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34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling

China 34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling, Find details about China Button Bit, Drill Bit from 34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling

Model NO.
34mm button bit
Tooth No.
7 Buttons
Head Dia.
34mm
Degree
7, 11, 12 Degree Could Be Customized
Colour
Golden, Red, Black Could Be Customzide
Package
50PCS in a Wooden Box
Weight
16-22kg/Box
Button Material
ZK05 hard alloy
Trademark
NONE
Transport Package
Plywood Case
Specification
34mm, 7 tooth
Origin
China
HS Code
8207199000
Model NO.
34mm button bit
Tooth No.
7 Buttons
Head Dia.
34mm
Degree
7, 11, 12 Degree Could Be Customized
Colour
Golden, Red, Black Could Be Customzide
Package
50PCS in a Wooden Box
Weight
16-22kg/Box
Button Material
ZK05 hard alloy
Trademark
NONE
Transport Package
Plywood Case
Specification
34mm, 7 tooth
Origin
China
HS Code
8207199000

34mm 7 tooth button bit

The selection of button bit is quite concerning with the rock condtion. If you don't know how to choose an applicable button bit, we strongely suggest you study the rock conditon first.
Below is the rock hardness grade list for your reference.

Rock GradeHardness LevelTypical RockF gradeApplicable                    button bit
IThe hardestthe hardest and compact quartz, basalt and other special hard rocksf=20The best quality
IIstrong hardvery hard granite&quartz porphyry&siliceous schist, hard quartz,  the hardest sandstone &limenstone rock f=15The best or                 high end quality
IIIvery hardcompact granite, very hard sandstone&limestone, quartz vein, hard conglomerate, very hard iron oref=10High end or Normal
IIIavery hardhard sandstone, limestone, marble,  dolomite,  pyrite ore, not hard granitef=8Normal 
IVhardnormal sandstone, iron oref=6Normal 
IVahardSandy shale, shaly sandstonef=5Normal 
Vmiddel hardhard pelitopsammite, not hard sandstone and limestone, soft  conglomeratef=4Normal 


Product Description

We can also design all kinds of Alloy Bore Bit according to your requirements.

Tapered Button bit connection: 

 Drill bit diameter    Taper(°)   
(mm)(in)
281  3/326,7
301  3/166,7
321 1/46,7,11,12
341 11/326,7,11,12
351  3/86,7,11,12
361 13/326,7,11,12
381  1/26,7,11,12
401  9/166,7,11,12
411 5/86,7,11,12
421 21/326,7,11,12
431 11/166,7,11,12
451 3/46,7,11,12
501 31/326,7,11,12
602 3/86,7,11,12
 
Thread button bit connection:
Drill bit diameterThread standard
(mm)(in)
351  3/8R22 R25 
361 13/32R22 R25 R28
381  1/2R22 R25 R28 R32
431 11/16 R25 R28 R32
451 3/4 R25 R28 R32
481  7/8R32
512R32
642  1/2R38 T38
763R38 T38 T45
893  1/2R38 T38 T45 T51
1024T45 T51 ST58 SD60
1154  1/2T51 ST58 SD60
1275T51 ST58 SD60
1405  1/2T51 ST58 SD60
1526T51 ST58 SD60

  we can guarantee all our product:

(1) Direct factory wholesale price, price is cheaper than trading companies.

(2) Strict Quality Control Department, each piece bit need to be checked.

(3) Accept custom order. can special make for you.

(4)  Focus on the quality.We seek long-term interest.

(5)Welcome small orders, our Min Quantity Order is 1 piece.

(6) All bit are made by skilled workers and advanced technology, we have more than 20 years' experiences, so you must be satisfied with our super quality.
34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling34mm 12 Degree Tapered 7 Tooth Button Bit for Rock DrillingOur products for other clients34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling
34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling
Match with B22 drill rod
34mm 12 Degree Tapered 7 Tooth Button Bit for Rock Drilling

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