drill bit

1.Diamond Core Drill Bit
2.Good material,.Applied to stone
3.Seamless steel pipe makes hydraulic drills stronger and more durable

1. size: 17 1/2''
2. type: GS1906TZ
3. blade quantity: 6
4. cutter size: 19mm
5. gauge length: 85mm...

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades
5.delivery on time

1.API all size, all IADC all chinese brand
2.Large quatity in stock
3.abundant experience to export

8 Inch Step Drag Bit for Clay Layer

Bit Type
220.7" GS1604Q
IADC Code
S223
Blade...

1.Stocks adequate, time delivery
2.Cutter's quality performance is good.
3.Rich experience in drill bit.

1.Stocks adequate, time delivery
2.Cutter's quality performance is good.
3.Rich experience in drill bit.

this powerdriver drill set is a must have for you.Everything you need for your project in one case.

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades
5.delivery on time

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

1.high quality and best service
2.Strong cutting structure durability
3.steel tooth drill bit for drilling

Usage & Application:
1)For oil drilling
2)For gas drilling
3)For mining bits
4)For coal drilling...

Model NO.: TSP diamond insert diamond drill bit Type: Cylinder Tsp Material: Diamond Customized: Customized Usage: Drilling, Abrasive and Carving Kind

Power tool and Drill bit
Variable speed(0-2, 500rpm) for drilling in wide variety of materials.
Impact action for heavy-duty drilling in wood

301 PCS Drill Bit Set

NON SPARKING NON MAGNETIC BERYLLIUM COPPER TWIST DRILL BIT
They are mainly used in hazardous environment where flammable

Specifications 1>Meet with API Spec7-1 &ISO 9001:2008 2>Good quality and after-sale service 3>30 years experience in it.

Trademark: Solidkey
Packing: Plywood Box with Steel Pipe Enhanced
Standard: API
Origin: China

1. Suitable for precise centering drilling with high machining accuracy
2. Made of emery, sharp and durable

Three Blades PDC Drill Bit

all sizes and codes

 
Overburden Drill Bit overburden drilling system 70mm - 400mm OD
 
Details Des

Wireline impregnate diamond core drill bit
The impregnated diamond core bits are the most commonly useful bit

API TCI bit, higher ROP, longer use life.
high reliability and quality

 
4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
 
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 Retractable Drill Bit Tungsten Carbide And High Strength Alloy Steel R38
 

 
Dongguan Qiandao Precision Machinery Manufacture Co., Ltd is professional machinery&n

 
In order to serve our customer more fast and convenient, we have branc

Wireline Diamond Core Drilling Bits / 45mm Core Drill Bit for Granite
 
 
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