Drilling Tools I

Drive-drilling
DescriptionLength max.
mm		Drive shoe
mm		Percussion bit dia mmCasing crown dia mm
76.176.1 x 300076.180 x 76.180 x 76.1
88.988.9 x 300088.995 x 88.995 x 88.9
101.6101.6 x 3000101.6107 x 101.6107 x 101.6
108108 x 3000108115 x 108115 x 108
114.3114.3 x 3000114.3120 x 114.3120 x 114.3
133133 x 3000133140 x 133140 x 133
152.4152.4 x 300152.4160 x 152.4160 x 152.4
177.8177.8 x 3000177.8185 x 177 x 8185 x 152.4
Rotary-drilling
DescriptionLength max.
mm		Drive shoe
mm		Percussion bit dia mmCasing crown dia mm
101.6101.6 x 200063.5 x 2000107 x 101.675 x 63.5
108108 x 200063.5 x 2000115 x 10875 x 63.5
114.3114.3 x 200063.5 x 2000120 x 114.385 x 23/8"
133133 x 200076.1 x 2000140 x 133108 x 23/8"
152.4152.4 x 2000101.6 x 2000160 x 152.4120 x 23/8"
177.8177.8 x 2000114.3 x 2000185 x 177.8152 x 31/2"
193.7193.7 x 2000114.3 x 2000200 x 191160 x 31/2"
203.2203.2 x 2000114.3 x 2000210 x 203170 x 31/2"
219.1219.1 x 2000133 x 2000225 x 219.1185 x 41/2"
Overburden-drilling with hydraulic hammer
DescriptionExt. tube length
max. mm		CouplingNipple for ext.
tube mm		Casing crown dia
max. mm		Percussion bit
dia mm
88.988.9 x 3000T38-100 x 88.960 x T38
101.6101.6 x 3000T38-115 x 101.670 x T38
114.3114.3 x 3000T45-125 x 114.382 x T45
133133 x 3000T45-155 x 133105 x T45
152.4152.4 x 3000-101.6165 x 152.4120 x 101.6
177.8177.8 x 3000-114.3190 x 177.8140 x 114.3
Double-head-drilling
DescriptionExt. tube length
max. mm		CouplingNipple for ext.
tube mm		Casing crown dia
max. mm		Percussion bit
dia mm
88.988.9 x 2000T38-100 x 88.960 x T38
101.6101.6 x 2000T38-115 x 101.670 x T38
108108 x 2000T45-120 x 10878 x T45
114.3114.3 x 2000T45-125 x 114.382 x T45
133133 x 2000T45-145 x 133105 x T45
152.4152.4 x 2000-101.6165 x 152.4120 x 101.6
177.8177.8 x 2000-114.3190 x 177.8140 x 114.3

We reserve the right to change technical specifications without prior notice.