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LEGEND DRILL THE MOST COMPREHENSIVE DRILLING TOOLS SUPPLIER IN THE WORLD
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3 inch cop34 dth hammer atlas copco rock drill bit cemented carbide dth button

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3 inch cop34 dth hammer atlas copco rock drill bit cemented carbide dth button

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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3 inch cop34 dth hammer atlas copco rock drill bit cemented carbide dth button bits


Applications:


1)Jerky rotation and stalling indicates
obstructions in the hole. Do not force bits
if this occurs. Retract the string until free
rotation is restored. Then advance slowly
with moderate rotations until obstacle
is passed or removed. If this fails, use
scrapped bits, a smaller diameter bit or
grind down the gauge buttons of the bit to
reduce the diameter sufficiently to pass or
remove the obstruction
(2)First, ensure mast is secure. Start collar
then full pressure once bit is embedded
300 mm (12.0”) in the rock
(3) Protrusions greater than 3/4 of the
button diameter will not provide sufficient
support to resist the tensile forces that the
buttons may encounter
(4)The bit body temperature during
drilling can reach 200° C (392° F) reducing
retention force significantly


Feature Advantage:


The most of popular DTH drill bit brand is Sandvik DTH Tools and Atlas Copco Secoroc.Most of client are using their Drill Rig. It’s easy to understand that why Sandvik and Atlas.
Sandvik
Atlas
DTH hammer
What diameter of drill bit your needs ?

3 inch 3 1/2 inch 4 1/2 inch 4 5/16 inch 5inch 6 inch 8 inch 8 1/2 inch

What is type of bit shank ?

COP32 COP34 DHD340A DHD350R DHD360 DHD380 QL40 QL50 QL60 QL80
Which type of drill bit face ?
Convex face Flat face Concave face


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

Product photos :



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