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Jentech Drilling Supply / Products / DTH Hammers & Bits / 6 Inch DTH Bits (Halco)

6 Inch DTH Bits (Halco)

Halco Drill Bits come in three different head designs: Convex – Flat Face – Concave.

 Convex-Drill-Bit2  Flat-Face-Drill-Bit2-FINAL  Concave-Drill-Bit3
Convex Face

Strong design for all conditions especially hard abrasive rock. Good balance of fast drilling and long service life.

 Flat Face

Alternative design for all rock conditions especially fractured and fissured rock and changing formations.

 Concave

Alternative design for all rock conditions, particularly deep hole drilling can improve hole alignment as a result of inverted pilot.

 

Halco 6 Overview

Diameter (Inches)  Face Design  Buttons Type  Qty & Dia  Oversize  Weight (kg) 
6 Convex Dome 16 x 16mm 23.5
6-1/2 Convex Dome 19 x 16mm 26
6-3/4 Flat Dome 19 x 16mm 26
7 Convex Dome 18 x 16mm Y 30
7-7/8 Convex Dome 20 x 16mm Y 34
8-7/8 Convex Dome 26 x 16mm Y 42
9-5/8 Convex Dome 27 x 16mm Y 49

 

DHD360 Overview

Diameter (Inches) Face Design  Buttons Type  Qty & Dia  Oversize  Weight (kg) 
6 Convex Dome 20 x 16mm 25
6 Concave Dome 17 x 16mm 25.7
6-1/2 Concave Dome 18 x 16mm 25.5
6-1/2 Convex Dome 20 x 16mm 26
6-3/4 Convex Dome 6 x 16mm / 13 x 18mm 16.16
7 Concave Dome 18 x 16mm 27.3
7-1/2 Concave Dome 24 x 16mm Y 30
7-5/8 Convex Dome 21 x 16mm Y 34.5
8 Concave Dome 31 x 16mm Y 35.2
8-5/8 Concave Dome 22 x 20mm Y 40
8-5/8 Flat Dome 15 x 18mm Y 40
9-1/2 Flat Dome 18 x 16mm / 10 x 20mm Y 50

 

QL60 Overview

Diameter (Inches)  Face Design  Buttons Type  Qty & Dia  Oversize  Weight (kg) 
6-1/8 Concave Dome 20 x 16mm 23.2
6-1/2 Concave Dome 18 x 16mm 24.4
6-1/2 Convex Dome 20 x 16mm 23.85
6-1/2 Flat Dome 22 x 18mm 23.9
6-3/4 Convex Dome 19 x 18mm 25.3
6-3/4 Concave Dome 18 x 16mm 25.1
6-3/4 Convex Dome 9 x 13mm / 19 x 18mm 25.35
7 Concave Dome 8 x 20mm / 11 x 16mm Y 26.2
7-1/2 Concave Dome 24 x 16mm Y 31.7
8 Concave Dome 31 x 16mm Y 34.1