{"product_id":"cutting-broaches-set-12-stubs-0-4mm-4-5mm","title":"Set of 12 Cutting Broaches-Sizes Range-0.4mm to 4.5mm","description":"\u003cp\u003eThis set of 12 five-sided cutting broaches covers a wide diameter range, making it an essential tool for jewelers, watchmakers, and clockmakers who need to cut, clean, and finish holes with precision. Made of high-quality steel and uniformly tempered for extended tool life, these broaches are sized according to the English Stubs grading system — a traditional measuring standard originating in England and widely referenced in watch and clock making.\u003c\/p\u003e\n\n\u003cp\u003eThe set spans from the smallest broach (Stubs #70), which tapers from 0.4 mm at the tip to 0.7 mm at the handle, up to the largest (Stubs #15), which ranges from 3.3 mm to 4.5 mm. Overall lengths range from 66 mm (2-5\/8\") for the smallest to 150 mm (5-7\/8\") for the largest. These broaches are sold as a set only and are not available individually.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFive-sided cutting profile for precise hole cutting, cleaning, and finishing\u003c\/li\u003e\n\u003cli\u003eMade of high-quality steel, uniformly tempered for long service life\u003c\/li\u003e\n\u003cli\u003eSet of 12 broaches covering diameters from 0.4 mm to 4.5 mm\u003c\/li\u003e\n\u003cli\u003eSized using the traditional English Stubs grading system\u003c\/li\u003e\n\u003cli\u003eLengths vary by size: 66 mm (2-5\/8\") for smallest to 150 mm (5-7\/8\") for largest\u003c\/li\u003e\n\u003cli\u003eSold as a complete set — not available individually\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\u003eProfile\u003c\/th\u003e\n\u003ctd\u003eFive-sided (cutting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter Range (tip to handle)\u003c\/th\u003e\n\u003ctd\u003e0.4 mm – 4.5 mm\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\u003eSizing System\u003c\/th\u003e\n\u003ctd\u003eEnglish Stubs (originated in England)\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\u003eStubs #70 — 0.4 mm to 0.7 mm\u003c\/li\u003e\n\u003cli\u003eStubs #64 — 0.5 mm to 0.9 mm\u003c\/li\u003e\n\u003cli\u003eStubs #60 — 0.7 mm to 1.0 mm\u003c\/li\u003e\n\u003cli\u003eStubs #55 — 0.8 mm to 1.3 mm\u003c\/li\u003e\n\u003cli\u003eStubs #53 — 1.0 mm to 1.5 mm\u003c\/li\u003e\n\u003cli\u003eStubs #49 — 1.2 mm to 1.8 mm\u003c\/li\u003e\n\u003cli\u003eStubs #46 — 1.4 mm to 2.0 mm\u003c\/li\u003e\n\u003cli\u003eStubs #44 — 1.6 mm to 2.2 mm\u003c\/li\u003e\n\u003cli\u003eStubs #36 — 2.0 mm to 2.7 mm\u003c\/li\u003e\n\u003cli\u003eStubs #31 — 2.2 mm to 3.0 mm\u003c\/li\u003e\n\u003cli\u003eStubs #28 — 2.6 mm to 3.5 mm\u003c\/li\u003e\n\u003cli\u003eStubs #15 — 3.3 mm to 4.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThese broaches follow the English Pattern Broach design and use the Stubs sizing system — a grading standard originating from screw plate markings by Peter Stubs of Warrington, Lancashire, a well-known maker of watch and clockmaking tools active in the early 1800s. This set is sold as a complete unit; individual broaches from this set are not available for separate purchase.\u003c\/p\u003e","brand":"Grobet USA","offers":[{"title":"Default Title","offer_id":43581054517462,"sku":"115.500","price":64.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/set-of-12-cutting-broaches-sizes-range-0-4mm-to-4-5mm-otto-frei.jpg?v=1719957764","url":"https:\/\/www.ottofrei.com\/products\/cutting-broaches-set-12-stubs-0-4mm-4-5mm","provider":"Otto Frei","version":"1.0","type":"link"}