Deltana FPGM18 18" Modern Offset Surface Bolt with Offset, Heavy Duty, Solid Brass

That's exactly what the modern offset surface bolt is built for. Deltana's offset bolts mount on outside opening doors, so the offset in the bar carries the throw past the door edge and into the strike on the frame or floor. Surface mounted, so it screws to the face of the door with no mortising. Solid brass throughout.

Yes. The modern offset bolt holds one leaf shut on its own so the other leaf keeps operating on its lockset, and it's meant to add security while the other locks aren't in use. It's a manual bolt with no key, so it secures from the inside only. If you need the bolt itself keyed, the Ives SB1630 is a locking surface bolt with keyed security.

The Deltana FPGM18 is an 18-inch solid brass surface bolt in a heavy duty offset design. For an opening that has to carry a fire rating, the Ives SB1600 is a heavy duty steel surface bolt with a 3-1/2 inch throw that is fire rated, and the Ives SB360 is a heavy-duty steel surface bolt with a 1-1/4 inch throw in a 12-inch length that is also fire rated. If the opening is a rated door assembly, those steel bodies are the ones to specify; the FPGM18 is a solid brass decorative bolt.

The FPGM18 is a manually thrown 18-inch offset surface bolt in solid brass. Where the bolt needs to be secured with a key, the Ives SB1630 is a heavy duty steel locking surface bolt with a 1 inch throw and keyed security, carrying a 3-hour UL listed fire rating. The ABH HD1805 is a heavy duty surface bolt with an auto-locking 3/4 inch stainless steel bar if the requirement is that the bolt latch itself rather than be keyed.

They are not the same part even though both are brass surface bolts. The Ives SB1640 is a surface bolt with a 1 inch throw in brass construction and is fire rated. The Deltana FPGM18 is an 18-inch offset surface bolt in solid brass, sold as a commercial surface-mounted item in eight finishes. Where the drawing calls for a fire rated bolt, the SB1640 answers that call and the FPGM18 does not stand in for it; where the requirement is an 18-inch decorative brass bolt with an offset, the FPGM18 is the one.

Eight: polished brass, unlacquered brass, antique brass, oil rubbed bronze, brushed nickel, polished chrome, brushed chrome, and paint black. Unlacquered brass is the one to pick if you want the bolt to patina in with other living-finish hardware on the opening; the rest are protected finishes that hold their look.

A surface bolt like the FPGM18 screws onto the face of the door, so there's no routing and no door prep beyond drilling the strike. That makes it the retrofit answer on an existing pair or on a door you don't want to cut. A flush bolt is mortised into the edge and disappears, which looks cleaner but means machining the leaf. Since the Deltana is a modern offset design in solid brass and comes in eight finishes, it is usually chosen where the bolt is meant to be seen and matched to the rest of the trim.

Deltana rates the modern offset bolt for commercial use, and it's a heavy duty solid brass build rather than a stamped one. For high-traffic commercial openings where a brass bolt isn't the right call, the ABH HD1805 uses a 3/4 inch stainless steel bar with auto-locking, and the Ives SB360 is heavy duty steel in a 12 inch length.

Brass is the right material for weather exposure, and the FPGM18 is solid brass rather than plated pot metal, so it won't rust. The caveat is finish, not metal: unlacquered brass will darken and streak outside within a season, which some people want and some don't. Oil rubbed bronze is also a living finish that wears at the touch points. Polished chrome, brushed chrome, and brushed nickel hold their appearance the longest on an exposed door.

The FPGM18 runs 18 inches, which suits a full-height door where a long bolt plate is wanted. On a short leaf or narrow area the Emtek 8511 is a solid brass surface bolt at 6 inches. The Delaney solid brass surface bolt and the Delaney decorative solid brass surface bolt are also brass-bodied options in that family.

The FPGM18 is solid brass with an offset throw, offered in Polished Brass, Unlacquered Brass, Antique Brass, Oil Rubbed Bronze, Brushed Nickel, Polished Chrome, Brushed Chrome and Paint Black. For a matching brass appearance from another maker, the Delaney decorative solid brass surface bolt and the Emtek 8511 solid brass surface bolt are both brass-bodied. If a brass bolt is needed on a fire rated opening, the Ives SB1640 is a surface bolt with a 1 inch throw in brass construction and is fire rated.

Among the steel bolts, the Ives SB1600 throws 3-1/2 inches and the Ives SB360 throws 1-1/4 inches in a 12-inch length; the Ives SB1630 and the Ives SB1640 each throw 1 inch. The Deltana FPGM18 is an 18-inch solid brass offset bolt, so the length of the bolt body and the depth of throw are separate things to confirm against the header or threshold prep before ordering.

Mounting screws come with the bolt. What you may need on top is a strike: on an out-swing pair the bolt typically throws into the frame at the head, and into a floor strike or a drilled hole at the sill. Decide before you order whether your threshold can take a drilled hole or needs a surface strike, because that's the piece people discover on site.

Style, mostly, and how the bar sits. The Deltana FPGM18 is a modern offset design, clean lines with the bar offset off the mounting plane. The Delaney decorative solid brass surface bolt and Emtek 8511 solid brass bolt cover the traditional end of the same job, the Emtek in a 6 inch length for shorter openings, and the Trimco 4800 Series is the institutional-looking option. All of them do the same thing to the door; pick on appearance and on the length your opening needs.

The FPGM18 is the 18-inch member of Deltana's modern offset surface bolt line in solid brass, with eight finishes to match across a building. For standardizing on other lines, the Trimco 4800 Series covers surface bolts, the ABH HD1805 Series is a heavy duty bolt with an auto-locking 3/4 inch stainless steel bar, and the Ives SB1600 is heavy duty steel with a 3-1/2 inch throw and fire rated. Brass lines from Delaney include a solid brass surface bolt and a decorative solid brass surface bolt.