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Drilling Jars

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Name: Drilling Jars Name: Beijing Tripod International Trade Co., Ltd Model: Brief: Type BZ Drilling Jar is full mechanical type drilling jar and releasing stuck tool. The Drilling Jar integrates the upward jarring with the downward jarring so that it can release from the tight pull or the sticking etc. during drilling.

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Technical Specifications:

 

Type	O.D. (mm/inch)	I.D. (mm/inch)	Connection API	Max. Upward Jarring Force KN	Max. Downward Jarring Force KN	OAL (mm/inch)
BZ121	121(4-3/4)	50.8(2)	NC38	450	230	6356(250)
BZ159	159(6-1/4)	57.2(2-1/4)	NC50	630	360	7265(286)
BZ165	165(6-1/2)	57.2(2-1/4)	NC50	630	360	7265(286)
BZ196	196(7-3/4)	71.4(2-13/16)	6-5/8REG	820	460	7062(287)
BZ203	203(8)	71.4(2-13/16)	6-5/8REG	820	460	7062(287)