Self-drilling Spile
Self-drilling spiles are used in the poor geology conditions to reduce the installation time, injected with cement grout or mortar and with resin grout when very fractured geology condition.
Specification
EN 10083-3 41Cr4, Fy ≥ 600 Mpa
Safety/Quality Approval
Service load ≥ 230kN, Self-drilling bar - R32N
Service load ≥ 280kN, Self-drilling bar - R32S
Service load ≥ 400kN, Self-drilling bar - R38N
Service load ≥ 450kN, Self-drilling bar - R51L
Length 3m, 4m, 6m or connected with couplers for longer distance
Drill bit diameters
R32 rod- 51mm, 75mm
R38 rod- 75mm, 90mm, 115mm
R51 rod- 75mm, 90mm, 115mm, 130mm
Service load ≥ 280kN, Self-drilling bar - R32S
Service load ≥ 400kN, Self-drilling bar - R38N
Service load ≥ 450kN, Self-drilling bar - R51L
Length 3m, 4m, 6m or connected with couplers for longer distance
Drill bit diameters
R32 rod- 51mm, 75mm
R38 rod- 75mm, 90mm, 115mm
R51 rod- 75mm, 90mm, 115mm, 130mm