Sargent Lock Rekeying Nationwide | Novak Lock & Security Atlanta

Sargent Lock Rekeying: The Atlanta Owner’s Guide

We rekey Sargent cylinders same day across Atlanta, typically running $85-$145 per cylinder for residential Grade 2 hardware and $120-$195 for commercial Grade 1 leversets, quoted in writing before we dispatch. Most Sargent rekeys in Midtown, Buckhead, and Decatur are completed in 20-40 minutes on site, with new keys cut and tested in every position. Homeowners usually discover a problem when a key sticks at 10 o’clock, a tenant turns in a copy they can’t account for, or the cylinder spins freely without retracting the latch.

Call (470) 944-6813

Which Sargent Models This Applies To

Sargent manufactures several distinct product families, and the rekeying approach differs by series. We regularly work on the 6300 line (tubular deadbolts common in 1990s-2010s Atlanta infill construction), the 10-line and 11-line cylindrical leversets (standard in commercial buildings near Georgia Tech and the CDC corridor), and the BHW series (residential deadbolts found in Grant Park and East Atlanta renovations). The 8200 mortise locks appear in older commercial stock downtown and require a different keyway blank than the RB-series rim cylinders used on many glass-aluminum entry doors.

To identify your model, check the latch face for a stamped series number, or remove the interior trim to find the label inside the chassis. The keyway profile matters: Sargent LA, LB, and LD keyways use different blank geometries, and swapping between them requires a full cylinder replacement, not just repinning. We stock OEM Sargent pinning kits and also carry Lab and HPC aftermarket equivalents that meet original tolerances. For master-keyed systems in multi-tenant properties, we match the existing bitting list rather than replace the hierarchy.

Signs Your Sargent Lock Rekeying Is Failing

• Key rotates without retracting the latch. The tailpiece has sheared or the cam has worn past its engagement shoulder. We find this most often in 6300 deadbolts after 12-15 years of use, especially where doors have shifted in Atlanta’s clay-heavy soil and the bolt scrapes the strike.
• Key requires jiggling or repeated insertion to find the shear line. Pin chambers have worn oversize from grit and humidity, or a prior rekey used standard pins where nickel-silver was specified. The cylinder tolerances open up, and the key no longer presents a clean shear surface.
• Key works in one direction only. A single pin is stuck high or low, usually from a broken spring or debris in that chamber. In commercial Sargent leversets near Hartsfield-Jackson, we see this after construction dust settles into keyways during tenant buildouts.
• Difficulty removing the key in the locked or unlocked position. The plug has shifted axially due to worn thrust washers, or the cam/tailpiece binding has transferred torque back into the plug. Left unaddressed, this cracks the plug retainer.
• You cannot account for all copies after a move, termination, or roommate departure. This is not a mechanical failure but a security gap. Sargent’s standard 6-pin system offers 4,096 theoretical combinations; rekeying closes the exposure without replacing functional hardware.

Replacement Cost & What’s Included

The range reflects cylinder accessibility (exposed rim cylinders vs. mortise cases requiring trim removal), pin count (5-pin vs. 6-pin), and whether the existing pinning is standard or security. We quote the full price on the phone; Haven Standard Clause 1 prohibits our technician from changing it at your door. Every rekey includes a documented photo record and carries the 365-Day Done Right Promise.

DIY or Call Us?

An owner can safely verify the symptoms: insert the key and note whether resistance is consistent across all six pin positions, check that the door hangs square in the frame, and confirm the strike plate hasn’t shifted. Do not attempt to remove a Sargent cylinder without first locating the retaining screw or clip; the 10-line and 11-line series use different clip geometries, and forcing the wrong tool cracks the housing.

Rekeying itself requires a pinning kit with Sargent-specific .115″ diameter pins, a plug follower sized to the cylinder bore, and a key gauge to verify cut depths. The springs are under light compression but small enough to launch across a room. More critically, a mis-pinned cylinder will accept the key but fail to shear at the correct line, leaving you with hardware that feels functional but isn’t secure. We stock Sargent pinning kits on every truck and have handled the LA/LB/LD keyway distinctions for years. Call (470) 944-6813 for a written quote.

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