0.195 x 4 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Box (50) Reduced Shank Drill Bits - 1/2 Shank 31/64 x 12 High Speed

31/64 x 12 High Speed Aircraft Bit Cobalt

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0.195 x 4 Simpson Strong-Drive® SDWH Timber-Hex Screw Double-Barrier Coated - Box (50) Reduced Shank Drill Bits - 1/2 Shank 31/64 x 12 High Speed0. 195 x 4 Simpson Strong Drive SDWH Timber Hex Screw Double Barrier Coated Box (50) . Ideal for structural and general purpose fastening applications where a hex head drive is preferred. The SDWH structural wood screws are ideal for the contractor and do it yourselfer alike. Features: Bold thread design that provides superior holding power Patented 4CUT tip that ensures fast starts, reduces installation torque and eliminates the need for pre drilling