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Shandong East Machinery & Equipment Co., Ltd.
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High Productivity DTH Bits

Shandong East Machinery & Equipment Co., Ltd.
Shandong East Machinery & Equipment Co., Ltd.
City: Liaocheng
Province/State: Shandong
Tel: 86-0635-13734482764
Contact Person:
Mrs. Linda Sun

High Productivity DTH Bits

Place of Origin : China
Brand Name : EST
Certification : ISO9001
Model Number : all types
MOQ : 10pces
Price : USD10$-50$/pce(FOB Price)
Packaging Details : wooden case/ carton
Delivery Time : 10days
Payment Terms : TT/LC
Supply Ability : 5000pces/month
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Specifications

1. Excellent drilling penetration
2. Factory Pice DTH Bit
3. Strong corrosion resistance
4. Good Stability

Brief introduction

These DTH bits (down the hole button bits) are hot pressed and undergo a combination of heat treatments, thus guaranteeing the good quality and longevity. The diameters range from 60mm to 700mm.


The shanks can be Cop series, like COP32, cop34, cop44, cop54, cop64, COP84. DHD series, like DHD3.5, DHD350, DHD340, DHD360, DHD380. QL series, like QL40, QL60.QL80. SD series, SD4, SD5, SD6, SD8, CIR series, like CIR65, CIR70, CIR80, CIR 90, CIR110, CIR110W, CIR150, CIR170, CIR200W etc.


DTH BITS
For each rock a special design

TYPES OF INSERT
SPHERICAL
Is an insert with a dome in the shape of a half sphere with D/2 radius. RANGE: 7/16" - 3/4" diameter. Recommended for hard and abrasive ground.
BALLISTIC
Is an insert with a dome in a shape of a bullet. RANGE: 7/16" - 3/4" diameter. Recommended for soft and homogeneous ground where high drilling speeds are achieved.


The most important component of drilling in limestone is maintaining a high penetration rate of the drill string; due to drilling and blasting being the first step in the production process. Limestone is generally homogeneous, relatively soft, and has low

abrasion characteristics, making total footage less sought after when compared to high penetration rates. The characteristics of limestone present problems to a DTH hammer over time. Excessive wear on internal components will not necessarily prevent the hammer from operating, but it will cause the penetration rate to reduce considerably.


Model and Specifications:

Specification
DTH BitBit DiameterButtons(mm)Water HolePart No.
mminGuageFrontAngle
Matched:CIR80,CIR90,QCIV-90
DTH Hammer
803 3/20"6*124*1240°3DSL-B11
903 35/64"6*144*1240°3DSL-B12
903 35/64"6*144*1240°3DSL-B13
903 35/64"6*144*1240°3DSL-B14
953 45/64"6*144*1240°3DSL-B15
Matched:CIR100,CIR110,J100
DTH Hammer
1054 9/64"6*146*1240°2DSL-B16
1104 21/64"6*146*1240°2DSL-B17
1154 17/32"6*147*1440°2DSL-B18
1255"6*167*1440°2DSL-B19
Matched:CIR150,CIR170
DTH Hammer
1506"8*1611*1445°3DSL-B20
1756 57/64"15*169*1445°3DSL-B21
Matched:DHD340A
DTH Hammer
1054 9/64"7*146*1340°2DSL-B22
1054 9/64"8*147*1240°2DSL-B23
1154 31/64"8*146*1440°2DSL-B24
Matched:DHD360
DTH Hammer
1656 1/2"8*1610*1640°2


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