Simpson 1/2 inch Dome Washer with 1 inch Pin GW100-R100 Ejector Key The #3 Square drive type

The #3 Square drive type is specified to match the screw head geometry - using an incorrect bit type can lead to cam-out

Anchor Diameter : 3/8"

and OSB panels

The GW75-R200 features a 3/4" pin length with a pin diameter of

What driver bit is recommended for installing this screw

Simpson 1/2 inch Dome Washer with 1 inch Pin GW100-R100 Ejector Key The #3 Square drive typeThe Simpson Strong Tie GW100 R100 is a gas actuated 1 2" dome washer pin engineered to securely fasten building components to concrete. Combining a 1 2" dome washer with a 1" pin, this fastener is purpose built for high volume applications and is compatible with common powder actuated tools making it equally effective when fastening into harder substrates such as structural steel or extra hard concrete. Finished in zinc plated carbon steel, the GW100