{"product_id":"16mm-extra-long-sintered-diamond-drill-bit-60mm-depth-10mm-shank-1pc","title":"16mm Extra Long Sintered Straight Shank Diamond Drill Bit, 1pc – 60mm Depth 10mm Shank for Jade Glass \u0026 Stone","description":"\u003cp\u003eThe HANS 16mm Extra Long Sintered Diamond Straight Shank Drill Bit is engineered for deep core drilling and precision hole making in hard, brittle lapidary materials such as jade, glass, crystal, agate, quartz, and stone. Featuring a 60mm working depth and a full sintered metal-bonded diamond crown, it delivers consistent abrasive performance and extended service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProduct Type: Diamond Drill Bit\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 16 mm\u003c\/li\u003e\n\u003cli\u003eEffective Drilling Depth: 60 mm\u003c\/li\u003e\n\u003cli\u003eShank Diameter: 10 mm Straight Shank\u003c\/li\u003e\n\u003cli\u003eBond Type: Sintered Diamond (Continuous multi-layer metal bond)\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 Piece\u003c\/li\u003e\n\u003cli\u003eRecommended Materials: Jade, jadeite, glass, crystal, agate, quartz, ceramic, and hard gemstones\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOperating Guidelines:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBegin drilling at an approximate 45-degree angle to establish an initial crescent guide groove, then gradually upright the drill to 90 degrees for perpendicular drilling.\u003c\/li\u003e\n\u003cli\u003eContinuous water cooling is strictly required throughout operation to prevent thermal damage and flush slurry.\u003c\/li\u003e\n\u003cli\u003eApply light, steady feed pressure and use periodic retract motions to clear cuttings from deep holes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"flexiblediamondabrasive","offers":[{"title":"Default Title","offer_id":54283777310904,"sku":null,"price":102.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/ExtraLongSinteredDiamondStraightShankDrillBitforJadeGlassandStone.png?v=1791772653","url":"https:\/\/lapidarygrinder.com\/en-mx\/products\/16mm-extra-long-sintered-diamond-drill-bit-60mm-depth-10mm-shank-1pc","provider":"hanslapidarytool","version":"1.0","type":"link"}