Application: Wire-line coring drilling rod, geology prospecting, drilling machine, etc.Size Range: OD 33-95mm, WT 2-10mm.Steel Grade: 45MnMoB, 30CrMnSiA, KWK850.Straightness:0.25mm/1000mm, 0.5mm/1000mm.
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Application: Wire-line coring drilling rod, geology prospecting, drilling machine, etc.Size Range: OD 33-95mm, WT 2-10mm.Steel Grade: 45MnMoB, 30CrMnSiA, KWK850.Straightness:0.25mm/1000mm, 0.5mm/1000mm.
