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DTH bit SD 8 Mach 80 QL 80 dhd380 dth hammer Atlas Copco Drilling Hammers, Rock

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DTH bit SD 8 Mach 80 QL 80 dhd380 dth hammer Atlas Copco Drilling Hammers, Rock

Brand Name : Legend Drill
Model Number : DHD 350 5 inch
Certification : SGS
Place of Origin : China
MOQ : 1 piece
Price : Negotiable
Payment Terms : T/T west union L/C, D/P, D/A, Western Union, MoneyGram
Supply Ability : 5000 pieces per month
Delivery Time : 10-15 days
Packaging Details : wood package
brand : legend drill
Air Pressure : 10-25 Bar
Shank : Br,Cop, DHD,SD,QL,Mission, Numa
Material : Carbon Steel Or Tci Or Diamond
Face Shape : Flat, Convex, Concave
Shank design : COP 80 , DHD 380A
Buttons : 10x15,8 mm (5/8")
Flushing grooves : 2 grooves
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DTH bit SD 8 Mach 80 QL 80 dhd380 dth hammer Atlas Copco Drilling Hammers, Rock Drill Bits, Rock Drill


Applications:


Body wash

RECOMMENDED ACTION

(1).Check to ensure that maximum available

flushing is employed. If bailing appears

to be inadequate, try cleaning holes

thoroughly after drilling each steel length.

Continued drilling with poor bailing will

wear bit bodies excessively


(2)Do not use new bits in these

applications. Use bits approaching the

end of their usable life. Bits with missing

buttons unsuitable for regular drilling can

still be suitable for soft or broken ground

conditions


5.Shattered buttons
(1)90% of all button failures are the direct
result of continuing to drill with excessive
wear flats on the buttons! Remove and
service bits once the wear flat on any
button reaches 1/3 of the face button
diameter. Restore the button profile and
protrusion as recommended in the bit
sharpening guide before continuing use

(2)Even new buttons will break when
encountering foreign material like stuck
steel, bits, rebar or any other metals
trapped in the rock
(3) Over drilling in soft non-abrasive
material leaves a shiny surface on the
buttons. Under magnification, a network of
microscopic cracks can typically be found.
Regularly inspect the bits and re-profile the
buttons to remove these cracks from the
surface of the carbides once the skin on the
carbides starts to show


Feature Advantage:


High air pressure bit speed and deep depth, it can be used for drilling more complex materials. It can choose higher cutting speed, can drill harder materials, multi-layer geometric cutting end edge, improve drainage performance and maintain small cutting resistance. In addition to the commonly used right angle handles, it is available in a variety of shank types, suitable for a variety of drilling rigs, drilling machines. A high-performance alloy blade for alloy drills is selected to effectively reduce the chipping and maintain good wear resistance.


Insufficient Cleaning Of The Well Bore And Excessive Abrasiveness Often Present Re-Drilling Problems That Can Cause Deformation Around The Venting Holes And Grooves.


Therefore, It Should Be Ground To Ensure That The Air Can Slam The Debris In The Drill. Severe Erosion Of The Bit Body And Energy Generated By The Piston Striking The Bit Will Cause The Alloy


Specifications:


DiameterFace TypeButtons x Dia (Inch)Flushing
Holes
Weight Approx.
MmInchOuterInnerFrontKgs.Lbs.
1505 7/8Concave8 x 5/8”4 x 5/8”4 x 5/8”224.554
1526Concave8 x 5/8”4 x 5/8”4 x 5/8”224.554
1526Concave8 x 5/8”8 x 5/8”224.554
1566.125Concave8 x 5/8”4 x 5/8”4 x 5/8”224.554
1566 1/8Flat Face8 x 5/8”8 x 5/8”224.554
1596 1/4Concave8 x 5/8”4 x 5/8”4 x 5/8”22555

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