8 2/1'' Mining Oil Hole Drill Bit - all types

Oil Hole Drill Bit, 1)5 blades, 2)quality guarantee, 3)Long-term and trusty supplier, 4)Considerate after sales service - more info check here: //www.buyindustrialtools.com/8-2-1-Mining-Oil-Hole-Drill-Bit-10183344/

Quick Brief

Place of Origin: Henan China (Mainland) Brand Name: ZM Model Number: all types Type: Center Drill Bit Material: Cobalt Steel Alloys Use: Well Drilling use fields: oil/gas field, geological explorati... main market: america,russia,india,brazil material: diamond PDC and steel body Certificate: API and ISO color: yellow,blue,black size: you desined main use: oil drilling bit brand: ZM blades quantity: four or five or six quality garantee: ISO Control

Product Features:

Oil Hole Drill Bit

1)5 blades

2)quality guarantee

3)Long-term and trusty supplier

4)Considerate after sales service

Business Terms:

Port: china main port

Minimum Order Quantity: 1 Piece/Pieces

Supply Ability: 100 Piece/Pieces per Month

Payment Terms: L/C,T/T,Western Union

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Specifications and Product Details:

oil hole dril bit

Optimized short parabolic profile, suitable for drilling soft to medium soft homogeneous formations
Asymmetrical evolute spiral blade cutter placement makes the bit more stable during drilling
Primary and secondary cutting structure extends bit life
CFD hydraulic balance design results in better bit cleaning and cutting removal
Combined utilization of high performance PDC compacts significantly prolongs bit life

Bit size (in)	Specifications				Recommended drilling parameters
Bit size (in)	No. of cutters (pcs)	Gage length (mm)	No. of nozzles (pcs)	API reg. pin size (in)	WOB (kN)	RPM (r/min)	Mud flow rate (l/s)	HHP (w/mm²)
8 1/2	26	85	4	4 1/2	30-100	50-250	25-35	2-7
12 1/4	41	120	6	6 5/8	50-160	50-250	44-60	2-7

tungsten carbide martrix pdc oil bit possesses high wear resistant and impact resistant , parabolic crown profile and maxmizes junk slot can clean bit better and prolong the bit working life : the main structure feat, applying drylaulic balance designed , renewal nozzles and reasonable locating angle can gain ideal fluid field in well bottom, full clean and cool cutter, non-symmetry blades arrangement enhance drilling well balance, optimization for cutter shape, slant angle, cutter numbers prolong the bit working life in combination with the high quality of pdc cutter, and improve rop and drilling efficiency, it can be used on rotary and down hole motor,
type typesizeAPI PIN SIZEWEIGHT(KGS)
inchdia
8 1/2 M 1234AL8 1/2215.94 1/2 REG70
8 1/2 M 3235AL8 1/2215.94 1/2 REG70
8 1/2 M3235BLF8 1/2215.94 1/2 REG70
8 1/2 M2235L8 1/2215.94 1/2 REG70
8 1/2 M3236AL8 1/2215.94 1/2 REG70
8 3/4 M3235AL8 3/4222.34 1/2 REG72
9 1/2 M3235L9 1/2241.36 5/8 REG85
9 1/2 M3236L9 1/2241.36 5/8 REG85
12 1/4 M323512 1/4311.16 5/8 REG105

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