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SPD PRODUCTS
FOUNDATION MAST ATTACHMENTS
Complete SPD rigs
Interoc
ABI Rigs
Delmag Rigs
HYDRAULIC BREAKERS
Eurodrill
Rentals
Vacant jobs
ABOUT US
CONTACT
SPD PRODUCTS
FOUNDATION MAST ATTACHMENTS
Complete SPD rigs
Interoc
ABI Rigs
Delmag Rigs
HYDRAULIC BREAKERS
Eurodrill
Rentals
Vacant jobs
ABOUT US
CONTACT
Home
Calculation tools
Calculation tools
Frequency calculator
Hammer frequency (Hz)
Crown diameter (mm)
Periferal movement
Hard mountain
Semi hard mountain
Normal mountain
Semi soft mountain
Soft mountain
Recommended rounds per minute (Rpm)
Torque calculator
Hole diameter (mm)
Drill depth (m)
Friction factor
Easy circumstances
Normal circumstances
Hard circumstances
Horisontal drilling
Recommended torque (daNm)