TIMCO Window Fabrication Screws Friction Stay Shallow Pan Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 19 Fine Cut Blades Use with the SDS Max

Use with the SDS Max shank tool for heavy duty breaking of concrete

chamfering or de-burring in alloy and non-alloy materials

S2 Steel is premium quality alloy steel for exceptional strength and durability compared with standard chrome vanadium driver bits

enlarging or de-burring a precise hole into thin materials such as alloy and non-alloy metals up to a thickness of 4mm

A single flute countersink designed for cleaning

TIMCO Window Fabrication Screws Friction Stay Shallow Pan Countersunk PH Self-Tapping Self-Drilling Point Zinc - 3.9 x 19 Fine Cut Blades Use with the SDS MaxFor attaching friction stays with countersunk holes to steel reinforced PVCu frames.