Steel Tooth Tricone Drill Bit

Steel tooth Tricone drill bit1.The steel body are made of high strengthe steel,Website:, which go through strict heat treatment process,for avoiding break during digging.2.2.Various kinds for meetting different demand,and different hardness of rock.3.The drill bit are in the long life term,with  ≥2800N hardness,and  ≥92 HRA.4.High working efficiency:It has fast driving speed,and do not need grinding5.It's widely using in mine,tunnels,quarries and other exploitation projects.IADCWOB(KN/mm)RPM(r/min)Applicable Formations417/4270.3-0.9150-70very Soft formation with low compressive strength and high drillability,such as clay,soft mudstone,shale,salt,loose sands,etc.437/4470.35-0.9150-70very Soft formation with low compressive strength and high drillability,such as clay,soft mudstone,shale,salt,loose sands,etc.515/5250.35-0.9180-60very Soft formation with low compressive strength and high drillability,such as mudstone,salt,soft limestone, sands,etc.517/5270.35-1.0140-50Soft formation with low compressive strength and high drillability,such as  mudstone,salt,soft limestone,sands,etc535/5450.35-1.0150-60medium soft with harder formation, more abrasive streaks,such as hard shale,mudstone,soft limestone,etc.537/5470.4-1.0120-40medium soft with harder formation, more abrasive streaks,such as hard shale,mudstone,soft limestone,etc.617/6270.45-1.190-50medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc.6370.5-1.280-40medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc.7370.7-1.270-40Hard with high abrasiveness such as hard limestone,dolomite,firm sands,etc827/8370.7-1.270-40very hard with high abrasiveness,such as quartzite,quaruzite sand,chert,basalt,granite,etc.No.TCI tricone bit size  (inch/mm)TCI tricone bit IADC codeStandard API PIN shank size(inch)TCI trcione bit G. weight(kg)13 3/8"---85.7mm517,537,617,637Non-standard323 7/8"---98.4mm517,537,617,6372-3/8 REG PIN534 5/8"---117.5mm517,537,617,6372-7/8 REG PIN845 5/8"---142.9mm517,537,617,6373-1/2 REG PIN1355 7/8"---149.2mm517,537,617,6373-1/2 REG PIN1466"---152.4mm517,537,617,6373-1/2 REG PIN1776 1/4"---159mm517,537,617,6373-1/2 REG PIN2087 5/8"---193.7mm517,537,617,6374-1/2 REG PIN3297 7/8"---200mm517,537,617,6374-1/2 REG PIN35108 1/2" ---200mm517,537,617,6374-1/2 REG PIN42118 5/8"---219mm517,537,617,6374-1/2 REG PIN42128 3/4" ---222.3mm517,537,617,6374-1/2 REG PIN43139 1/2" ---241.3mm517,537,617,6376-5/8 REG PIN60149 7/8"---250.8mm517,537,617,6376-5/8 REG PIN651512 1/4"---311mm517,537,617,6376-5/8 REG PIN981613 5/8"---346.1mm517,537,617,6376-5/8 REG PIN1341714 3/4" ---374.7mm517,537,617,6376-5/8 REG PIN1751817 1/2"---444.5mm517,537,617,6377-5/8 REG PIN251

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