8	206	S	DB818S
31	8 1/4	210	S	DB814S
32	8 1/2	216	S	DB812S
33	8 5/8	219	S	DB858S
34	8 3/4	222	S	DB834S
35	8 7/8	225	S	DB878S
36	9	229	S	DB9S
37	9 1/8	232	S	DB918S
38	9 1/4	235	S	DB914S
39	9 1/2	241	S	DB912S
40	9 5/8	244	S	DB958S
41	9 3/4	248	S	DB934S
42	9 7/8	251	S	DB978
43	10	254	S	DB10S
44	12	305	S	DB12S
45	12 1/4	311	S	DB1214S
46	15	381	S	DB15S
47	17 1/2	445	S	DB1712S

Q: Are you original manufacturer?	Q: Which payment terms are available to us?	Q: Which Incoterms 2010 terms can we work?
A: Yes, we JCDRILL is a official leading manufacture in drilling machinery in China and we have the whole series products you need.	A: T/T term or L/C term. On T/T term, 30% down payment is required in advance, and 70%  balance shall be settled before shipment. On L/C term, a 100% irrevocable L/C without "soft clauses" can be accepted.	A: We JCDRILL are a professional and international company, accept all Incoterms 2010 terms, normally we work on FOB, CIF, CFR, CIP.
Q: How long will the delivery time take?	Q: How about after sales service?	Q:Spare Parts When You Need Them
A: Normally mud pump products will take about 3-15 days to produce the ordered machines. Most of the time, we can have an immediate delivery of our regular machines in 15 days.	A: 365×24 Year-round Service We are committed to year-round 24-hour service even during holidays, in line with our policy of always providing "a response within 15 minutes and job completion within 24 hours."	A:We have spare parts centers across continents that stock specialist spare parts. We promise that spare parts will be delivered within 72 hours or no more than one week.

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