• Model NO.：IADC 435 525 635 725 845
• MOQ：1PCS
• Color：on Request
• After Sale Service：Yes
• OEM/ODM：Yes
• Transport Package：Plywood Box
• Specification：6 1,4" to 12 1,4"
• Trademark：SANSUNG
• Origin：China
• HS Code：82071300
• Production Capacity：30000 PCS,Year

IADC  WOBRPMApplication(KN/mm)(r/min)437/447/4350.35-0.9240-70very  soft formations with low compressive strength and high drill ability, like  clay, mudstone, chalk, gypsum, salt, soft limestone517/527/5150.35-1.0220-60soft  formations with low compressive strength and high drill ability, like  mudstone, gypsum, salt, soft limestone537/547/5350.45-1.0220-50soft  to medium formations with low compressive strength, like medium, soft shake,  medium soft limestone, medium soft sandstone, medium formation with harder  and abrasive interbeds617/6150.45-1.1200-50medium  hard formation with high compressive strength, like hard shale, limestone,  sandstone, dolomite637/6350.5-1.1180-40hard  formation with high compressive strength, like limestone, sandstone,  dolomite, hard gypsum, marbleNote: Above limitts of WOB and RRPM should not be used  simultaneously

Thread Pin:

Bit DiameterAPI PIN(inch)(mm)6 1/4"~6  3/4"159~1713 1/2"7 1/2"~9  1/2"190.5~2414 1/2"9  5/8"~12 1/4"245~3116 5/8"

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