Roller Reamers

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Brand:	-
Origin:	-
Category:	Industrial Supplies / Machinery / Filters
Label:	Roller Reamers , Roller , Reamers
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Product Description

Drilling Reamer

     The roller stabilizer (drilling reamer) is used for all kinds of reaming stabilization in drilling operation, especially the function of stabilization in drilling of the abrasive formation. It is a very popular tool for hole size from 4 5/8 to 26". Additionally, it can be used in different hole when same body is equipped with different bearing block and roller. The body is made of modified alloy steel, fully heat treated to 285~341Brinell hardness and 54J minimum impact strength.
    Rollers are available below:
    1. Narrow-teeth type is used for cutting of hole wall for soft formation.
    2. Wid-flat-teeth type is used for crushing into pieces of borehole wall for medium and hard formation.
   3. Inserted tungsten carbide alloy type is for hard formation.

Technical specification and parameters

Type	Hole(in)	Thread API	O.D.(mm)	I.D(mm)	Overall Length (mm)	O.D.on each end (mm)	Roller dia. (mm)	Roller length (mm)
JKQ155	6 1/8	3 1/2"	155	31.7	1470/1572	140	51	200
JKQ206	8 1/8	4"IF	206	38	1600	160	70	200
JKQ212	8 3/8	4 1/2"REG	212.7	44	1600	160	70	200
JKQ215	8 1/2	4 1/2"REG	215.9	50.8	1730/1844	160	70	250
JKQ244	9 5/8	NC50	244	57	1800	178	70	250
JKQ311	12 1/4	6 5/8"REG	311.2	71	1773/2127	203	105	300
JKQ444	17 1/2	7 5/8"REG	444.5	76	2200	228	140	350
JKQ660	26	7 5/8"REG	660.4	76	3000	254	178	400