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TCI Tricone Drilling Bit 12 1/2 inch Rock Roller Bit with Tungsten Carbide Inserts for Medium to Hard Formations

Name: TCI Tricone Drilling Bit 12 1/2 inch Rock Roller Bit with Tungsten Carbide Inserts for Medium to Hard Formations
Brand: ROSCHEN GROUP

Roschen TCI Tricone Bits feature reliable bearing systems, high-efficiency drilling with relieved cone steel, and hydraulic flexibility for optimal cutting removal. Available in sizes from 3 3/4 to 30 inches with custom configurations for various geological formations. These tungsten carbide insert bits provide superior performance as an alternative to DTH hammers.

Brand Name ROSCHEN

Place of Origin Germany

Price Negotiation

Minimum Order Quantity 1 pcs

Packaging Details wooden boxking packing

Model Number 5 7/8",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",14 3/4",17 1/2"

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Product Description

TCI Tricone Drilling Bit Overview

Roschen TCI Tricone Bits deliver maximum performance through advanced technology and revolutionary design processes. These tungsten carbide insert bits provide a reliable alternative to DTH hammers, available in medium soft, medium hard, and hard formation configurations.

Key Features

Reliable Bearing System

Field-proven elastomer and lubricant research combined with optimized bearing geometry and metallurgy ensures dependable performance.

High Efficiency Drilling

Relieved cone steel, aggressive tooth pitches, and active shear-cutting gauge compacts deliver low-cost performance solutions.

Hydraulic Flexibility

Wide range of available nozzle and jet sizes enables optimization of bit hydraulics for efficient cutting removal and fast rate of penetration.

Technical Specifications

Bit Size (inch)	Bit Size (mm)	API Pin	Weight (lb)	Weight (kg)
3 3/4	95.3	2 3/8	14	6.4
3 7/8	98.4	2 3/8	14	6.4
4 1/8	104.8	2 3/8	16	7.3
4 1/2	114.3	2 3/8	20	9.0
4 5/8	117.5	2 7/8	20	9.0
4 3/4	120.3	2 7/8	22	10.0
4 7/8	123.8	2 7/8	22	10.0
5	127	2 7/8	21	9.5
5 1/4	133.4	2 7/8	25	11.4
5 1/2	139.7	3 1/2	29	13.2
5 5/8	142.9	3 1/2	29	13.2
5 3/4	146.1	3 1/2	35	15.9
5 7/8	149.2	3 1/2	39	17.7
6	152.4	3 1/2	40	18.1
6 1/8	155.6	3 1/2	40	18.1
6 1/4	158.8	3 1/2	41	18.6
6 1/2	165.1	3 1/2	48	21.8
6 5/8	168.3	3 1/2	49	22.2
6 3/4	171.4	3 1/2	50	22.7
7 1/2	190.5	4 1/2	76	34.5
7 5/8	193.7	4 1/2	78	35.4
7 7/8	200.0	4 1/2	80	36.3
8 1/4	209.6	4 1/2	90	40.8
8 3/8	212.7	4 1/2	92	41.7
8 1/2	215.9	4 1/2	94	42.6
8 5/8	219.1	4 1/2	95	43.1
8 3/4	222.2	4 1/2	96	43.5
8 7/8	225.4	4 1/2	96	43.5
9	228.6	4 1/2	110	49.9
9 1/4	235.0	6 5/8	125	56.7
9 1/2	241.3	6 5/8	145	65.8
9 7/8	250.8	6 5/8	155	70.3
10 1/2	266.7	6 5/8	175	79.4
10 5/8	269.9	6 5/8	175	79.4
11	279.4	6 5/8	180	81.6
11 5/8	295.3	6 5/8	193	87.7
11 7/8	301.6	6 5/8	234	106.1
12	304.8	6 5/8	235	106.6
12 1/8	308.0	6 5/8	240	108.9
12 1/4	311.1	6 5/8	245	111.1
12 1/2	317.5	6 5/8	250	113.4
13 1/2	342.9	6 5/8	296	134.5
14	355.6	6 5/8	300	136.1
14 3/4	374.6	7 5/8	345	156.5
15 1/2	393.7	7 5/8	400	181.4
16	406.4	7 5/8	510	231.3
17	431.6	7 5/8	541	245.9
17 1/2	444.5	7 5/8	560	254
18 1/2	469.9	7 5/8	600	272.2
19	482.6	8 5/8	778	353.6
20	508.0	7 5/8	780	354.0
21	533.4	7 5/8	1056	480
21 1/2	546.1	7 5/8	1185	537.5
22	558.8	7 5/8	1185	537.5
22 3/8	568.3	7 5/8	1190	539.8
23	584.2	7 5/8	1195	542.0
23 1/2	569.9	7 5/8	1287	585.0
24	609.6	7 5/8	1195	542.0
26	660.4	7 5/8	1425	646.4
28	711.2	8 5/8	1490	676.0
30	762.0	8 5/8	1490	676.0