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Integral Spiral Blade Stabilizers is divided into string type and near-bit type according to the position differently, there are many ways to increasing abrasive resistance, e.g. tungsten carbide, it owns high hardness and great toughness, high resistance, long service life, and so on.

Working	Fishing O.D.	Up Conn.	Down Conn.	I.D.	Fishing Length	Blade Length	Blade Wide	OAL	Remark
O.D.	inch(mm)	API	API	inch(mm)	inch(mm)	inch(mm)	inch(mm)	inch(mm)
inch(mm)
5-7/8	4-3/4	NC38	NC38	2-1/4	20.0	16.0	37260.0	57.0	String
(142.9)	(120.7)		3-1/2REG	(57.2)	(508.0)	(406.0)	(57.2)	(1448.0)	Near Bit
8-1/2	6-1/2	NC50	NC50	2-13/16	20.0	16.0	37258.0	60.0	String
(215.9)	(165.1)		4-1/2REG	(71.4)	(508.0)	(406.0)	(63.5)	(1524.0)	Near Bit
12-1/4	8.0	6-5/8REG	6-5/8REG	2-13/16	20.0	16.0	37623.0	63.0	String
(311.1)	(203.2)			(71.4)	(508.0)	(406.0)	(88.9)	(1600.0)	Near Bit
17-1/2	9.0	7-5/8REG	7-5/8REG	3.0	20.0	18.0	38050.0	26300.0	String
(444.5)	(228.6)			(76.2)	(508.0)	(457.0)	(121.0)	(1840.0)	Near Bit
22.0	9-1/2	7-5/8REG	7-5/8REG	3.0	30.0	20.0	38050.0	93.0	String
(558.8)	(241.3)			(76.2)	(762.0)	(508.0)	(121.0)	(2362.0)	Near Bit
26.0	9-1/2	7-5/8REG	7-5/8REG	3.0	30.0	20.0	38050.0	93.0	String
(660.4)	(241.3)			(76.2)	(762.0)	(508.0)	(121.0)	(2362.0)	Near Bit
28.0	9-1/2	7-5/8REG	7-5/8REG	3.0	35.0	20.0	38050.0	98.0	String
(711.2)	(241.3)			(76.2)	(889.0)	(508.0)	(121.0)	(2489.0)	Near Bit
When ordering or requesting quotation, if size out of above specification, pls. specify clearly.