rock bit

1. Sizes rang from 2 7/8" to 26", 2. Reliable bearing system, 3.Fast drilling rate, 4. long operating life, 5.SGS Certificate - details see: https://www.machineto.com/rock-bit-10317002
Place of Origin:Hebei China (Mainland)Brand Name:TengdaModel Number:12 1/2"TDFA727Type:Drill Bit
Machine Type:Drilling ToolCertification:SGSMaterial:Carbon SteelProcessing Type:Forging
Use:Ore MiningType of bearings:Sliding Bearing and roller bearingTypes of Sealing:Rubber Rings and metal ringsColor:black, blue or as you request
IADC code:international standardformation:soft to hard formation  
rock bit
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rock bit
Packaging Detail:wooden case, steel case or as you like
Delivery Detail:within 5 days after deposits

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