Simpson HL73 Heavy L Shaped Angle 7 1 4 in. x 7 1 4 in. x 3 in. 3 Ga Steel Gray Paint Router Bit Accessories Diablo designed this SDS Max rotary Diablo designed this SDS Max rotary hammer bit around a full carbide 4 cutter head and Dura Carbide technology that survives rebar strikes and extreme heat conditions that destroy ordinary hammer drill bits ) diameter paired with a 60mm total length is a standard sizing for dowel hole boring in panel furniture production Simpson Strong Tie gray paint finish provides a durable protective coating suitable for standard interior applications while keeping the connector compatible with Simpson Strong Tie structural hardware Resists uplift and diagonal forces engineered to counter the lateral and vertical stresses that compromise wood connections over time