{"product_id":"brunner-lay-t51-drop-centre-bits","title":"Brunner \u0026 Lay T51 Drop Centre Bits","description":"\u003cp\u003eDrop centre bits for T51 drill strings. A drop centre drills straighter holes in medium to hard rock. Diameters from 3-1\/2 in (89 mm) to 5-1\/2 in (140 mm). Hemispherical carbide.\u003c\/p\u003e","brand":"Brunner \u0026 Lay","offers":[{"title":"3-1\/2 in (89 mm)","offer_id":67689544089852,"sku":"S3551D0","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4 in (102 mm)","offer_id":67689544122620,"sku":"S4051D0","price":0.0,"currency_code":"USD","in_stock":true},{"title":"4-1\/2 in (115 mm)","offer_id":67689544155388,"sku":"S4551D0","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5 in (127 mm)","offer_id":67689544188156,"sku":"S5051D0","price":0.0,"currency_code":"USD","in_stock":true},{"title":"5-1\/2 in (140 mm)","offer_id":67689544220924,"sku":"S5551D0","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/9030\/2460\/files\/thb-bl-t51-d0_7380e6de-4c37-46e5-b7c8-561823199292.jpg?v=1791835183","url":"https:\/\/frankdrill.com\/products\/brunner-lay-t51-drop-centre-bits","provider":"FrankDrill","version":"1.0","type":"link"}