taper drill bits

Multi-purpose drill bit 5pcs/set
Sizes: 4mm,5mm,6mm,8mm,10mm
Universal drill to drill holes on hardened steel, ceramic tile, concrete, laminates

Cobalt &Tungsten Carbide Tip
Chrome Vanadium Steel Shank
13pcss Multi-Purpose Drill Bit Metric Size:3-4-5.5-6-6.5-7-8-9-10-11-12mm

Specifications
All IADC CODE,all size
1.high temperature and wear resistance
2 suitable for different formation
3.best price,quality

12 ° 38mm Taper Rock Bit/ Taper Drill Bit/ Taper Button Bit

product auger drilling tool
Brand Techgong
material low alloy high grade steel
tip carbide
application pile, drill

1.rock drill bits
2.taper button rock drill bits
3.taper button bits diameter40mm

1. Short parabolic crown profile, medium cutter density.
2. Interchangeable screw nozzle.
3.Can be used on rotary or down hole motor

1.high quality taper button bits
2.Taper button bits
3.33mm taper button bits

Size from 3 7/8" to 26"
Covers almost all IADC code.
Stocks adequate&timely delivery

 
 Good Multifunction Drill Bit Sharp

Tricone bits from 6 to 17 1/2 inch, both steel milled tooth and Tungsten Carbide Insert Bit with metal seal.

 
Polycrystalline Diamond Drilling Tools PCD ( TSP ) Core Bits For Granite</stron

1) Condition: 100% new
2) Manufacturer brand name: GREAT
3) The bit size: 8 1/2''=215.9mm
4) IADC code: 517
5) Seal type: Rubber Sealed Bearing

HSS TAPER SHANK TWIST DRILL;HSS STRAIGHT SHANK TWIST DRILL; THE STEPS AND LADDERS DRILL;WOOD WORKING DRILL;MASONRY DRILLS;SDL HAMMER DRILLS;GLASS& TIL

Buttons Chisel Taper Drill Bit for Variety Rock Formations Drilling
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steel body pdc bit

2 stroke 62cc
one people operate

Material:
Tungsten Carbide
Processing Type:
Casting
Use: ...

API Tungsten Carbide Drag Bits
1. ISO9001
2. good stability
3. high drill speed
4. cheap

kingdream TCI tricone rock bits API:
1)certified by ISO9001&API
2))min order;one pcs rock bits
3)IADC:114-117,127,437,517,

Specifications:
1. Good wear-resistance
2. Better steel and longer stable drilling hours
3. Optimized profile and higher rate of penetration

Thread Button Bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers' r

Our diamond bits named Great , which ranging from 3"to 17-1/2",All the products have been awarded the ISO9001 certificate .

□1.5x1.5x1.5, □1.5x1.5x3, □3x3x3, □3x3x10, □4x4x4, □5x5x4.5, □5.5x5.5x4.5, △3x3x2.6, △5.5x5.5x4.5, △6x6x4, △8x8x4, 3x3x10xR1.5, 5x5x10xR2.5

Some information about TCL bits series
437
Soft Formation TCI Tricone Bits
The 427 tci bits are used to drill low compressive strength,very soft

high strength and toughness tungsten carbide insert cutter
size range from 3 7/8" to 26"
Covers almost all IADC code.

ISO9001:2000 certificated
High wear resistance, impact resistance, high drilling efficiency
Fast delivery
Best price

1.Sizes rang from 3 7/8 -26
2.Cover all all IADC code
3.Reliable quality and best price

mining tools, mining bits, drifter rod, extension rod, furnace bits, integral drill steel, cross type bits, drill bits, drill rod.

Tapered Button bits, Retrac Button Bits, Rock tools, Rock drilling tools, drilling bits, Coupling, Shank Adaptors, Crossover Coupling, drifting rods,