Marks Ornamental Iron Security Storm Door Parts
6 subcategories — 50 SKUs
OEM replacement parts for Marks ornamental iron security and storm doors. Stock cylinders, locks, knobs, and trim components for key-above, key-below, gate, and slimline security door models. Trade-only supplier.
Marks Cylinders, Thumbturns & Rings
Marks Turnpiece for Single Cylinder Conversion
F Function Turnpiece Kit for W22AC/3 - Brass
Marks Mortise Cylinder, 15/16 length
Marks 15/16" Mortise Cylinder, Threaded Kwikset Key
Marks Cylinder Trim Ring
Marks Cylinder Trim Ring, - Polished Brass
Marks Cylinder Trim Ring - Satin Chrome
Marks Thumb Turn, Round with 1-1/8 Spindle - Brass
Marks Euro SlimLine Double key Profile Cylinder, Kwikset
Marks Euro Slimline Profile Cylinder w/ Thumb, Kwikset key
Marks Euro Slim Line Profile Cylinder, SC1 key
Marks 1/16" plastic cylinder spacer, Black
Marks 1/8" Brass cylinder spacer
Mortise Cam - Standard Type #1
Mortise Cam only, #5, Marks Lock Cylinders
Marks Replacement, 15/16 inch Mortise Cylinder
Thumb Turn, Mortise Cylinder, 15/16 length, Marks Cam
Marks Polished Brass Mortise Cylinder Set Screw - Pair
Marks Gate Locks
Marks Key Above Security Doors Locks
Mortise Lock Set, Replacement for Marks 22AC - Brass, LH / RHR
Mortise Lock Set, Replacement for Marks 22AC - Brass, RH / LHR
Lock Case, Marks Mortise, 90 Series RH / LHR
Lock Case, Marks Mortise, 90 Series LH / RHR
Lock Case, Marks 9000 Series Mortise, LH / RHR, 5/16 Spindle
Lock Case, Marks 9000 Mortise, RH / LHR, 5/16 Spindle
Marks New Yorker Entrance Handle Set, Right Hand/Left Hand Reverse
Marks Metro Mortise Entry Handle set, Left Hand shown - Polished Brass
Marks Key Below Security Doors Locks
Marks Series 21 Unilock Full Dummy Trim Set
Marks Series 21 Unilock Active Entrance Lockset with 1" x 7-1/8" Lock Faceplate - Right Hand Reverse
Marks Series 21 Unilock Active Entrance Lockset with 1" x 7-1/8" Lock Faceplate - Left Hand Reverse
Marks Series 9215 Unilock Entrance Lockset - 1" x 7-1/8" Lock Face - Right Hand Reverse
Marks Series 9215 Unilock Entrance Lockset - 1" x 7-1/8" Lock Face - Left Hand Reverse
Marks Series 22 Entrance Lockset - 1" x 7-1/8" Lock Face - Right Hand Reverse
Marks Series 22 Entrance Lockset - 1" x 7-1/8" Lock Face - Left Hand Reverse
Marks 2 piece screw with stud post for Unilock Escutcheon Plate
Marks Series 9215 Unilock Full Dummy Trim Set
Marks Knobs and Trim
Marks Flat Strike Plate, 1-1/8 x 4-3/4
Trim Only - Marks Uni-lock Replacement Knobs with trim plates - Polished Brass
Trim Only - Marks Uni-lock Replacement Knobs with Trim Plates
Marks Knobs only, Replacement for 22AC, Pair
Marks Knobs only, Replacement for 22AC, Pair - Brushed Chrome
Trim Only - Marks Knobs, Replacement for 22AC, Pair - Pol. Brass
Marks Unilever Lock Plate Assembly, with Levers attached
Marks Swivel Spindle, Split Shaft, 1/4 x 4-3/4 Threaded
Marks Slimline Security Doors Locks
Marks Security Door Hardware by Type and Installation Location
Marks ornamental iron security doors require precision-fit hardware for proper operation and security function. Replacement parts span multiple lock types—gate locks, key-above mechanisms, key-below configurations, and slimline designs—each with distinct cylinder, thumbturn, and trim geometries. Correct part identification by door model and hardware location prevents costly field callbacks.
OEM-Matched Cylinders, Locks, and Trim for Each Marks Security Door Style
Marks security door hardware varies significantly by model line. Key-above locks position the cylinder above the handle; key-below models reverse this layout. Gate locks and slimline variants use different strike and latch geometry. Match your existing door model, measure cylinder bore diameter, and verify lock body type before ordering replacement cylinders, thumbturns, or complete trim kits.
Specification Verification: Cylinder Bore, Strike Compatibility, and Hand Orientation
Marks ornamental iron doors mount hardware to cast or welded frames requiring exact bore sizing. Confirm cylinder length (typically 30–45mm), keyway profile, and whether your application is key-above or key-below before selection. Verify strike-keeper alignment with existing latch—replacement strikes must match original cutout dimensions to avoid re-routing.
Trade Volume Ordering and Technical Support for Ornamental Iron Installations
Contractors and facility managers servicing Marks security doors can order cylinders, locks, and trim in bulk for multi-unit installations. Our 50-SKU catalog covers common replacement scenarios. For field troubleshooting or custom keying, contact our trade desk with door model, lock type, and current hardware specs for expedited identification.