TIMCO Window Fabrication Screws Countersunk with Ribs PH Single Thread Gimlet Tip Stainless Steel - 4.3 x 25 Box OF 1000 - 204SS Writing Instruments Max in Concrete (TCT bit):

Max in Concrete (TCT bit): 18mm

This 3 Piece Gorilla Bar® Set contains the following:

The Irwin Phillips Impact Screwdriving Bits are specifically engineered for use in high torque Impact Drivers

you can be sure of top quality output from LBP214dw

TIMCO Window Fabrication Screws Countersunk with Ribs PH Single Thread Gimlet Tip Stainless Steel - 4.3 x 25 Box OF 1000 - 204SS Writing Instruments Max in Concrete (TCT bit):Box of 1000 Size 4. 3 x 25TIMCO Window Fabrication Screws Countersunk with Ribs PH Single Thread Gimlet Tip Stainless Steel 4. 3 x 25 Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present. Stainless steel should be used where there is a corrosive environment. Countersunk head with ribs under head for improved countersinking. PVC Window Screw RIB CSK S S