Profile: Padley & Venables Ltd. manufactures hand tools for rock drilling, quarrying, mining, tunneling, construction, civil engineering and demolition industries. Rock drilling accessories include integral drill steels, taper drive rods & bits, shank adapters, couplings, extension drill rods, tunneling & drifting equipment, male/female speedrods, reaming equipment and bits. Our shank adapters fit all types of drilling machines, both pneumatic and hydraulic. Shanks are available with most types of popular international thread forms.