1.the head of tungsten carbide tip is fired by vacuum
2.has got the certification of ISO9000/2000
3.drill bits
Port: qingdao,tianjin,dalian
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 650000 Piece/Pieces per Month
Payment Terms: T/T
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Packaging Detail: plastic case
Delivery Detail: 15days
1.We can supply all kinds of RUIZUAN brand coal mining bits, sleeves and holders which have high strength, high wear resistance and long life features; The material of the steel body adopt the 42CrMo.The tungsten carbide tip adopt YG11C and YG13C.
2.Our product are widely used on excavation machines, shearers, coal mines, iron ores, aluminum ores, geotechnical engineering etc;
3.We can design and produce different bits according to different hardness of rock to satisfy customer’s different requirements;
4.We also can help our customers to design, produce and repair all kinds of cutter drums.
5.We can supply the following Bits and Holders:U82,U84,U85,U92,U94,U95,S120,S135,S150,U765K,U765HD,C31HD,AM511 etc.
Model No.: EB7520S(B)
Features: type: blower
2 Professional service
3.Competitive price
4.Sample lead time:3-5 days
5.Delivery lead time:2 weeks
Model No.: YA517
Features: 1.type size:3 3/4" 95.3mm
2.material:Tungsten Carbide
3.size range 95.3mm to 155.6mm
4.drilling formation:medium to hard
Model No.: 79mm-660mm
Features: Rubber sealed bearing steel tooth bit
1)size from 3''to 26''
2)covered all IADC code
3)with API&ISO9001
4)best quality
Model No.: HA117
Features: 1.with API and ISO9001
2.lower price with good quality
3.min order 1pcs
4.different size
Model No.: DC-SDCB05
Features: 1" Diamond core bit
1.Crown segment
2.Speed:2500-10000rpm
3.Lead time:10-15days
4.30-50s/hole for 3cm granite
Model No.: KXDF3105-305
Features: Reverse circulation drill bits
1).Drill diameter: 305mm-308mm
2).15 years
3).1pcs+ 5 days
4).Granite,limestone,sand rock,etc
Model No.: CY-590B
Features: 1.42.7cc,52.0cc earth auger
2.New style gear case,more powerful
3.Efficient and durable
4.Easy to operate
Model No.: NQ
Features: -Impregnated Diamond Core Bits
-BQ,NQ,HQ,PQ & Non-standard
-Good Quality,Top Service
-Better Overall life,High Drill Accuracy
Model No.: IADC
Features: water well drill bit
1.API and ISO9001
2.min order 1pcs
3.have a large stock
4.tungsten carbide insert
Model No.: 45-250cm
Features: PDC bit, PDC drill bit, PDC driling bit,TCI tricone bit, steel tooth tricone bit
ISO9001, API
30 years history
Model No.: triconebit-1
Features: 1-Bit API or ISO 9001
2-Bit size 6"-17 1/2"
3-Bit high quality and low price
4-Bit speed fast
5-Bit more inventory
Model No.: HH75
Features: Impregnated Diamond Core Drill Bits
Size: AQ,BQ,NQ,HQ drill bit
drill bit: drill soft ~ hard rock
Used for rock/mining dri