steel rock bit for oil from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

Price:	500.0~8000.0 RMB
Payment Terms:	T/T,L/C
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: TH316

Production Capacity: 500pieces per month

Delivery Date: 7 days after deposit

Style: Others

insert rock bit: rock bit

size: 3-3/4''-26''

Means of Transport: Ocean,Land,Air

Packing: in wooden box or iron box

Type: Others

Brand Name: TENGDA

drill roller bit: buttion drill bit

export market: global

1.Homework diameter size:12-1/4inch
2.Connection thread size:4-1/2
3.Cutting teeth specifications:1613
4.Certification:API

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
			Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
TH126	126	Soft with low compressive strength and high (clay,mudstone,salt,loose sand,soft limestone,etc.)	bigger teeth with teeth space less than TH116,hardfacing on both flanks and outer face.Carbide insert on TH127 heel row and gage for special gage protection.	0.351.00	15070
TH127	127
TH136	136	Soft to medium soft with low compresive strength or soft with harder streaks(shale,mudstone, soft limestone,sandstone,etc)	Shorter teeth with less teeth space,hardfacing on all teeth faces and gage .Carbide insert on TH137 heel row and gage for gage protection.	0.351.05	12060
TH137	137
TH216	216	Medium hard with higher compressive strength and hard streaks(hard shale, sandstone,limestone,etc.)	Less teeth and teeth space,gage protection by using T shape teeth on the heel row ,hardfacing on all teeth faces and gage.Inserton TH217 heel row and gage for gage protection.	0.351.20	10050
TH217	217
TH316	316	Hard with high compressive strength and abrasiveness(hard shale,hard sandstone,hard limestone and dolomite,etc.)	Short teeth with less teeth space,heel row densified with"T"shaped teeth,and hardfacing on aall teeth faces and gage.For TH317,carbide inserts are used on gage for improved protection.	0.701.40	8045
TH317	317
TH346	346	Very hard with high compressive strength and abrasiveness,such as quartzite,sandy quartzite,chert, pyrite and granite,etc.	Short & thick teeth with special ring type crest are utilized,with" "shaped teeth in heel row and hardfacing on all teeth faces and gage.For TH347,carbide inserts are used on gage for improved protection.	1.101.40	7050
TH347	347

NO.	Tricone bit size		Thread sizes	NO.	Tricone bit size		Thread sizes
NO.	Inch	mm	Thread sizes	NO.	inch	mm	Thread sizes
1	3-3/4	95.3	2-3/8	28	9-5/8	244.5	6-5/8
2	3-7/8	98.4	2-3/8	29	9-7/8	250.8	6-5/8
3	4-1/8	104.8	2-3/8	30	10-1/2	266.7	6-5/8
4	4-1/4	108.0	2-3/8	31	10-5/8	269.9	6-5/8
5	4-1/2	114.3	2-3/8	32	11	279.4	6-5/8
6	4-5/8	117.5	2-7/8	33	11-5/8	295.3	6-5/8
7	4-3/4	120.7	2-7/8	34	12	304.8	6-5/8
8	4-7/8	123.8	2-7/8	35	12-1/4	311.2	6-5/8
9	5-1/2	139.7	3-1/2	36	12-5/16	312.7	6-5/8
10	5-5/8	142.9	3-1/2	37	12-3/8	314.3	6-5/8
11	5-2/3	143.9	3-1/2	38	12-7/16	315.9	6-5/8
12	5-3/4	146.1	3-1/2	39	12-5/8	320.7	6-5/8
13	5-7/8	149.2	3-1/2	40	13-1/8	333.4	6-5/8
14	6	152.4	3-1/2	41	13-1/2	342.9	6-5/8
15	6-1/8	155.6	3-1/2	42	13-5/8	346.1	6-5/8
16	6-1/4	158.8	3-1/2	43	13-3/4	349.3	6-5/8
17	6-1/2	165.1	3-1/2	44	14-1/2	374.7	7-5/8
18	6-5/8	168.3	3-1/2	45	14-3/4	374.7	7/5/8
19	6-3/4	171.5	3-1/2	46	15-1/2	393.7	7-5/8
20	7-1/2	190.5	4-1/2	47	16	406.4	7-5/8
21	7-5/8	193.7	4-1/2	48	17-1/2	444.5	7-5/8
22	7-7/8	200.0	4-1/2	49	18-7/8	479.4	7-5/8
23	8-3/8	212.7	4-1/2	50	20	508.0	7-5/8
24	8-1/2	215.9	4-1/2	51	22	558.8	7-5/8
25	8-5/8	219.1	4-1/2	52	24	609.6	7-5/8
26	8-3/4	222.3	4-1/2	53	26	660.4	7-5/8