{"product_id":"1-4-spiral-flute-hand-expansion-reamer_dwrrhdes1-4","title":"1\/4\" Spiral Flute Hand Expansion Reamer | HSS | DWRRHDES1\/4","description":"\u003cdiv\u003eIndustrial bore finishing tools for precision hole sizing in metalworking and fabrication environments. This specification sheet details a 0.25 inch diameter spiral flute hand expansion reamer crafted from High Speed Steel for manual operation and reliable final bore quality. \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e Diameter: 0.25 inches\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDrive type:\u003c\/b\u003e Manual\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMaterial grade:\u003c\/b\u003e High Speed Steel (HSS)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSpiral flute design:\u003c\/b\u003e Improves chip clearance, reduces clogging, and yields a smoother bore finish; enhances hole roundness during hand reaming.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eManual control:\u003c\/b\u003e Allows operator tactile feedback for precise diameter attainment and alignment when finishing bushings, dowel holes, or bearing bores.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eTool material:\u003c\/b\u003e High Speed Steel provides wear resistance and temperature tolerance under conventional reaming cuts with appropriate lubrication.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplications:\u003c\/b\u003e Finishing and aligning holes for bushings, shafts, and dowel pins in machine frames, fixtures, and automotive assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOperational guidance:\u003c\/b\u003e Use cutting fluid or oil to minimize heat buildup; apply steady, light cutting action; clean swarf after use to preserve edge geometry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":53059046998295,"sku":"DWRRHDES1\/4","price":101.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/Group_10.webp?v=1778202979","url":"https:\/\/mutualscrew.com\/products\/1-4-spiral-flute-hand-expansion-reamer_dwrrhdes1-4","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}