{"product_id":"round-smoothing-broaches-set-12-stubs-0-68mm-4-5mm","title":"Set of 12 Round Smoothing Broaches-Size Range-0.68mm to 4.5mm","description":"\u003cp\u003eThis set of 12 round smoothing broaches covers a size range of 0.68 mm – 4.5 mm, giving jewelers, watchmakers, and metalsmiths a comprehensive selection for cleaning and finishing holes in metalwork. Made of high-quality steel and uniformly tempered, these broaches are built for consistent performance and long service life.\u003c\/p\u003e\n\n\u003cp\u003eThese are English Pattern Broaches, sized according to the Stubs grading system — a measuring standard originating in England. The Stubs numbers correspond to markings from an English screw plate created by Peter Stubs of Warrington, Lancashire, a renowned maker of watch and clockmaking tools in the early 1800s. This system remains widely used in professional watchmaking and jewelry trades.\u003c\/p\u003e\n\n\u003cp\u003ePlease note: these broaches are sold as a set only and are not available for individual purchase.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 12 round smoothing broaches in graduated sizes\u003c\/li\u003e\n\u003cli\u003eMade of high-quality steel, uniformly tempered for extended durability\u003c\/li\u003e\n\u003cli\u003eEnglish Pattern design using the Stubs sizing grading system\u003c\/li\u003e\n\u003cli\u003eSuitable for cleaning and finishing holes in jewelry and watch components\u003c\/li\u003e\n\u003cli\u003eLength varies by size: from 66 mm (2-5\/8\") for the smallest (Stubs #70) to 150 mm (5-7\/8\") for the largest (Stubs #15)\u003c\/li\u003e\n\u003cli\u003eNot available individually — sold as a complete set only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSet Quantity\u003c\/th\u003e\n\u003ctd\u003e12 broaches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e0.68 mm – 4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSizing System\u003c\/th\u003e\n\u003ctd\u003eStubs (English Pattern)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStubs Size Range\u003c\/th\u003e\n\u003ctd\u003e#15 (largest) – #70 (smallest)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e66 mm (2-5\/8\") – 150 mm (5-7\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHigh-quality steel, uniformly tempered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePattern\u003c\/th\u003e\n\u003ctd\u003eEnglish Pattern (round smoothing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12 round smoothing broaches, size range 0.68 mm – 4.5 mm (Stubs #70 – #15)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grobet USA","offers":[{"title":"Default Title","offer_id":43581059334358,"sku":"115.513","price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/set-of-12-round-smoothing-broaches-size-range-0-68mm-to-4-5mm-otto-frei.jpg?v=1719957762","url":"https:\/\/www.ottofrei.com\/products\/round-smoothing-broaches-set-12-stubs-0-68mm-4-5mm","provider":"Otto Frei","version":"1.0","type":"link"}