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high drill API rock roller tricone drill bits for well drilling

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Negotiable / Piece

1 Piece(Min.Order)

Supply Ability 2000 Piece / Pieces per Month
Port China main port
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Product Details

Place of Origin:	China	Brand Name:	SENWELL	Type:	Drill Bit
Machine Type:	Drilling Tool	Certification:	API	Material:	High Manganese Steel
Processing Type:	Forging	Use:	Well Drilling

Product Description

Specifications

Standard: API spec 7-1
Center nozzle is equipped for bits of larger sizes

Roller Cone Bits

There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7.

There are rubber sealed bearing bits and metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.

The surfaces of main or key parts are hardfaced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.

Technical specifications and parameters for Roller Bit (Tricone Bit)
Size		IADC Code	API Regular Pin (in)
in	mm	IADC Code	API Regular Pin (in)
3 7/8	98.43	126,617
4 1/4	107.9	131,321	2 3/8
4 5/8	117.5	121,241,527	2 7/8
4 3/4	120.6	241	2 7/8
5 5/8	142.9	121,241,321,537	3 1/2
5 7/8	149.2	241,321,517,537,547,617,637
6	152.4	211,216,246,437,517,527,537,547,617,637
6 1/8	155.6	117,211,437,517
6 1/4	158.7	121,241,321,517,527,537,547,637
6 1/2	165.1	517
6 3/4	171.4	121,241,321
7 1/2	190.5	121,124,134,217,244,517,527,547,617	4 1/2
7 7/8	200	121,124,131,134,241,321,517,527,547,617
8 3/8	212.7	215,217,517,527,537,547,617,637
8 1/2	215.9	114,116,117,121,124,126,127,131,134,137,211,216,217 241,247,321,437,447,517,527,537,547,617,637,837
8 3/4	222.2	127,417,437,447,517,537,617
9 1/2	241.3	117,124,125,127,437,517,527,537,617,637	6 5/8
9 5/8	244.5	114,121,124,131,134,437,517,527
9 7/8	250.8	115,121,211,241,321,512,542,612,732
10	254	126
10 5/8	269.9	127,217,417,517,527
11 5/8	295.3	117,127,137,217,417,517,537,547
12	304.8	124,126,216,517,537,547,617
12 1/8	308	547
12 1/4	311.1	114,115,116,117,121,124,126,131,134,137,211,214,244,437,517,527,537,547,617,637
13 5/8	346.1	114,115,121,124,437,515,517
13 3/4	349.2	114,115,437,517
14 3/4	374.6	136,127,517,527	7 5/8
15	381	121,124,241,244
15 1/2	393.7	125,215,217,517,537
16	406.4	115,215,515,535,545
17 1/2	444.5	435,515,437,517,527,537,547
18	457.2	547
18 1/2	469.9	547
19 1/4	489	115,225
20	508	125,215,515,525
22	558.8	124
24	609.6	124
26	660.4	114,124,134,525
36	914.4	124

Contact Us

Shaanxi Senwell Import & Export Co., Ltd.: Contact nameJenny Zhang
Chat Now; Phone86-29-85370919; Address1623, Unit 1, Bldg. 2, I Duhui, Yicuiyuan, Tangyan South Road, High-Tech Zone

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