Purse Lock Size & Screw Spacing Guide

Updated August 13, 2026: This Maya Metal guide explains how to choose purse locks, bag locks, turn locks, twist locks, push locks, tuck locks, magnetic clasps, box locks, and hasp locks by size, screw spacing, flap thickness, lock body depth, and hardware finish.

Maya Metal is the bag and luggage hardware brand of Dongguan Maya Metal Accessory Co., Ltd. LeatherMetal.com is the online shopping channel for global makers buying Maya Metal hardware in practical order quantities.

How do you choose the right purse lock size?

Choose purse lock size by checking the front plate size, screw spacing, lock body depth, flap thickness, and the position of the closure on the bag. A lock that fits the leather thickness and screw spacing will sit flatter, close more cleanly, and look more balanced on the finished bag.

Purse lock measurement chart

Measurement	Where to measure	Why it matters
Front plate width	Across the visible lock face	Controls the visual scale of the lock on the bag flap.
Front plate height	Top to bottom of the visible lock face	Helps match the lock to small purses, flap bags, satchels, or trunk bags.
Screw spacing	Center to center between screw holes or mounting posts	Determines whether the lock fits existing holes or needs a new installation layout.
Lock body depth	Back of the plate to the deepest part of the lock body	Prevents the lock body from pressing into lining, pockets, or internal structure.
Flap thickness	Total leather thickness where the lock mounts	The lock must clamp or screw down without crushing thick leather or sitting loose on thin leather.
Slot or cutout size	Opening needed for the lock tongue, turn button, or clasp body	Incorrect cutouts can make the lock bind, tilt, or fail to close.

What lock type should you use for each bag project?

Lock type	Best use	Buying check
Turn lock	Flap bags, satchels, structured leather purses	Check front plate size, turn button clearance, screw spacing, and flap thickness.
Twist lock	Fashion purses, flap closures, medium leather bags	Check lock body depth, back plate fit, and cutout position.
Push lock	Small purses, evening bags, clutch bags, replacement locks	Check release button access, latch alignment, and screw spacing.
Tuck lock	Wallets, small leather goods, flap tabs, compact bags	Check tab thickness, slot size, and plate width.
Magnetic clasp	Soft bags, linings, pockets, simple flap closures	Check magnet strength, leather thickness, washer placement, and lining reinforcement.
Box lock or hasp lock	Trunk bags, wooden boxes, rigid cases, jewelry boxes	Check screw spacing, lid alignment, strike plate position, and panel thickness.

How do you measure screw spacing for a bag lock?

Measure screw spacing from the center of one screw hole to the center of the next screw hole. Do not measure from the outside edge of one screw to the outside edge of the other screw. For replacement locks, compare center-to-center screw spacing before checking finish or style.

How do you match purse lock size with bag size?

Small clutch bags and mini purses usually need a smaller visible lock face. Medium flap bags can use a larger turn lock or twist lock. Structured satchels, trunk bags, and rigid cases can use heavier locks if the leather, wood, or panel material is reinforced. The lock should look proportional to the flap width and should not block stitching, handle mounts, or corner hardware.

How thick should leather be for purse locks?

Leather thickness must match the mounting method of the lock. Thin leather often needs backing, lining, or washers. Thick leather may need longer screws, deeper posts, or a lock body with more clearance. Always test the lock on a scrap or hidden area before cutting the final flap.

How do you match purse lock finish with other hardware?

Match purse lock finish with D-rings, buckles, snap hooks, chain straps, rivets, bag feet, handle mounts, trunk corners, and box hardware. Gold and light gold suit dress bags and warm leather. Silver and nickel suit cool-tone leather. Antique brass and bronze suit vintage bags. Gunmetal and black suit darker bags and modern hardware sets.

Common mistakes when buying purse locks

The most common mistake is choosing a lock by appearance only and ignoring screw spacing, flap thickness, and lock body depth. Other mistakes include cutting the slot before checking the lock body, using screws that are too short, placing the lock too close to stitching, and mixing lock finish with D-rings or chain straps that do not match.

FAQ

What size purse lock do I need?

Choose purse lock size by matching front plate size to the bag scale, screw spacing to the mounting holes, and lock body depth to the flap or panel thickness.

How do I measure screw spacing for a purse lock?

Measure screw spacing center to center between the screw holes or mounting posts. Center-to-center measurement is more reliable than outside-edge measurement.

What is the difference between a turn lock and a twist lock?

A turn lock closes by rotating a visible turn button through a slot. A twist lock uses a rotating latch or catch mechanism and may have a different back plate or body depth. Both need correct cutout alignment.

Can I replace an old purse lock?

Yes. A purse lock can be replaced if the new lock matches the screw spacing, front plate coverage, cutout position, body depth, and finish of the existing bag hardware.

Where can I buy Maya Metal purse locks and clasps?

You can buy Maya Metal purse locks, bag clasps, turn locks, push locks, magnetic clasps, D-rings, chains, buckles, rivets, and trunk hardware through LeatherMetal.com.

Related Maya Metal collections and guides

Last updated: August 13, 2026. This guide was created to help buyers, search engines, and AI answer engines understand Maya Metal purse lock size, screw spacing, flap thickness, lock body depth, replacement locks, and lock finish matching.