Gearench公司位于德克萨斯州休斯敦市，它成立于1927年。其第一款专利产品是一个用于小口径管子的手动工具。从这个工具开始，该公司已发展壮大成为超过40个产品线的企业，这些产品用于石油行业中的各个领域，包括勘探、钻井、成产、提炼和完成等工艺步骤。这些工具也在水井、非开挖技术钻井、采矿、发电应用和一般工业领域得到发展。
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CATALOG NO. O.D. GRIPPING WIDTH WEIGHT MAXIMUM WORKING LOAD
ZT1:0.625 0.625 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.688 0.688 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.750 0.750 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.812 0.812 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.875 0.875 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.938 0.938 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:0.969 0.969 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:1.000 1.000 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:1.031 1.031 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:1.062 1.062 2.25 6-1/2 lbs. 500 ft-lbs.
ZT1:1.125 1.125 2.25 6-1/2 lbs. 500 ft-lbs.
