{"product_id":"chicago-screw-rivet-bolt-leather-bag-belt-photo-album-4-50mm","title":"Chicago Screw Rivet Bolt for Leather Bag Belt Strap Photo Album Scrapbook — Space 4–50mm","description":"\u003ch2\u003eChicago Screw Rivet Bolt for Leather Bag, Belt Strap, Photo Album \u0026amp; Scrapbook — Space 4–50mm\u003c\/h2\u003e\u003cp\u003eChicago screws (also known as binding posts, sex bolts, or barrel bolts) for leather goods, bookbinding, photo albums, and scrapbooks. The two-part male-female design allows tool-free assembly and disassembly — ideal for projects requiring occasional access to bound materials. Available in multiple finishes to match leather goods and craft projects.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eChicago screw \/ binding post \/ sex bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpacing Range\u003c\/th\u003e\n\u003ctd\u003e4mm – 50mm (barrel length)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eSlotted flat head (male screw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass \/ Steel \/ Zinc Alloy (per finish variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish Options\u003c\/th\u003e\n\u003ctd\u003eGold, Silver, Antique Brass, Bronze, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAssembly\u003c\/th\u003e\n\u003ctd\u003eTool-free hand tighten (or flat-head screwdriver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose Chicago Screws?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable and reusable\u003c\/strong\u003e — unscrew to access bound materials; rescrew to close; no permanent deformation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide spacing range\u003c\/strong\u003e — 4–50mm covers thin leather straps to thick photo albums and scrapbooks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple finishes\u003c\/strong\u003e — gold, silver, antique brass, bronze, and black to match leather goods and craft aesthetics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free assembly\u003c\/strong\u003e — hand-tighten for quick assembly; flat-head screwdriver for secure tightening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean appearance\u003c\/strong\u003e — flat head sits flush; no exposed nut or washer\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLeather bag and handbag strap attachment\u003c\/li\u003e\n\u003cli\u003eBelt and leather goods binding\u003c\/li\u003e\n\u003cli\u003ePhoto album and scrapbook binding\u003c\/li\u003e\n\u003cli\u003eMenu cover and presentation folder binding\u003c\/li\u003e\n\u003cli\u003eLeather journal and notebook binding\u003c\/li\u003e\n\u003cli\u003eDIY leatherwork and craft projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between Chicago screws and rivets?\u003c\/strong\u003e\u003cbr\u003eA: Chicago screws are removable — the male screw can be unscrewed from the female barrel for access. Rivets are permanent — once set, they cannot be removed without drilling out. Choose Chicago screws for projects requiring occasional disassembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I choose the right spacing length?\u003c\/strong\u003e\u003cbr\u003eA: Measure the total thickness of the materials being bound. The barrel length should equal or slightly exceed the material thickness. For example, 3mm leather + 2mm leather = 5mm total; choose a 5–6mm barrel length.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eChicago screw rivet bolts (quantity, spacing length, and finish per selected variant)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"black \/ 10pcs 5x4mm","offer_id":46885364334827,"sku":"14:366#black;5:202191809#30pcs 5x4mm","price":6.38,"currency_code":"USD","in_stock":true},{"title":"black \/ 10pcs 5x5mm","offer_id":46885364302059,"sku":"14:366#black;5:202191810#30pcs 5x5mm","price":3.7,"currency_code":"USD","in_stock":true},{"title":"black \/ 10pcs 5x6mm","offer_id":46885364400363,"sku":"14:366#black;5:202191811#30pcs 5x6mm","price":5.22,"currency_code":"USD","in_stock":true},{"title":"black \/ 10pcs 5x8mm","offer_id":46885364367595,"sku":"14:366#black;5:202191812#30pcs 5x8mm","price":5.4,"currency_code":"USD","in_stock":true},{"title":"black \/ 10pcs 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