8 Inch DTH Bits

QL80_Overview
QL80
Minimum Hole Size: 7.875″
Number of Splines: 16
Height of Foot Valve Above Strike Face: 2.000″
Length of Shank: 13.05″
Bearing Surface Diameter: 4.640″
Mincon DTH Hammer: MP80
DHD380_Overview
DHD380
Minimum Hole Size: 7.875″
Number of Splines: 10
Height of Foot Valve Above Strike Face: 1.950″
Length of Shank: 13.780″
Bearing Surface Diameter: N/A
Mincon DTH Hammer: 8DH
SD8_Overview
SD8
Minimum Hole Size: 7.875″
Number of Splines: 8
Height of Foot Valve Above Strike Face: 2.250″
Length of Shank: 12.66″
Bearing Surface Diameter: N/A
Mincon DTH Hammer: 8DHSD