CraftNest Guide

Leather Hardware: Choose Snaps or Chicago Screws for Thick Leather, Straps, or Mixed Projects

Compare four leather hardware choices: defined Line 24 and Line 20 snaps, brass-plated Chicago screws, and a mixed snap kit. Match the fastening format to leather thickness, project type, or assortment needs.

Last updated Aug 25, 2026

Choosing among leather hardware, patterns & care can feel complicated when the real decision is simple: do you need a defined snap format, threaded hardware, or an assortment for several project types? A thick leather panel, a strap or bag, and a mixed craft project can call for different fastener styles. The useful shortcut is to match the hardware method first, then compare post format, size, finish, and listed price.

Quick take

Start with the fastening method. Black Line 24 and Black Line 20 are defined snap lines; the Chicago screw lot is threaded hardware; and the mixed kit combines several snap diameters, colors, and tools. Choose a specific snap line when the build already has a clear format, Chicago screws when the threaded center is part of the plan, or the mixed kit when flexibility matters more than a single finish or diameter.

Listed-price comparison

The four listed prices span a $45.56 absolute spread. Price alone does not determine fit: the two Springfield Leather Company snap lines sit at the same listed price, while the screw lot and mixed kit use different fastening formats.

ChoiceListed pricePrice bar
Black Line 24 Snaps - 5/16-inch Post & 19/32-inch CapUSD 55.95
Black Line 20 Snaps - Regular & Short PostsUSD 55.95
100 Brass-Plated Chicago Screws - 3/8-inchUSD 25.00
Leather Snap Fasteners Kit - 10/12/15mm, 4 ToolsUSD 10.39

Decision matrix

  • Defined heavy-duty snap format: Black Line 24 Snaps is the focused choice for the thicker-leather range named with its post specification.
  • Defined medium-duty snap format: Black Line 20 Snaps suits belts, straps, bags, holsters, and everyday leatherwork, with regular and short posts.
  • Threaded hardware: The 100 Brass-Plated Chicago Screws are the relevant format when a threaded hole is wanted instead of a press stud.
  • Mixed snap assortment: The Leather Snap Fasteners Kit is the practical route for multiple listed diameters, four colors, and installation tools.

Product notes

Black Line 24 Snaps - 5/16-inch Post & 19/32-inch Cap

Black Line 24 Snaps 5/16" Post & 19/32" Cap - Leathercraft Hardware - SLC

Black Line 24 is the focused choice for a thicker-leather snap job. The Line 24 format pairs with a 5/16-inch post and is matched to 8-10 oz leather, or 3.18-3.96 mm. The 100-pack gives the project a defined quantity, while the black-line name keeps the hardware choice specific. Its limitation is the focused configuration: one Line 24 format and one listed post length are less useful when a project needs several snap diameters or colors. If you want a broader assortment or the shorter Line 20 format, the Leather Snap Fasteners Kit or Black Line 20 is more closely aligned.

Black Line 20 Snaps - Regular & Short Posts

Black Line 20 Snaps - Regular & Short Posts - Leathercraft Hardware - SLC

Black Line 20 is a practical choice for belts, straps, bags, holsters, and everyday leatherwork. The regular 3/16-inch post is matched to 5-7 oz leather, while the short 1/8-inch post is matched to 4-5 oz leather. That gives the 100-pack two listed post lengths within one snap line. Its limitation is the Line 20-centered specification: a project calling specifically for the Line 24, 5/16-inch-post format belongs with Black Line 24 instead. Choose Black Line 20 when its regular or short post matches the build, rather than when you need the other named snap format.

100 Brass-Plated Chicago Screws - 3/8-inch

Leather Hardware - LOT Of 100 BRASS PLATED Chicago Screws - 3/8

The 100 Brass-Plated Chicago Screws are the clear route when the project calls for Chicago screws rather than snaps. The lot contains 100 brass-plated pieces, with a 3/8-inch post, a 7/16-inch cap diameter, and a threaded hole in the center. Those details identify the fastening method before you choose. The limitation is the format: it is screw hardware, not a press-stud kit, and the listed size is 3/8 inch. A snap-focused bag, garment, or craft project should move to one of the snap choices instead of treating the screw lot as an interchangeable fastener.

Leather Snap Fasteners Kit - 10/12/15mm, 4 Tools

Leather Snap Fasteners Kit 10/12/15mm Brass Button Snaps Press Studs With 4 Tool

The Leather Snap Fasteners Kit is the choice for an assortment rather than a single defined snap line. It combines 10mm, 12mm, and 15mm types with bronze, silver, grey, and golden colors, and the package includes four tools. The buttons are brass and the tools are stainless steel. Its limitation is the mixed-lot format: the sizes and finishes are varied, so it is less targeted than Black Line 24 or Black Line 20 when a project already calls for one named snap line and post format. Choose it for leather, canvas, bags, jackets, or similar craft projects.

Final recommendation by use case

  • For thicker leather: Choose Black Line 24 Snaps because its 5/16-inch post is explicitly matched to the 8-10 oz range.
  • For straps, bags, belts, or holsters: Choose Black Line 20 Snaps because the named uses and two post lengths cover the listed everyday leatherwork applications.
  • For threaded construction: Choose the 100 Brass-Plated Chicago Screws because the threaded center and Chicago screw format are central to the choice.
  • For mixed snap projects: Choose the Leather Snap Fasteners Kit because it brings multiple diameters, four colors, and tools together at the lowest listed price.
Products in this article
Black Line 24 Snaps 5/16" Post & 19/32" CapUSD 55.95View on eBayBlack Line 20 SnapsUSD 55.95View on eBayLeather Hardware - LOT Of 100 BRASS PLATED Chicago Screws - 3/8USD 25.00View on eBayLeather Snap Fasteners Kit 10/12/15mm Brass Button Snaps Press StudsUSD 10.39View on eBay
Black Line 24 Snaps 5/16" Post & 19/32" CapUSD 55.95View on eBayBlack Line 20 SnapsUSD 55.95View on eBayLeather Hardware - LOT Of 100 BRASS PLATED Chicago Screws - 3/8USD 25.00View on eBayLeather Snap Fasteners Kit 10/12/15mm Brass Button Snaps Press StudsUSD 10.39View on eBay

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