IADC321 drill bit

Roller Cone Bits

There are rich and diverse roller bits to meet different requirements of formations and rotary speed s. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7.
There are not only rubber sealed bearing bits but also 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.
Center nozzle is equipped for bits of larger sizes.

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< /p>
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	114,115,116,117,121,124,126,131,134,137,211,214,244,437,517,527,537,54 7,617,637
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

Location : Rm1623,Unit 1,No.2 Building, I-City of the Greenwich, No.11 Tangyan South Road, High-Tech District, Xi'an City, Shaanxi Province,China , 710065 xi'an,
Contact : lily jing, 0086 29 85370919

lilyjing

3.2/5

Retail

Registered since 16 April 2015

Identification number of the company : 559366943

lilyjing

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IADC321 drill bit

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